ISD


 
    !"#
  
  
 
 ! 
 " 
!##! 
  $
%! & '%

(%

) $
* & '%

(%

) $
+ +  ') $
 ,  ') $
,-  ') .
/"/ &&! 0  ' ) .
1"+  '%2).
').
 "  '  2) .
# *   '*) .
!  ' 0) .
!  ' ) 3
4 -  '56) 3
- & '7/) 3
4  '05 ) 3
&&  & '4 4) 8
  8
   9
: ; &&! ! 9
;  -& 9
$;0& 9
. ; &&! ! 9
3 ; &1 &&! 9
8;
/1 1 9
9 ; &/<  9
  '0) =
') =
  '0) =
*  &! & >
:::  <? >
1"+ >
&/<  >
! >


Voice Solutions in Silicon™
* *   @
?   % AB %*   0 '6* )  .
?   % AB %*   0 ')  =
5  @
0B/<0  * *   $$
B?    $.
* 2   $@

ISD
 !"
2! C $8.$3:3>93 1 & $
2! $C  @
2! .C ,- @
2! 3C $8::  4#;&! # >
2! 8C $8.$3:3>93  4#; $8:: " $:
2! 9C $8.$3:3>93  4#;&/< $:
2! =C &/<   $$
2! >C &/<  ,- $$
2! @C $>/ >4.3## &  #  -! ')  ') $.
2! :C $>/ :9::/ &   -! ') ') $3
2! C $>/ :.::/ & #  !  ') ') $8
2! $C .$/ >4$:## &  #  -! ')  ') $9
2! .C $8.$3:3>93 & <! &  '0-! ) $=
 C  !  '

) .
 $C  B# & .
 .C ,  '

).
 3C & , .
 8C  !  '

) =
 9C  B# & =
 =C ,  '

)=
 >C & , =
, C 4 - # & 3
, $C  & 8
, .C  2 & 9
, 3C ,& 4## !& '-! &) :
, 8C ! & '-! &) :
, 9C  #& '-! &) :
, =C  #& '-! &) 
, >C ,& 4## !& ')  3
, @C ! & ') 3
,:C #&') 3
,C #&')8
, $C  4#;<& 1 >
, .C  4#;&&1 # 2& @
, 3C  4#;&/<  $
, 8C  4#;&&1 # 2& $
, 9C &/< #& $
, =C &  #  -! ') ') #&& $.
, >C &   -! ') ') #&& $3
, @C & #  ! ') ') #&& $8
, $:C &  #  -! ') ') #&& $9
, $C $8.$3:3>93 &  &!( + &   'D#) $>
i
ISD—APRI L 1998

Sin
g
le-Chip Voice Record/Playback Devices
32-, 40-, 48-, and 64-Second Durations
!"
"# ! 1&E $8:: /

& 1& !/F( &!/
,- && " .$/ 93/&
#&&!! &   1& /
  / &( # #/
"( # ! ( &! "(
&#! "( &- #"(  ! /
& #/1 &!  (
$8:: & # #,( +!
#4 #&&!!  &&! ,
1
!&  & / 1
## &( 1! G/+ #&&!
&! & F( &!/ & & #
&&, ! E&  #1 &!
! %   &!& &
  ##    "#( 1!
!/F( &/& 1 
Figure i: ISD2532/40/48/64 Device Block Diagram

ii
Voice Solutions in Silicon

&//& &!/ 1 ,-
&
B!/F(  1 
 &+  # #,
,-  , !/  1/1
!/ & " .$( 3:( 3>( 93 &&
 &, " ! &
# +/+ '&/, #)
,  D ')
H/+ #&&! &!
#& , ,- &
2 &&,  #
#&&!&
::/ #&&!  ')
::(:::  & ')
/ - &
!## & " / &
! 78 1 + &
1,   "#( (  
-!!
& # 'I3:J  7>8J)
1&& 1,
Table i: ISD2532/40/48/64 Product Summary
Part
Number Duration
(Seconds) Input Sample
Rate (KHz) T ypical Filter Pass Band
(KHz)
  
  
  
  

1
Voice Solutions in Silicon
!"
"#!$
$8:: && & 1& ""  3:(
8.( 93(  >: 6BG &#! "F&( +/
!  &  " & F &
&!   +  && /
&&  &#! "F  ,+(
+ ""& & F & "
$8.$3:3>93 ## ,  !


