K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
GENERAL DESCRIPTIONFEATURES
1M x 32Bit x 4 Banks SDRAM in 90FBGA
FUNCTIONAL BLOCK DIAGRAM
3.0V & 3.3V power supply
LVCMOS compatible with multiplexed address
Four banks operation
MRS cycle with address key programs
-. CAS latency (1, 2 & 3)
-. Burst length (1, 2, 4, 8 & Full page)
-. Burst type (Sequential & Interleave)
EMRS cycle with address key programs.
-. PASR(Partial Array Self Refresh)
-. Internal TCSR(Temperature Compensated Self Refresh)
All inputs are sampled at the positive going edge of the system
clock
Burst read single-bit write operation
DQM for masking
Auto & self refresh
64ms refresh period (4K cycle).
Extended Temperature Operation (-25°C ~ 85°C).
Commercial Temperature Operation (-25°C ~ 70°C).
90Balls Monolithic FBGA(9mm x 13mm)
Pb for -FXXX, Pb Free for -HXXX.
Bank Select
Data Input Register
1M x 32
1M x 32
Sense AMP
Output BufferI/O Control
Column Decoder
Latency & Burst Length
Programming Register
Address Register
Row Buffer
Refresh Counter
Row DecoderCol. Buffer
LRAS
LCBR
LCKE
LRAS LCBR LWE LDQM
CLK CKE CS RAS CAS WE DQM
LWE
LDQM
DQi
CLK
ADD
LCAS LWCBR
1M x 32
1M x 32
Timing Register
* Samsung Electronics reserves the right to change products or specification without notice.
The K4S283233E is 134,217,728 bits synchronous high data
rate Dynamic RAM organized as 4 x 1,048,576 words by 32
bits, fabricated with SAMSUNGs high performance CMOS
technology. Synchronous design allows precise cycle control
with the use of system clock and I/O transactions are possible
on every clock cycle. Range of operating frequencies, program-
mable burst lengths and programmable latencies allow the
same device to be useful for a variety of high bandwidth and
high performance memory system applications.
ORDERING INFORMATION
Part No. Max Freq. Interface Package
K4S283233E-F(H)E/N/G/C/L/F60 166MHz(CL=3)
LVCMOS 90FBGA
Pb
(Pb Free)
K4S283233E-F(H)E/N/G/C/L/F75 133MHz(CL=3)
105MHz(CL=2)
K4S283233E-F(H)E/N/G/C/L/F1H 105MHz(CL=2)
K4S283233E-F(H)E/N/G/C/L/F1L 105MHz(CL=3)*1
- F(H)E/N/G : Normal/Low Power, Extended Temp.
- F(H)C/L/F : Normal/Low Power, Commercial Temp.
1. In case of 40MHz Frequency, CL1 can be supported.
Note :
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
90Ball(6x15) CSP
123789
ADQ26 DQ24 VSS VDD DQ23 DQ21
BDQ28 VDDQ VSSQ VDDQ VSSQ DQ19
CVSSQ DQ27 DQ25 DQ22 DQ20 VDDQ
DVSSQ DQ29 DQ30 DQ17 DQ18 VDDQ
E VDDQ DQ31 NC NC DQ16 VSSQ
FVSS DQM3 A3 A2 DQM2 VDD
GA4 A5 A6 A10 A0 A1
HA7 A8 NC NC BA1 A11
JCLK CKE A9 BA0 CS RAS
KDQM1 NC NC CAS WE DQM0
LVDDQ DQ8 VSS VDD DQ7 VSSQ
MVSSQ DQ10 DQ9 DQ6 DQ5 VDDQ
NVSSQ DQ12 DQ14 DQ1 DQ3 VDDQ
PDQ11 VDDQ VSSQ VDDQ VSSQ DQ4
RDQ13 DQ15 VSS VDD DQ0 DQ2
Pin Name Pin Function
CLK System Clock
CS Chip Select
CKE Clock Enable
A0 ~ A11 Address
BA0 ~ BA1Bank Select Address
RAS Row Address Strobe
CAS Column Address Strobe
WE Write Enable
DQM0 ~ DQM3Data Input/Output Mask
DQ0 ~ 31 Data Input/Output
VDD/VSS Power Supply/Ground
VDDQ/VSSQ Data Output Power/Ground
Package Dimension and Pin Configuration
< Bottom View*1 >
< Top View*2 >
< Top View*2 >
*2: Top View
5 2 16 3489 7
F
E
D
C
B
J
H
G
A
e
D
D/2
D1
E1
EE/2
A
A1
z
b
Substrate(2Layer)
#A1 Ball Origin Indicator
*1: Bottom View
M
L
K
R
P
N
K4S283233E-XXXX
SAMSUNG Week
Symbol Min Typ Max
A1.00 1.10 1.20
A10.27 0.32 0.37
E-9.00 -
E1-6.40 -
D-13.00 -
D1-11.20 -
e-0.80 -
b0.40 0.45 0.50
z- - 0.10
[Unit:mm]
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
DC OPERATING CONDITIONS
Recommended operating conditions (Voltage referenced to VSS = 0V, TA = -25 to 85°C for Extended, -25 to 70°C for Commercial)
Notes :
