AS7C34098A Ver la hoja de datos (PDF) - Alliance Semiconductor

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componentes Descripción

Fabricante

AS7C34098A

3.3 V 256 K × 16 CMOS SRAM

Alliance Semiconductor 

AS7C34098A

®

Recommended operating conditions

Parameter

Supply voltage

Input voltage

commercial

Ambient operating temperature

industrial

***VVILIHmminax=

–1.0V

= VCC

for pulse width less than 5ns.

+ 2.0V for pulse width less than

5ns.

Symbol

VCC (10/12/15/20)

VIH**

VIL*

TA

TA

Min Typical Max Unit

3.0 3.3

3.6

V

2.0

– VCC + 0.5 V

–0.5 –

0.8

V

0

–

70

°C

–40 –

85

°C

DC operating characteristics (over the operating range)1

–10

–12

–15

–20

Parameter Symbol

Test conditions

Input leakage

current

|ILI|

VCC = Max

VIN = GND to VCC

Output leakage

current

|ILO|

VCC = Max

CE = VIH or OE = VIH

or WE = VIL

VI/O = GND to VCC

Operating

power supply

current

ICC

VCC = Max

Industrial

CE ≤ VIL, f = fmax IOUT = 0mA Commercial

ISB

Standby power

supply current

ISB1

Output voltage VOL

VOH

VCC = Max

CE ≥ VIH, f = Max

VCC = Max

CE ≥ VCC – 0.2V, VIN ≥ VCC – 0.2V or

VIN ≤ 0.2V, f = 0

IOL = 8 mA, VCC = Min

IOH = –4 mA, VCC = Min

Min Max Min Max Min Max Min Max Unit

– 1 – 1 – 1 – 1 µA

– 1 – 1 – 1 – 1 µA

– 180 – 160 – 140 – 110 mA

- 170 - 150 - 130 - 100 mA

– 60 – 60 – 60 – 60 mA

– 8 – 8 – 8 – 8 mA

– 0.4 – 0.4 – 0.4 – 0.4 V

2.4 – 2.4 – 2.4 – 2.4 – V

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

Parameter

Symbol

Signals

Input capacitance

I/O capacitance

CIN

A, CE, WE, OE, UB, LB

CI/O

I/O

Test conditions

VIN = 0V

VIN = VOUT = 0V

Max Unit

6

pF

8

pF

8/17/04,v. 2.1

Alliance Semiconductor

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