# " && ,   &
& &#&  &   /
 1 ## +  !G
#&& && + &&
 ! &! 1& 1 ( 
&!  " 1( #&( &(
& ""& 1, + #& &/
& ! &&
"
#  &&# F#&( $8.$
3:3>93 & "" &!/ &&  .$(
3:( 3>(  93 && & # & , &/
 ! " ! & 2 !
 $8:: & &  &
K$89:=8@:$: &L
"%"
 "  ,"& " E&  /
! &  & " / 1 ##( /
1! G/+ #&&! &! 
#&&! &  " :: & 
+ +  ( 1 , /
  1 ::(::: #&
%"""!!
   & &# & " &(
$8:: && &  "& &/
& " #/1 &
&&   & , " 
# # "#
1 " &-&( ! #&&! &&#,(
#&&! ( " "4 #&/
&! &!#(  #&&! #!/
#
"%%
 $8:: && & & " ,-/
&( + &! # #&&!&
 " ! ,&( &+&(  #/
  & #&&! "!/
 & ( &  & ,
! 1   !##

2
Voice Solutions in Silicon
"
&"!'&

&

(
##G &(  !  ! &
 $8:: && 1& & & +
,&&& & 1! ,&&&  ,! 
& & & ,  ! &
& & & &&, ( &
&& & ,  & &
-! & &&,
"'&

&

(
$8:: && " 1& G& & /
!  ! ! ,&&& & & &
,  & ! +/#/
  + & !
")")'(
A  ! ! ,-( 
& ,  B*B     1
+ + # '&

&") A
1"+ '%2) && A "  1"+ /
(  & , ,! B*B  & /
&& ,-   ,!! "  
,- &    &  "/
   9 '&/<)  
&,      &
 !'(
 & - A  , ,-
  &  && & 
,-  ')  ,  "/
! ! " &  "
9 '&/<)   /
&,     &
Figure 1: ISD2532/40/48/64 Device Pinouts

3
ISD
!$ *"'(
  &  , "! ! "
  B*B 1 && ,- 
+ A 1 &&   2
 ( && & 1  &/
! && ! & 
 &  B*B 1"+ &  '
& ") A   & #
, !    B*B(  /"/ &&!
') #- & &   &&
## 2 ,- (  && &
1 &! &&  1 +
    #- &   /
1   &   #- /
 ( " & A &&
# ' ! 8 " #  &)
+"+%"'"%(
1 #- & # &
 "  #&&! #&
  #&&! &  1  
 && A "  "

 
"  #&&!
 (  $8:: && &   %

  # #&&! !
& %

" ,+ .8 %  & &( 
!& A  1 & "4  ,-/
#
A 1 & "! 
 9 '&/< )( &  1&
1/B*B 0 &!( !  1 &
 ! ! & &!  /
1 1   " 1&  "
 ,-  &&
"&!")"'"&(
& &! && A   " ##
&( !  1 & , " 
#&&! & 1"+  %2 
 "+&     & & &
1 & , & &
&1 $8:: 1& ! &
,- &
%""'%(
 #  &"& & &!  /
 #"  / # *
 '*)  & ! " &
#" "# I8 $3 < 4 #/
 & ,   &  1 &/
&    1( ! +
 : 6
&& & ( /
#&  +/"F "" "  $8:: &/
& &&,  E&  "#
"  "# +/"F ""

%""'%(
  2  &  1!  #/
 #" & 1& &//
! ##/# M 
1 +  "" #/

"%""!'(
 * # M&&  ! "
#" #& "  + ! "
#  1&  * +&  "
! " +&& &&  , 
+ ## & K-L # & /
# ,  # & " 8 6
 /
&&  4  '$
&# ! >)  "#  *
  %

