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IDT71256SA70

CMOS STATIC RAM 256K (32K x 8-BIT)

Integrated Device Technology 

IDT71256SA70

CMOS STATIC RAM 256K (32K x 8-BIT)

COMMERCIAL TEMPERATURE RANGES

DC ELECTRICAL CHARACTERISTICS(1)

(VCC = 5.0V ± 10%, VLC = 0.2V, VHC = VCC–0.2V)

Symbol

ICC

Parameter

Dynamic Operating Current

CS ≤ VIL, Outputs Open, VCC = Max., f = fMAX(2)

ISB Standby Power Supply Current (TTL Level)

CS ≥ VIH, Outputs Open, VCC = Max., f = fMAX(2)

ISB1 Standby Power Supply Current (CMOS Level)

CS ≥ VHC, Outputs Open, VCC = Max., f = 0(2)

VIN ≤ VLC or VIN ≥ VHC

NOTES:

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 .

71256SA70

Com’l.

130

20

15

Unit

mA

mA

mA

3567 tbl 06

AC TEST CONDITIONS

Input Pulse Levels

Input Rise/Fall Times

Input Timing Reference Levels

Output Reference Levels

AC Test Load

GND to 3.0V

3ns

1.5V

1.5V

See Figures 1 and 2

3567 tbl 07

DATAOUT

30pF*

5V

480Ω

255Ω

3567 drw 04

DATAOUT

5pF*

*Including jig and scope capacitance.

5V

480Ω

255Ω

3567 drw 05

Figure 1. AC Test Load

Figure 2. AC Test Load

(for tCLZ, tOLZ, tCHZ, tOHZ, tOW, and tWHZ)

3

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