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IDT71256SA70 Datasheet(PDF) 3 Page - Integrated Device Technology

Part No. IDT71256SA70
Description  CMOS STATIC RAM 256K (32K x 8-BIT)
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT71256SA70
CMOS STATIC RAM 256K (32K x 8-BIT)
COMMERCIAL TEMPERATURE RANGES
3
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
3ns
Input Timing Reference Levels
1.5V
Output Reference Levels
1.5V
AC Test Load
See Figures 1 and 2
3567 tbl 07
Figure 2. AC Test Load
(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, and tWHZ)
Figure 1. AC Test Load
*Including jig and scope capacitance.
3567 drw 04
480
255
30pF*
DATAOUT
5V
3567 drw 05
480
255
5pF*
DATAOUT
5V
DC ELECTRICAL CHARACTERISTICS
(1)
(VCC = 5.0V
± 10%, VLC = 0.2V, VHC = VCC–0.2V)
71256SA70
Symbol
Parameter
Com’l.
Unit
ICC
Dynamic Operating Current
130
mA
CS ≤ VIL, Outputs Open, VCC = Max., f = fMAX(2)
ISB
Standby Power Supply Current (TTL Level)
20
mA
CS ≥ VIH, Outputs Open, VCC = Max., f = fMAX(2)
ISB1
Standby Power Supply Current (CMOS Level)
15
mA
CS ≥ VHC, Outputs Open, VCC = Max., f = 0(2)
VIN
≤ VLC or VIN ≥ VHC
NOTES:
3567 tbl 06
1. All values are maximum guaranteed values.
2. fMAX = 1/tRC (all address inputs are cycling at fMAX); f = 0 means no address input lines are changing .




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