1. VIH (max) = 5.3V AC. The overshoot voltage duration is 3ns.
2. VIL (min) = -2.0V AC. The undershoot voltage duration is 3ns.
3. Any input 0V VIN VDDQ.
Input leakage currents include HI-Z output leakage for all bi-directional buffers with tri-state outputs.
4. Dout is disabled, 0V VOUT VDDQ.
Parameter Symbol Min Typ Max Unit Note
Supply voltage VDD 2.7 3.0 3.6 V
VDDQ 2.7 3.0 3.6 V
Input logic high voltage VIH 2.2 3.0 VDDQ+0.3 V1
Input logic low voltage VIL -0.3 00.5 V2
Output logic high voltage VOH 2.4 - - VIOH = -2mA
Output logic low voltage VOL - - 0.4 VIOL = 2mA
Input leakage current ILI -10 -10 uA 3
ABSOLUTE MAXIMUM RATINGS
Note :
Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
Parameter Symbol Value Unit
Voltage on any pin relative to Vss VIN, VOUT -1.0 ~ 4.6 V
Voltage on VDD supply relative to Vss VDD, VDDQ -1.0 ~ 4.6 V
Storage temperature TSTG -55 ~ +150 °C
Power dissipation PD1W
Short circuit current IOS 50 mA
CAPACITANCE (VDD = 3.0V & 3.3, TA = 23°C, f = 1MHz, VREF =0.9V ± 50 mV)
Pin Symbol Min Max Unit Note
Clock CCLK -4.0 pF
RAS, CAS, WE, CS, CKE, DQM0~ DQM3CIN -4.0 pF
Address(A0 ~ A11, BA0 ~ BA1)CADD -4.0 pF
DQ0 ~ DQ31 COUT -6.0 pF
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
DC CHARACTERISTICS
Recommended operating conditions (Voltage referenced to VSS = 0V, TA = -25 to 85°C for Extended, -25 to 70°C for Commercial)
Parameter Symbol Test Condition Version Unit Note
-60 -75 -1H -1L
Operating Current
(One Bank Active) ICC1 Burst length = 1
tRC tRC(min)
IO = 0 mA 100 85 85 80 mA 1
Precharge Standby Current
in power-down mode ICC2PCKE VIL (max), tCC = 10ns 0.5 mA
ICC2PS CKE & CLK VIL(max), tCC = 0.5
Precharge Standby Current
in non power-down mode
ICC2NCKE VIH(min), CS VIH(min), tCC = 10ns
Input signals are changed one time during 20ns 16
mA
ICC2NS CKE VIH(min), CLK VIL(max), tCC =
Input signals are stable 8
Active Standby Current
in power-down mode ICC3PCKE VIL (max), tCC = 10ns 5mA
ICC3PS CKE & CLK VIL(max), tCC = 5
Active Standby Current
in non power-down mode
(One Bank Active)