! !  K&L # &
# , # & "  4
&& '$)   4  '$) /
  ,+  *   %

! ! # 1& " 3=: 6

3= D2 !1 &&" &&  #& &&
!""'"(
&  1& #"    &/
  1! ! "  #" & /
# , 1! 1  * 

4
Voice Solutions in Silicon
!"'(
!   &"& & &!  
" ! 2 # &(   0
& ,  1 4 /
    &  1( !/
 + .: 6
 # "  ( &
&  !1  ""  +/"/
F "  1 &&, " &
 & 1 "# &   #/
( &!  , "( 1 /
(     
,!!"*',!*(
4 -  "  $8:: 1&
&   /+ 1 & 1&
"!  " +  &#/
! - "F   N  "
&"  "F &  #
1 " N$$8  1   #/
# #  ! 1! !/
&   - & N8  
1  & #  1!
! ! + & & ##/
 " & # ! & " !/
 & & F(  1  ,
- !  56  & "+&C
& ## - & & ,
1 ,& &!  &#! "&
 "4(  &! ,#&  "
&# ""& "#  ##
     - &  ( &
- & ## 1 , +
 
       
 
*"'-+(
 1& $8:: && /
"" &- 1( , " 1!
8: #A  9
"# 05 '$$ #A "#
##)
 &- &   %

1& !
  + +  & " &&/
,  &- & " # $8::
1&   & "  &- 1&
NOTE
     
    
&!  # , &  '!
!  ,+    
&-) & & # , & 1
+  &! - "#   0&!
"" & && 3#1/
#   +
NOTE
     

,!$',(
 4 & #4 !
 #"  &-  & +
& B*B(  & B*B(  ,- & 
1 "  1 & ,- 1"+
A &! # $8:: 1&(
05  & &  ,- &!
"# "+! 1  1& 
&- 1& 2 & &&(  & &!/
!&   4  , 1 +
&!  & 1
Table 1: External Clock Sample Rates
Part
Number Sample Rate Required Clock
    
    
    
    

5
ISD
%"',%,(
 &&  & 1 + "& /
!  1 "  + & !"
<& ' <) " && '=  >)
"   , "  + <&  A( &
   & && ,&   & &
& && "     /
,-   && &  &  
    && "# &
 !&&& && &  
,  "! ! " 
" , <&  B*B(  &&  &
  & ,& !  /
 ,  ! 8  &4 /
 #& ' : 9) 1, &
  , & &&,  & #
 #& &#& 
&  &#  "! ! " (
 &  &   &&/
!  # 4&1
""!%"
 $8:: && & &! + &1 ,/
 &  1 #4## "/
 + ###  #&
& &,  ,+  /
 & & && &   $8::
1&( , # & 1 /
&& ! A  + & !" <&
' <) B*B '=  >)( #! /
&& &!&  & # ,&  
& && ,& "(  &
  &&! #, 
 , & &#&
  + # && " &!
 & 2&(  & ,! 
 && :( + & ,!! "
$8:: && &  &  ,/
!   && &( ! 
 '&) &  (  /
&&  & & : + 1 &
! "#  ,-( ,- 
 '4 9 #)( + +/+
 & 4
(  &  4 +
 !& A  + <&  B*B & /
  #&  ""  4
A/!!  &!(  +   
&&  1&  &#  4

          
Table 2: Operational Modes
Mode Control Function Typical Use Jointly Co mp a tible(1)
   !"!# $! $ % & &
' () %!*! +  () %!*! $ # $ '
% & & &
, --'.' /!0# ,12
3 - 4   -'5.* ! % 2##! & &
4 0 ##! / !#1-'5 %'-' 0 % & &
 4( '0'0# 2'' " % - & & &
+$. ! ' %-'# #0 ! & &

6
Voice Solutions in Silicon
""!%""
 &  , & M /
 + #(  , /
+ 1 & &&# 
%.%
&&! ! +& & &- !
#&&!&( + -+!  &
&&& " #&&!   A &
&&   &&  &- 
4 #&&! & # & , & " /
,- (  &  & + 3 /

