UTRON

UT621024

Rev. 1.5

128K X 8 BIT LOW POWER CMOS SRAM

________________________________________________________________________________________________

UTRON TECHNOLOGY INC.

P80036

1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.

TEL: 886-3-5777882 FAX: 886-3-5777919

2



ABSOLUTE MAXIMUM RATINGS*

PARAMETER

SYMBOL

RATING

UNIT

Terminal Voltage with Respect to Vss

-0.5 to +7.0

V

Operating Temperature

0 to +70

℃

Storage Temperature

-65 to +150

℃

Power Dissipation

1

W

DC Output Current

50

mA

Soldering Temperature (under 10 sec)

260

℃

*Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This

is a stress rating only and functional operation of the device or any other conditions above those indicated in the

operational sections of this specification is not implied. Exposure to the absolute maximum rating conditions for extended

period may affect device reliability.

TRUTH TABLE

MODE

1

CE

CE2

OE

WE

I/O OPERATION

SUPPLY CURRENT

Standby

H

X

X

X

High - Z

Standby

X

L

X

X

High -Z

Output Disable

L

H

H

H

High - Z

Read

L

H

L

H

Write

L

H

X

L

PARAMETER

SYMBOL TEST CONDITION

MIN. TYP.

MAX.

UNIT

Input High Voltage

2.2

-

V

Input Low Voltage

- 0.5

-

0.8

V

Input Leakage Current

- 1

-

1

µA

1

- 1

-

1

µA

Output High Voltage

2.4

-

-

V

Output Low Voltage

-

-

0.4

V

Cycle time=min, 100% duty,

1

-35

-55

-70

-

-

-

60

50

40

100

85

70

mA

mA

mA

Average Operating

Power Supply Courrent

.

1

-

-

10

mA

1

-

-

3

mA

100

- L

-

2

40*

µA

50

Standby Power

Supply Current

1

-

LL

-

1

15*

µA

*Those parameters are for reference only under 50℃