ICC3NCKE VIH(min), CS VIH(min), tCC = 10ns
Input signals are changed one time during 20ns 26 mA
ICC3NS CKE VIH(min), CLK VIL(max), tCC =
Input signals are stable 22 mA
Operating Current
(Burst Mode) ICC4
IO = 0 mA
Page burst
4Banks Activated
tCCD = 2CLKs
110 85 80 80 mA 1
Refresh Current ICC5 tRC tRC(min) 180 160 150 130 mA 2
Self Refresh Current ICC6 CKE 0.2V
-F(H)E/C 1500 uA 4
-F(H)N/L 800 5
Internal TCSR Max 40 Max 85/70 °C3
-F(H)G/F
4 Banks 500 800
uA 6
2 Banks 460 650
1 Bank 440 550
1. Measured with outputs open.
2. Refresh period is 64ms.
3. Internal TCSR can be supported.
In Commercial Temp : Max 40°C/Max 70°C, In Extended Temp : Max 40°C/Max 85°C
4. K4S283233E-F(H)E/C** (85/70°C, Full Banks)
5. K4S283233E-F(H)N/L** (85/70°C, Full Banks)
6. K4S283233E-F(H)G/F**
7. Unless otherwise noted, input swing IeveI is CMOS(VIH /VIL=VDDQ/VSSQ)
Notes :
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
OPERATING AC PARAMETER
AC OPERATING TEST CONDITIONS (VDD = 2.7V ~ 3.6V, TA = -25 to 85°C for Extended, -25 to 70°C for Commercial)
Parameter Value Unit
AC input levels (Vih/Vil) 2.4 / 0.4 V
Input timing measurement reference level 0.5 x VDDQ V
Input rise and fall time tr/tf = 1/1 ns
Output timing measurement reference level 0.5 x VDDQ V
Output load condition See Fig. 2
VDDQ
1200
870
Output
30pF
VOH (DC) =2.4V, IOH = -2mA
VOL (DC) = 0.4V, IOL = 2mA
Vtt = 0.5 x VDDQ
50
Output
30pF
Z0 = 50
(Fig. 2) AC output load circuit (Fig. 1) DC output load circuit
1. The minimum number of clock cycles is determined by dividing the minimum time required with clock cycle time
and then rounding off to the next higher integer.
2. Minimum delay is required to complete write.
3. Minimum 2RDL=2CLK and tDAL(=tRDL + tRP) is required to complete both of last data wite command(tRDL) and
precharge command(tRP).
4. All parts allow every cycle column address change.
5. In case of row precharge interrupt, auto precharge and read burst stop.
Notes :
(AC operating conditions unless otherwise noted)
Parameter Symbol Version Unit Note
- 60 - 75 -1H -1L
Row active to row active delay tRRD(min) 12 15 19 19 ns 1
RAS to CAS delay tRCD(min) 18 19 19 24 ns 1
Row precharge time tRP(min) 18 19 19 24 ns 1
Row active time tRAS(min) 42 45 50 60 ns 1
tRAS (max) 100 us
Row cycle time tRC(min) 60 64 69 84 ns 1
Last data in to row precharge tRDL(min) 2CLK 2,3
Last data in to Active delay tDAL (min) tRDL + tRP -3
Last data in to new col. address delay tCDL(min) 1CLK 2
Last data in to burst stop tBDL(min) 1CLK 2
Col. address to col. address delay tCCD(min) 1CLK 4
Number of valid output data
CAS latency=3 2
ea 5
CAS latency=2 -1
CAS latency=1 -0
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
1. Parameters depend on programmed CAS latency.
2. If clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter.
3. Assumed input rise and fall time (tr & tf) = 1ns.
If tr & tf is longer than 1ns, transient time compensation should be considered,
i.e., [(tr + tf)/2-1]ns should be added to the parameter.