%/.!"%%*
 +& &F /
 #&&!& , #,  &!
#&&! +    #- & 
" " #&&! A & 
& "!( #&&!&  &F
 ,- & & #&&!
%.
A  & &( $
& , A
%.%!""
.   +& " #/
( &  ,- "  #&/
&!   ,!! "  &&
& #&&!  # " 
$8:: 1  + "# ,!!
 + %2 !! A
%."&
! # &(  &&  +
& + #&&! &  ! 
 #-  3  ,&
&&  & ( +! #&/
&!& , ,- &1
%.+!&!&
 " # " $8:: 1& & " 
, !/1 ,- 1/1/
  8   &&
 ,  & 1/1 &
& !/1 ! ,- &
& &" &" " #! ,- /
& &!   &!
 & #(  A ,!& ,- (
,!! " 1 ##  /
,- & & ! & &  A
A !& B*B( ,- + ##
 +  A + &  #&&! "#
,!! && 3 & & B*B
%.+ "%"
 $8:: && " 1&  &/</
   &/<  &
& # 1 +/& &  &
&! ##G 4   #/
&( , ! &&# &   
"! 1  &/< 
( + #& &!" && ,& #&
, B*B(  9 #  #& & ,
B*B 1  & # +& +& +
   "  ,-    "
 !& B*B
A &  # & ##(
&1 " & 1 1 
"C
Table 3: Alternate Functionality in Pins
Pin Name Alternate Functionality in
Push-Button Mode
4( !1+ +$6 
73)8 -'0#9
+ -1/ +$6
7: -' 0#9
() 20: / # !

7
ISD
'(
 &/<  (  & &
A/!! &/1 0 &! "
  &  !&&( A/!!
& & &! +  ,-
  ! 1  
&,&F &    ( ,"  
&   ,-  1"+ 
&( + &  1  &  /
&&  & &(   &
+ &  1  
"# + +& &
'"(
 &/,  ( & &
B*B/!! &/1  &!
A ,-  & !&&
 B*B/!! & & ,&1 (
  & #   && /
 & & && :(  ,!! "  #&/
&! &
"%'(
 &/<  (  ,#&
 1/B*B 0 &! +  , & 
1   4 1  & B*B
+1   ,-  &
!&&
  
1.
  & , A( & &!
/+ &&
2.
  & - A
3.
   & & A ! &&(
 !& B*B   
!&&
4.
   & & A ! &/
&(  !& ,- A   /
&& &  ( , 
#- & & ## 
#&&!     # , -
B*B & #  &,&F  +
& ,-  && :
5.
   & & A ! &&
  4 && " 1& &
 #-  !& ,- B*B
NOTE
     
   ! " #
    
$
6.
A ! &F&  "&(
"  & A +  &
 ( 1! &  #-
#&&!  ! # & ,
# , B*B 1 ( +
+ 1 &  #-
 !  
1.
  & , A
2.
  & - B*B
3.
   & & A ,- &&(
 !& B*B   
!&&
4.
"   & & A    #-/
 &  !  (
 + &   && /
&   (  !& ,-
A   # , !  &
# &,&F  
+  & && & 
! + ,! + ,-

5.
 & ! & A ,- &&
+ " ""( +  !! B*B /
   !&&
6.
,- & &  && 3 8
& & B*B 1"+ &
7.
"  1"+( !  A + &
&&   & ,- "#
,!! " &(   &
&  && :
NOTE
%&#   #   &
 !  '   (

