AS7C4098-12TC datasheet(3/10 Pages) ALSC

Part #	AS7C4098-12TC

Description	5V/3.3V 256K x 16 CMOS SRAM

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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3 / 10 page

®

AS7C4098

AS7C34098

1/13/05; v.1.9

Alliance Semiconductor

P. 3 of 10

Recommended operating conditions

Parameter

Symbol

Min Typical

Max

Unit

Supply voltage

AS7C4098

VCC (12/15/20)

4.5

5.0

5.5

V

AS7C34098

VCC (10)

3.15

3.3

3.6

V

AS7C34098

VCC (12/15/20)

3.0

3.3

3.6

V

Input voltage

AS7C4098

VIH

2.2

–

VCC + 0.5 V

AS7C34098

VIH

2.0

–

VCC + 0.5 V

VIL1

1 VIL min = –1.0V for pulse width less than 5ns.

–0.5

–

0.8

V

Ambient operating temperature

commercial

TA

0–

70

°C

industrial

TA

–40

–

85

°C

DC operating characteristics (over the operating range)1

Parameter

Symbol

Test conditions

–10

–12

–15

–20

Unit

Min Max Min Max Min Max Min Max

Input leakage

current

|ILI|

VCC = Max

VIN = GND to VCC

AS7C4098/

AS7C34098

–

1

–

1

–

1–1

µA

Output leakage

current

|ILO|

VCC = Max

CE = VIH or OE = VIH

or WE = VIL

VI/O = GND to VCC

AS7C4098/

AS7C34098

–

1

–

1

–

1–1

µA

Operating

power supply

current

ICC

VCC = Max

Min cycle, 100% duty

CE = VIL, IOUT = 0mA

AS7C4098

–

250

–

220

–

180 mA

AS7C34098

–

160

–

130

–

110

–

100 mA

Standby power

supply current

ISB

VCC = Max

CE = VIH, f = Max

AS7C4098

–

60

–

60

–

60

mA

AS7C34098

–

60

–

60

–

60

–

60

mA

ISB1

VCC = Max

CE

≥ VCC – 0.2V, VIN ≥ VCC

– 0.2V or VIN ≤ 0.2V, f = 0

AS7C4098

–

20

–

20

–

20

mA

AS7C34098

–

20

–

20

–

20

–

20

mA

Output voltage

VOL

IOL = 8 mA, VCC = Min

AS7C4098/

AS7C34098

–

0.4

–

0.4

–

0.4

–

0.4

V

VOH

IOH = –4 mA, VCC = Min

2.4

–

2.4

–

2.4

–

2.4

–

V

Capacitance (f = 1MHz, Ta = 25° C, VCC = NOMINAL)2

Parameter

Symbol

Signals

Test conditions

Max

Unit

Input capacitance

CIN

A, CE, WE, OE, UB, LB

VIN = 0V

6

pF

I/O capacitance

CI/O

I/O

VIN = VOUT = 0V

8

pF

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AS7C4098-12TC Datasheet(PDF) 3 Page - Alliance Semiconductor Corporation

AS7C4098-12TC Datasheet(HTML) 3 Page - Alliance Semiconductor Corporation

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