Notes :
AC CHARACTERISTICS (AC operating conditions unless otherwise noted)
Parameter Symbol - 60 - 75 -1H -1L Unit Note
Min Max Min Max Min Max Min Max
CLK cycle time
CAS latency=3
tCC
6.0
1000
7.5
1000
9.5
1000
9.5
1000 ns 1
CAS latency=2 -9.5 9.5 12
CAS latency=1 ---25
CLK to valid output
delay
CAS latency=3
tSAC
5.4 677
ns 1,2
CAS latency=2 -778
CAS latency=1 ---20
Output data hold time
CAS latency=3
tOH
2.5 2.5 2.5 2.5
ns 2
CAS latency=2 -2.5 2.5 2.5
CAS latency=1 ---2.5
CLK high pulse width tCH 2.5 2.5 3 3 ns 3
CLK low pulse width tCL 2.5 2.5 3 3 ns 3
Input setup time tSS 2.0 2.0 2.5 2.5 ns 3
Input hold time tSH 1.0 1.0 1.5 1.5 ns 3
CLK to output in Low-Z tSLZ 1111ns 2
CLK to output in Hi-Z
CAS latency=3
tSHZ
5.4 677
ns
CAS latency=2 -778
CAS latency=1 ---20
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
SIMPLIFIED TRUTH TABLE
(V=Valid, X=Dont Care, H=Logic High, L=Logic Low)
COMMAND CKEn-1 CKEn CS RAS CAS WE DQM BA0,1 A10/AP A11,
A9 ~ A 0Note
Register Mode Register Set HXL L L L XOP CODE 1, 2
Refresh
Auto Refresh HHL L L HXX3
Self
Refresh
Entry L 3
Exit LHLHHHXX3
HX X X 3
Bank Active & Row Addr. HXL L HHX V Row Address
Read &
Column Address Auto Precharge Disable HXLHLHX V LColumn
Address
(A0~A7)
4
Auto Precharge Enable H4, 5
Write &
Column Address Auto Precharge Disable HXLHL L X V LColumn
Address
(A0~A7)
4
Auto Precharge Enable H4, 5
Burst Stop HXLHHLXX6
Precharge Bank Selection HXL L HLXVLX
All Banks XH
Clock Suspend or
Active Power Down Entry HLHX X X XXLV V V
Exit LHX X X X X
Precharge Power Down Mode
Entry HLHX X X X
X
LH H H
Exit LHHX X X X
LV V V
DQM HX VX7
No Operation Command HXHX X X X X
LH H H
Notes :
1. OP Code : Operand Code
A0 ~ A11 & BA0 ~ BA1 : Program keys. (@MRS)
2. MRS can be issued only at all banks precharge state.
A new command can be issued after 2 CLK cycles of MRS.
3. Auto refresh functions are as same as CBR refresh of DRAM.
The automatical precharge without row precharge command is meant by "Auto".
Auto/self refresh can be issued only at all banks precharge state.
4. BA0 ~ BA1 : Bank select addresses.
5. During burst read or write with auto precharge, new read/write command can not be issued.
Another bank read/write command can be issued after the end of burst.
New row active of the associated bank can be issued at tRP after the end of burst.
6. Burst stop command is valid at every burst length.
7. DQM sampled at the positive going edge of CLK masks the data-in at that same CLK in write operation (Write DQM latency
is 0), but in read operation it makes the data-out Hi-Z state after 2 CLK cycles. (Read DQM latency is 2).
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
A. MODE REGISTER FIELD TABLE TO PROGRAM MODES
Register Programmed with Extended MRS
Address BA1 BA0 A11 ~ A10/AP A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Function Mode Select RFU*1 PASR
Normal MRS Mode
Test Mode CAS Latency Burst Type Burst Length
A8 A7 Type A6 A5 A4 Latency A3 Type A2 A1 A0 BT=0 BT=1
0 0 Mode Register Set 0 0 0 Reserved 0Sequential 0 0 0 1 1
0 1 Reserved 0 0 1 11Interleave 0 0 1 2 2
1 0 Reserved 0 1 0 2Mode Select 0 1 0 4 4
1 1 Reserved 0 1 1 3BA1 BA0 Mode 0 1 1 8 8
Write Burst Length 1 0 0 Reserved
0 0 Setting for
Normal
MRS
1 0 0 Reserved Reserved
A9 Length 1 0 1 Reserved 1 0 1 Reserved Reserved
0Burst 1 1 0 Reserved 1 1 0 Reserved Reserved
1Single Bit 1 1 1 Reserved 1 1 1 Full Page Reserved
Register Programmed with Normal MRS
Address BA0 ~ BA1 A11 ~ A10/AP A9*2 A8 A7 A6 A5 A4 A3 A2 A1 A0
Function "0" Setting for
Normal MRS RFU*1 W.B.L Test Mode CAS Latency BT Burst Length
* Full Page Length
64Mb : x16(256) / x32(256), 128Mb : x16(512) / x32(256), 256Mb : x16(512) / x32(512), 512Mb : x16(1024) / x32(512)
Extended MRS for PASR(Partial Array Self Refresh)
Notes : 1. RFU(Reserved for future use) should stay "0" during MRS cycle.