8
Voice Solutions in Silicon
"""
 &  1 !/F &!/
1 !  ,- &&#&  &
!& F 1 ( & #/
  !  &! & 
+ & ! , "+
  "# " &
/"% !$
$8:: && " 1& & &! /
1 + #, +  ::: "#/
 A &!! + $8:: &&(
"+! ""& & , 
 $8.$3:3>93 1& 1 $896 &!
& &!  1 .$ && " &!
&#! " >: 6BG & & +
# " &! "  ::: "#  /
,  &# &&! &(  /
 &&  & , &&
& "  1 & 1&,  .$: /
#& + 1 &&! "# :: .2 B4
"&!")
::: && #, + "&
 C /"/#&&!  
1"+  $8:: && & + "/
&  $8 ' -!) #& &  ( ,
&    &!   $$
' -!) ,#& %2  && A
 +  1 & & " ##(
 & K"L & ! +& & #&&! /
!  &&, && 1 ,&
& & #& $ 
"  ::: "# & ##
 $8:: &&
+ "%"
 $8:: && &   /
    &/<  & /
1&  1 "  
,- "& "      &
,# " & !/1 K&/,/
&L &   & ( " !/
! !( &&    +
&!  &&  '(  &
") &&    &&
&&   ,!! "  #&/
&! & '(   & ") /
(    "& & 1/
B*B (   , & 1 
 !   ,- &
!&& 1 &  &/<
, &
!""%"
 $8:: &&   + #&&! 
# "& ## &
NOTE
)  *+,-'' 
   .
   *+ ) 
  #
9

ISD
%%
Figure 2: Record
Figure 3: Playback

10
Voice Solutions in Silicon

     
      
     
      


 


!

!



!

!

Table 4: Absolute Maximum Ratings
(Packa
g
ed Parts)(1)
Condition Value
;  %-!! <4
 ! %-!! ! =<4 ><4
? ' --'#  5 - 7?

= ?9
7?

>  ?9
? ' --'#  5 -
7- !! '%# @ %29 7?

= ?9
7?

>  ?9
3# %-!! 7 '#! =
  #9 <4
?

=?

= ? > ?
Table 5: Operating Conditions
(Packa
g
ed Parts)
Condition Value
4 %%!' -!
%-!! !

<4  ><4
#!' -!
%-!! !

=<4  ><4
--'5 0 ' 7?

9

> ? > ?
:! # 0 ' 7?

9

?
Table 6: DC Parameters (Packa
g
ed Parts)
Symbol Parameters Min(2) Typ(1) Max(2) Units Conditions
?

- 3 " ? '  ?
?

- $ ? '  ?
?

)- 3 " ? '  ?

A  %2
?

)- $ ? ' ?

=  ?

A = B2
?

)? )- $ ? '  ?

A = %2
?

() )- $ ? ' ?

=  ?

=  ?

A = %2

?

4!! 7)-!9   %2 /

A


?

4!! 7#.59 B2


- 3* 4!! @ B2

- 4!! : "1+''
 "  B2  ! ?
 
/

)- 3 # %-# 
-*! 3 #
/

+!%-  - / 
4 # 4 /( +
/

2CD ,+CE /  
/

2,2 , - / 
2

+!%- :    #6 2:4 A  ?
11

ISD

"  # "
! $%&  %'

( )     *   + ,   
-''  




 

./0  
2

+!%- : = #6 2:4 A  ?
2

2CD ,1+> :   ?1?
2

2,2 ,  +>1= :    #6
/

2:4 )- /  
Table 7: AC Parameters (Packa
g
ed Parts)
Symbol Characteristic Min(2) Typ (1) Max(2) Units Conditions
%-' !F5 
















'! + 6# 











#6 / '') + 
 
#6 / '') + 
 
#6 / '') + 
 
#6 / '') + 
 
E

/ !# !  











E

















E

4( +' 8#$  
E

4 ! '12##! - E%  
E

4 ! '12##!  '# E% 
E

+ "!C- '5 







%
%
%
%
E

+ +' 8#$ 7! !#9 







%
%
%
%
Table 6: DC Parameters (Packa
g
ed Parts)
Symbol Parameters Min(2) Typ(1) Max(2) Units Conditions
12

Voice Solutions in Silicon™

"  # "
! $%&  %'

( )     *    + ,   
-''  

/12        3 4 *5

 (6. ,7  (,( ,    %'  18  4

! -$$ 98 

9 %- 0
  (,( ,

"

 2   8  

 2  : *      ;$$%    
     ;%        
 8   :  + 3 4 *5

           "8   8 
< =      
E

+ +' 8#$ 7-'59 







%
%
%
%
E

+ +' 8#$ 79  

E

+ "! "  '# 
E

() +' 8#$ 







%
%
%
%
E
 
)0!' " +' 8#$  B
E E ' !%   ! G H 
+

-*! )- + "!  %8 /

A

?

