HY62256ALR1 datasheet(6/9 Pages) HYNIX

Part #	HY62256ALR1

Description	32Kx8bit CMOS SRAM

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Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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TRUTH TABLE

/CS

/WE

/OE

MODE

I/O OPERATION

H

X

Standby

High-Z

L

H

Output Disabled

High-Z

L

H

L

Read

Data Out

L

X

Write

Data In

Note:

1. H=VIH, L=VIL, X=Don't Care

DC CHARACTERISTICS

Vcc = 5V ?% TA = 0°C to 70°C (Normal) / -40°C to 85°C (E.T.) unless otherwise

specified

Symbol

Parameter

Test Condition

Min Typ Max Unit

ILI

Input Leakage Current

Vss <= VIN <= Vcc

-1

-

1

uA

ILO

Output Leakage Current

Vss <= VOUT <= Vcc

/CS=VIH or

/OE=VIH or /WE =

VIL

-1

-

1

uA

Icc

Operating Power Supply

Current

/CS= VIL,

VIN=VIH or VIL, II/O=

0mA

-

30

50

mA

Icc1

Average Operating

Current

/CS = VIL

Min. Duty Cycle =

100%, II/O =0mA

-

40

70

mA

ISB

TTL Standby Current

(TTL Inputs)

/CS = VIH VIN = VIH

or VIL

-

0.4

2

mA

ISB1

CMOS

Standby

Current

(CMOS

Input)

HY62256A

/CS >= Vcc-

0.2V

VIN <= 0.2V or

VIN >=

VCC-0.2V

-

1

mA

L

-

2

100

uA

LL -

1

25

uA

HY62256A-I

-

1

mA

L

-

2

100

uA

VOL

Output Low Voltage

IOL= 2.1 mA

-

0.4

V

VOH

Output High Voltage

IOH = 1mA

2.4

-

V

Note: Typical values are at Vcc = 5.0V TA = 25°C

2 of 4

22/10/97 12:33

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http://www.hea.com/hean2/sram/62256ala1.htm

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