2. If A9 is high during MRS cycle, "Burst Read Single Bit Write" function will be enabled.
3. In case of 1 Bank Partial Refresh, one bank(BA1=BA0=0) is selected.
In case of 2 Banks Partial Refresh, two banks(BA1=0) are selected.
Mode Select PASR *3
BA1 BA0 Mode A2 A1 A0 # of Banks
0 0 Normal MRS 0 0 0 4 Banks(All Banks)
0 1 Reserved 0 0 1 2 Banks(1/2 of All Banks)
1 0 EMRS for Mobile SDRAM 0 1 0 1 Bank(1/4 of All Banks)
1 1 Reserved 0 1 1 Reserved
Reserved Address*1 1 0 0 Reserved
A11~A10/AP A9 A8 A7 A6 A5 A4 A3 1 0 1 Reserved
0 0 0 0 0 0 0 0 1 1 0 Reserved
1 1 1 Reserved
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
Partial Array Self Refresh
1. In order to save power consumption, Mobile SDRAM has PASR option.
2. Mobile SDRAM supports 3 kinds of PASR in self refresh mode ; 4 Banks(128Mb), 2 Banks(64Mb), 1 Bank(32Mb).
- 4 Banks - 2 Banks - 1 Bank
Partial Self Refresh Area
Temperature Compensated Self Refresh
1. In order to save power consumption, Mobile SDRAM has includes the Internal temperature sensor and control units to
control the self refresh cycle automatically according to the two temperature range : Max 40°C and Max 85°C(for Extended),
Max 70°C(for Commercial).
2. If the EMRS for external TCSR is issued by the controller, this EMRS code for TCSR is ignored.
Temperature Range
Self Refresh Current (Icc 6)
Unit
-G/F
4 Banks 2 Banks 1 Bank
Max 85/70
°
C800 650 550 uA
Max 40
°
C500 460 440
BA1=0 BA1=0
BA1=1 BA1=1
BA0=0 BA0=1
BA0=0 BA0=1
BA1=0 BA1=0
BA1=1 BA1=1
BA0=0 BA0=1
BA0=0 BA0=1
BA1=0 BA1=0
BA1=1 BA1=1
BA0=0 BA0=1
BA0=0 BA0=1
1. Apply power and attempt to maintain CKE at a high state and all other inputs may be undefined.
- Apply VDD before or at the same time as VDDQ.
2. Maintain stable power, stable clock and NOP input condition for a minimum of 200us.
3. Issue precharge commands for all banks of the devices.
4. Issue 2 or more auto-refresh commands.
5. Issue a mode register set command to initialize the mode register.
6. Issue an extended mode register set command to define PASR operating type of the device after normal MRS.
EMRS cycle is not mandatory and EMRS command needs to be issued only when PASR is used.
The default state without EMRS command issued is all 4banks refreshed.
The device is now ready for the operation selected by EMRS.
For operating with PASR, set PASR mode in EMRS setting stage.
In order to adjust another mode in the state of PASR mode, additional EMRS set is required but power up sequence is
not needed again at this time, In that case, all banks have to be in idle state prior to adjusting EMRS set.
B. Power Up Sequence
K4S283233E-F(H)E/N/G/C/L/F
May. 2003
Mobile-SDRAM
C. BURST SEQUENCE
1. BURST LENGTH = 4
Initial Address Sequential Interleave
A1A0
0 0 0 1 2 3 0 1 2 3
0 1 1 2 3 0 1 0 3 2
1 0 2 3 0 1 2 3 0 1
1 1 3 0 1 2 3 2 1 0
2. BURST LENGTH = 8
Initial Address Sequential Interleave
A2A1A0
0000123456701234567
0011234567010325476
0102345670123016745
0113456701232107654
1004567012345670123
1015670123454761032
1106701234567452301
1117012345676543210