? ' 2!  -*! +  ? -=- /

A 
?

4 - ? '  %? +* +*
!
?

2,2 , - ? ' %? +* +*
?

2I - ? '  ? +* +*J
/

A
Table 7: AC Parameters (Packa
g
ed Parts)
Symbol Characteristic Min(2) Typ (1) Max(2) Units Conditions

13
ISD
$!%&")&"!%
Chart 1: Record Mode Operating Current
(ICC)
Chart 2: Total Harmonic Distortion
Chart 3: Standby Current (ISB)
Chart 4: Oscillator Stability
 ? '  ? '





  
  
 
 ? '  ? '








  
 
 ? '
 ? '






$8
=:
>8
  
 
? '
? '
$8
=:
>8







  
 

14
Voice Solutions in Silicon

     
      
     
      



!

!



!

!

Table 8: Absolute Maximum Ratings
(Die)(1)
Condition Value
;  %-!! <4
 ! %-!! ! =<4 ><4
? ' --'# 5 -# 7?

=?9
7?

>  ?9
? ' --'# 5 -#
7- !! '%# >  %29 7?

=?9
7?

>  ?9
?

=?

= ? > ?
Table 9: Operating Conditions
(Die)
Condition Value
4 %%!' -!
%-!! ! < 4 ><4
--'5 0 ' 7?

9

> ? > ?
:! # 0 ' 7?

9

?
Table 10: DC Parameters (Die)
Symbol Parameters Min(2) Typ(1) Max(2) Units Conditions
?

- 3 " ? ' ?
?

- $ ? ' ?
?

)- 3 " ? ' ?

A  %2
?

)- $ ? ' ?

= ?

A = B2
?

)? )- $ ? ' ?

A = %2
?

() )- $ ? ' ?

= ?

=  ?

A=%2

?

4!! 7)-!9   %2 /

A


?

4!! 7#.59 B2


- 3* 4!! @ B2

- 4!! : "1+''
 "  B2  ! ?
 
/

)- 3 # %-# 
-*! 3 #
/

+!%- - /
4 # 4 /( +#
/

2CD , - /  
/

2,2 , - /
2

+!%- :    #6 2:4 A  ?
2

+!%- : = #6 2:4 A  ?
15

ISD

"  # "
! $%&  %'

( )     *   + ,   
-''  




 

./0  >
2

2CD ,1+> :  ?1?
2

2,2 , +>1 :    #6
/

2:4 )- / 
Table 11: AC Parameters (Die)
Symbol Characteristic Min(2) Typ (1) Max(2) Units Conditions
%-' !F5 
















'! + 6# 











#6 / '') +
 
#6 / '') +
 
#6 / '') +
 
#6 / '') +
 
E

/ !# ! 











E

+'5.* !  















E

4( +' 8#$  
E

4 ! '12##! - E%  
E

4 ! '12##! '# E% 
E

+ "!C- '5  







%
%
%
%
E

+ +' 8#$
/ !# 







%
%
%
%
Table 10: DC Parameters (Die)
Symbol Parameters Min(2) Typ(1) Max(2) Units Conditions
16

Voice Solutions in Silicon™

"  # "
! $%&  %'

( )     *    + ,   
-''  

/12        3 4 *5

 (6. ,7  (,( ,    %'  18  4

! -$$ 98 

9 %- 0
  (,( ,

"

 2   8  

 2  : *      ;$$%    
       8   :  + 3 4 *5

           "8   8 
< =      
E

+ +' 8#$ +'5 







%
%
%
%
E

+ +' 8#$   

E

+ "! "  '# 
E

() +' 8#$ 







%
%
%
%
E
 
)0!' " +' 8#$  B
E E ' !%  !  G H 
+

-*! )- + "!  %8 /

A

?

? ' 2!  -*! + ? -=- /

A 
?

4 - ? '  %? +* +*
!
?

2,2 , - ? '  %? +* +*
?

