IC61C256AH-20N datasheet(4/9 Pages) ICSI

Part #	IC61C256AH-20N

Description	32K x 8 HIGH-SPEED CMOS STATIC RAM

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Manufacturer	ICSI [Integrated Circuit Solution Inc]

Direct Link	http://www.icsi.com.tw

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4 / 9 page

IC61C256AH

4

Integrated Circuit Solution Inc.

AHSR010-0D 4/19/2002

POWER SUPPLY CHARACTERISTICS(1) (Over Operating Range)

-10

-12

-15

-20

-25

Sym. Parameter

TestConditions

Min. Max.

Unit

ICC

Vcc Dynamic Operating

VCC = Max.,

CE = VIL Com.

— 145

— 135

— 125

— 120

mA

Supply Current

IOUT = 0 mA, f = fMAX

Ind.

— 180

— 170

— 160

— 150

— 140

ISB1

TTL Standby Current

VCC = Max.,

Com.

— 25

mA

(TTL Inputs)

VIN = VIH or VIL

Ind.

— 30

CE

≥VIH, f = 0

ISB2

CMOS Standby

VCC = Max.,

Com.

—

2

—

2

—

2

—

2

—

2

mA

Current (CMOS Inputs)

CE

≥ VCC – 0.2V,

Ind.

— 10

VIN

≥ VCC – 0.2V, or

VIN

≤ 0.2V, f = 0

Notes:

1. At f = fMAX, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.

DC ELECTRICAL CHARACTERISTICS (Over Operating Range)

Symbol Parameter

Test Conditions

Min.

Max.

Unit

VOH

Output HIGH Voltage

VCC = Min., IOH = –4.0 mA

2.4

—

V

VOL

Output LOW Voltage

VCC = Min., IOL = 8.0 mA

—

0.4

V

VIH

Input HIGH Voltage(1)

2.2

VCC + 0.5

V

VIL

Input LOW Voltage(2)

–0.5

0.8

V

ILI

Input Leakage

GND

≤ VIN ≤ VCC

Com.

–5

5

µA

Ind.

–10

10

ILO

Output Leakage

GND

≤ VOUT ≤ VCC,

Com.

–5

5

µA

Outputs Disabled

Ind.

–10

10

Notes:

1. VIH=VCC +3.0V for pulse width less than 10ns.

2. VIL = –3.0V for pulse width less than 10 ns.

CAPACITANCE(1,2)

Symbol

Parameter

Conditions

Max.

Unit

CIN

Input Capacitance

VIN = 0V

8

pF

COUT

Output Capacitance

VOUT = 0V

10

pF

Notes:

1. Tested initially and after any design or process changes that may affect these parameters.

2. Test conditions: TA = 25°C, f = 1 MHz, Vcc = 5V.

OPERATING RANGE

Range

Ambient Temperature

Speed

VCC

Commercial

0°C to +70°C

-10, -12

5V, ± 5%

-15, -20

5V ± 10%

Industrial

–40°C to +85°C

-12

5V ± 5%

-15, -20, -25

5V± 10%

Notes:

1. 8 ns is preliminary.

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