LH5268A datasheet(3/10 Pages) SHARP

Part #	LH5268A

Description	CMOS 64K (8K x 8) Static RAM

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Manufacturer	SHARP [Sharp Corporation]

Direct Link	http://sharp-world.com/

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3 / 10 page

TRUTH TABLE

CE1

CE2

WE

OE

MODE

I/O1 - I/O8

SUPPLY CURRENT

NOTE

H

X

Deselect

High-Z

Standby (ISB)1

X

L

X

Deselect

High-Z

Standby (ISB)1

L

H

L

X

Write

DIN

Operating (ICC)1

L

H

L

Read

DOUT

Operating (ICC)

L

H

Output disable

High-Z

Operating (ICC)

NOTE:

1.

X = H or L

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATING

UNIT

NOTE

Supply voltage

VCC

-0.3 to +7.0

V

1

Input voltage

VIN

-0.3 to VCC + 0.3

V

1,2

Operating temperature

Topr

0 to +70

°C

Storage temperature

Tstg

-65 to +150

°C

NOTES:

1.

The maximum applicable voltage on any pin with respect to GND.

2.

VIN (MIN.) = -3.0 V for pulse width ≤50 ns.

RECOMMENDED OPERATING CONDITIONS (TA = 0 to +70°C)

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

NOTE

Supply voltage

VCC

4.5

5.0

5.5

V

Input voltage

VIH

2.2

VCC + 0.3

V

VIL

-0.3

0.8

V

1

NOTE:

1.

VIN (MIN.) = -3.0 V for pulse width ≤50 ns.

DC CHARACTERISTICS (TA = 0 to +70°C, VCC = 5 V ±10%)

PARAMETER

SYMBOL

CONDITIONS

MIN.

MAX.

UNIT

NOTE

Input leakage

current

ILI

VIN = 0 to VCC

-1

1

µA

Output leakage

current

ILO

CE1 = VIH or CE2 = VIL

or OE = VIH or WE = VIL

VI/O = 0 V to VCC

-1

1

µA

Operating current

ICC

CE1 = VIL, VIN = VIL or VIH

CE2 = VIH, II/O = 0 mA

tCYCLE =

100 ns

40

mA

CE1 = 0.2 V, VIN = 0.2 V or

VCC - 0.2 V

CE2 = VCC - 0.2 V, II/O = 0 mA

tCYCLE =

1.0

µs

10

Standby current

ISB1

CE1 = VIH or CE2 = VIL

3mA

ISB

CE2

≤ 0.2 V or

CE1

≥ VCC - 0.2 V

40

µA

1

Output voltage

VOL

IOL = 2.1 mA

0.4

V

VOH

IOH = -1

.0 mA

2.4

V

NOTE:

1.

CE2 should be ≥ VCC - 0.2 V or ≤ 0.2 V when CE1 ≥ VCC - 0.2 V.

CMOS 64K (8K

× 8) Static RAM

LH5268A

3

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