2I - ? '  ? +* +*J
/

A
Table 11: AC Parameters (Die)
Symbol Characteristic Min(2) Typ (1) Max(2) Units Conditions

17
ISD
$!%&")&"!%
Chart 5: Record Mode Operating Current
(ICC)
Chart 6: Total Harmonic Distortion
Chart 7: Standby Current (ISB)
Chart 8: Oscillator Stability
 ? '  ? '  ? '






  
 
 ? '  ? '  ? '








  
 
? '
 ? '
 ? '







  
 
 ? '
 ? '
 ? '








  
 

18
Voice Solutions in Silicon
Table 12: Application Example—Basic Device Control
Control Step Function Action
+ "! - $- # ' / !#1+'5.* #  + A 3)8& +1/ A2#!#
% ##!  ! ! !#1-'5.*  ##! 2=2
2 6 -'5.* +1/ A :& 4( A +'# 3)8
6 6 ! !# +1/ A 3)8& 4( A3)8
2
6 (# -'5.*
(# !  !# 2 %
+ ! 4( A :
Figure 4: ISD2500 Application Example—Design Schematic

 8 -? 34*4 :5     3     5 
 8  -?          (    
   %8 ( 

19
ISD
,!"
 & &#" ,- !# " #
(  &/<  #&&!
!  &  # & 9/
1& + !  & " ,&( (
  $8:: && 1 &"+ 
, + &  ,&C  "
 (  " #&&! & </
&  # & !  ,/
&  ##! $8:: 1(
&"+  , + " "& &
  
NOTE
*+    
    
# )   # .

Table 13: Application Example—Passive Component Functions
Part Function Comments
/ ! -$  - "! --'5 # -' /# - "! --'5
/ /' %    !' % ! 2:4
/& / ! -$  . ! ! +! 0# . ! %! -$  -!
/ ! '% ! ! /# '0' -!0 # !  $$! --'5
0 '
/ ! '% !  ! /# '0' $$ --'5 0 '
4& 4 ! -$  4=.' * - !
3 "!F5   -' %! -$  . ! % $- +! 0# '
- ' ' "!F5   # %% % #  
!K 
4 2*1/' %   *1!' %  ! 2:4
4 3 "!F5  -! +! 0# ## ' - '  ! ' "!F5  
4 ! -$  - "! --'5 # -' /# - "! --'5
4& 4& 4 + "! --'5 -! '! # .5- - "! --'5
20

Voice Solutions in Silicon™
Figure 5: ISD2532/40/48/64 Application Example—Microcontroller/ISD2500 Interface
Figure 6: ISD2532/40/48/64 Application Example—Push-Button

4   (    
21

ISD
Table 14: Application Example—Push-Button Control
Control Step Function Action
' / !#1+'5.*  # +1/ A 2 #!#
2
6 6 -'5.*
6 ! !# +1/ A :& 4( A +'# 3)8
+1/ A 3)8& 4( A +'# 3)8
+ ! !# ! -'5.* 4( A +'# 3)8
2
6 (# -'5.*
(# ! !# 2 % () %!*! ! + A +'# :
+ A +'# :
Table 15: Application Example—Passive Component Functions
Part Function Comments
/ /' %  !' %  ! 2:4
/ ! '% ! ! /# '0 ' -!0 # ! $$! --'5 0 '
/& / +''- # -''# " ! !    -
4& 4& 4 + "! --'5 - ! '! # .5- - "! --'5
4 2*1/' %   *1!' % ! 2:4
4 3 "!F5   - ! +! 0# ## ' - '  ! ' "!F5 
Table 16: Push-Button Parameters
Symbol Characteristic Min Typ (1) Max Units Conditions
E

4( +' 8#$ L!1+M 
E

4 ! '12##! - E% 
E

+ "!C- '5 







%
%
%
%
E

+ +' 8#$ L -1/M 
E

4(  () :  
E

4(  () 3)8  
E

4( : .  











