6.42
IDT70V3379S Preliminary
High-Speed 32K x 18 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges
5
Recommended Operating
Temperature and Supply Voltage(1)
Absolute Maximum Ratings(1)
Truth Table IIAddress Counter Control(1,2)
NOTES:
1. "H" = VIH, "L" = VIL, "X" = Don't Care.
2. Read and write operations are controlled by the appropriate setting of R/W, CE0, CE1, BEn and OE.
3. Outputs are in Pipelined mode: the data out will be delayed by one cycle.
4. ADS and CNTRST are independent of all other memory control signals including CE0, CE1 and BEn
5. The address counter advances if CNTEN = VIL on the rising edge of CLK, regardless of all other memory control signals including CE0, CE1, BEn.
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may
cause permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect reliability.
2. VTERM must not exceed VDD + 150mV for more than 25% of the cycle time or 4ns
maximum, and is limited to < 20mA for the period of VTERM > VDD + 150mV.
NOTES:
1. Industrial temperature: for specific speeds, packages and powers contact your
sales office.
Address
Previous
Address
Addr
Used CLK(6 ) ADS CNTEN CNTRST I/O(3 ) MODE
XX0
↑XX L
(4 ) DI/O (0) Counter Reset to Address 0
An X An ↑ L(4 ) HHD
I/O (n) External Address Loaded into Counter
An Ap Ap ↑HH H D
I/O (p) External Address BlockedCounter disabled (Ap reused)
XApAp + 1
↑H L
(5 ) HD
I/O (p+1) Counter EnabledInternal Address generation
4833 tbl 03
Grade
Ambient
Temperature GND VDD
Commercial 0OC to +70OC0V3.3V
+ 150mV
Industrial -40OC to +85OC0V3.3V
+ 150mV
4833 tbl 04
Symbol Parameter Min. Typ. Max. Unit
VDD Core Supply Voltage 3.15 3.3 3.45 V
VDDQ I/O Supply Voltage(3) 2.375 2.5 2.625 V
VSS Ground 0 0 0 V
VIH Input High Voltage
(Address & Control Inputs)
2.0 ____ VDDQ + 125mV(2 ) V
VIH Input High Voltage - I/O(3) 1.7 ____ VDDQ + 125mV(2) V
VIL Input Low Voltage -0.3(1) ____ 0.7 V
4833 tbl 05a
Symbol Rating Commercial
& Industrial
Unit
VTE RM(2 ) Terminal Voltage
with Resp ect to
GND
-0.5 to +4.6 V
TBIAS Temperature
Under Bias
-55 to +125 oC
TSTG Storage
Temperature
-55 to +125 oC
IOUT DC Output Current 50 mA
4833 tbl 06
Recommended DC Operating
Conditions with VDDQ at 2.5V
NOTES:
1. VIL > -1.5V for pulse width less than 10 ns.
2. VTERM must not exceed VDDQ + 125mV.
3. To select operation at 2.5V levels on the I/Os of a given port, the OPT pin for
that port must be set to VIL (0V), and VDDQX for that port must be supplied as
indicated above.
Recommended DC Operating
Conditions with VDDQ at 3.3V
NOTES:
1. VIL > -1.5V for pulse width less than 10 ns.
2. VTERM must not exceed VDDQ + 150mV.
3. To select operation at 3.3V levels on the I/Os of a given port, the OPT pin for
that port must be set to VIH (3.3V), and VDDQX for that port must be supplied as
indicated above.
Symbol Parameter Min. Typ. Max. Unit
VDD Core Supply Voltage 3.15 3.3 3.45 V
VDDQ I/O Supply Voltage(3) 3.15 3.3 3.45 V
VSS Ground 0 0 0 V
VIH Input High Voltage
(Address & Control Inputs)(3)
2.0 ____ VDDQ + 150mV(2 ) V
VIH Input High Voltage - I/O(3) 2.0 ____ VDDQ + 150mV(2 ) V
VIL Input Low Voltage -0.3(1) ____ 0.8 V
4833 tbl 05b