AS7C31025A-12TC datasheet(3/8 Pages) ALSC

Part #	AS7C31025A-12TC

Description	5V/3.3V 128K X 8 CMOS SRAM (Revolutionary pinout)

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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3 / 8 page

®

AS7C1025A

AS7C31025A

2/6/01; V.0.9

Alliance Semiconductor

P. 3 of 8

Recommended operating conditions

†

VIL min. = –3.0V for pulse width less than tRC/2.

DC operating characteristics (over the operating range)1

Capacitance (f = 1 MHz, Ta = 25

oC, V

CC = NOMINAL)

2

Parameter

Device

Symbol

Min

Nominal

Max

Unit

Supply voltage

AS7C1025A

VCC

4.5

5.0

5.5

V

AS7C31025A

VCC

3.0

3.3

3.6

V

Input voltage

AS7C1025A

VIH

2.2

–

VCC + 0.5

V

AS7C31025A

VIH

2.0

–

VCC + 0.5

V

Both

VIL

†

–0.5

–

0.8

V

Ambient operating temperature

commercial

TA

0–

70

oC

industrial

TA

–40

–

85

oC

Parameter

Sym

Test conditions

Device

-10

-12

-15

-20

Unit

Min

Max

Min

Max

Min

Max

Min

Max

Input

leakage

current

| I

LI |

VCC = Max, VIN = GND to VCC

Both

–

1

–

1

–

1

–

1

µA

Output

leakage

current

| I

LO |

VCC = Max, CE = VIH, Vout = GND

to VCC

Both

–

1

–

1

–

1

–

1

µA

Operating

power

supply

current

ICC

CE = VIL, f = fMax, IOUT = 0 mA

AS7C1025A

–

120

–

110

–

100

–

100

mA

AS7C31025A

–

90

–

80

–

80

–

80

Standby

power

supply

current

1

ISB

CE = VIH, f = fMax, fOUT = 0

AS7C1025A

–

30

–

25

–

20

–

20

mA

AS7C31025A

–

30

–

25

–

20

–

20

ISB1

CE

≥ V

CC–0.2V, VIN ≤ 0.2V or VIN

≥ V

CC –0.2V, f = 0, fOUT = 0

AS7C1025A

–

10

–

10

–

10

–

15

mA

AS7C31025A

–

10

–

10

–

10

–

15

Output

voltage

VOL

IOL = 8 mA, VCC = Min

AS7C1025A

–

.04

–

0.4

–

0.4

–

0.4

V

VOH

IOH = –4 mA, VCC = Min

AS7C31025A

2.4

–

2.4

–

2.4

–

V

Data

retention

current

ICCDR

VCC = 2.0V

CE

≥ V

CC – 0.2V

VIN ≥ VCC – 0.2V or

VIN ≤ 0.2V

AS7C1025A

–

1

–

1

–

1

5

mA

AS7C31025A

–

1

–

1

–

1

–

5

mA

Parameter

Symbol

Signals

Test conditions

Max

Unit

Input capacitance

CIN

A, CE, WE, OE

VIN = 0V

5

pF

I/O capacitance

CI/O

I/O

VIN = VOUT = 0V

7

pF

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