%
%
%
%
22

Voice Solutions in Silicon™
+ "%%
Figure 7: Push-Button Mode Record
Figure 8: Push-Button Mode Playback

(?8 (@8  (< ! -  1 

"  /9    

"       1  "


"    ABA    "

   +     


"   /9 8    8  4 

(8    ABA   "

   +    
8       8         ABA 
 "



"  /9 8    8  C 

(  8 ABA  4*    8    8    

23

ISD
$!%"
Figure 9: 28-Lead 8x13.4mm Plastic Thin Small Outline Package (TSOP) Type I (E)

/    '''D 
Table 17: Plastic Thin Small Outline Package (TSOP) Type I (E) Dimensions
INCHES MILLIMETERS
Min Nom Max Min Nom Max
2      
6      
4      
   
(      
 
:      
<<<<<<
     
;    
24

Voice Solutions in Silicon™
Figure 10: 28-Lead 0.600-Inch Plastic Dual Inline Package (PDIP) (P)
Table 18: Plastic Dual Inline Package (PDIP) (P) Dimensions
INCHES MILLIMETERS
Min Nom Max Min Nom Max
2     
6  
6      
4    
4      


(   
    
:     
 
;     
    
F < < < <
25

ISD
Figure 11: 28-Lead 0.300-Inch Plastic Small Outline Integrated Circuit (SOIC) (S)

/    '''D 
Table 19: Plastic Small Outline Integrated Circuit (SOIC) (S) Dimensions
INCHES MILLIMETER
Min Nom Max Min Nom Max
2     
6     
4     
    
(     
 
:     
    
26

Voice Solutions in Silicon™
Figure 12: 32-Lead 8x20mm Plastic Thin Small Outline Package (TSOP) Type I (T)

/    '''$ 
Table 20: Plastic Thin Small Outline Package (TSOP) Type I (T) Dimensions
INCHES MILLIMETERS
Min Nom Max Min Max
2     
6     
4     
  
(     
 
:     
<<<<<<
    
;   
27

ISD
Figure 13: ISD2532/40/48/64 Products Bonding Physical Layout (Unpacka
g
ed Die)1

" :     


 
     


* :  E 8   *     
$8.$3:3>93
I.
 #&&
5C 3@9 N #&
?C $:9. N #&
II.
 -&&

> N3 #&
III.
!
#& '33 #&)
,4
2
2
2CD , ?

+>
+=
?

4
4 /(
2:4
2,2 ,
2,2 )CE
)?
()+1/
4(
D43
?

2
2
2
2
2
2
"#$%&$'()'(*'+(
+
2
?

28

Voice Solutions in Silicon™
Table 21: ISD2532/40/48/64 Products Pin/Pad Designation, with Respect to Die Center (µm)
Pin Pin Name X Axi s Y Axis
2 2##! = 
2 2##! = 
2 2##! = 
2 2##! = 
2 2##! = 
2 2##! = 
2 2##! = 
,4 , 4  = =
2 2##! = =
2 2##! = =
2CD , 2I'!5 - = =
?

?

' + "! --'5 = =
?

?

2' + "! --'5 =  =
+> -*! )- > = =
+= -*! )- =  =
?

?

2' + "! --'5  =
4 ! -$  -  =
4 /( ! -$  /!  =
2:4 2 % : 4 ! '  =
2,2 , 2'  -  =
2,2 )CE 2'  )-  =
)? )0!' " )-  
4( 4$- (.' -  
+ + "! " -  
() (#   
D43 , 4  7 - '9  
+1/ +'5.*1/ !#  
?

?

' + "! --'5  

29
ISD
""%"
A ! $8.$3:3>93 & " "+!  #,& + &  1/
# " &  && &   & &1  &,& " 1, "/
#
2  &  "#( && E& ++ +,&  C+++&#
Part Number Part Number Part Number Part Number
( ( ( +
( ( + D
+ + D
+ +
 
 
D D
 

 A  #
 A  #
 A  #
 A  #

  
6'*A 4 %%!' +*# 7<4 ><49
! 4 %%!' 7<4 ><49
A #!' 7=<4  ><49
 
( A 3# I%% +' E$ %'' )'
+* 7E)+9 E5-
: A 3# $ %'' )' +* 7)49
+ A 3# $ +' ' ' +*
7++9
A 3# $ %'' )' !# 4!
7)49
E A 3# I%% +' E$ %'' )'
+* 7E)+9
DA
   