Pin Description

Pin No.

Pin Name

I/O

Description

8~1,

23, 22, 19

A0~A7

A8, A9, A10

I

Address inputs

9~11

13~17

D0~D2

D3~D7

I/O

Data inputs and outputs

12

VSS

I

Negative power supply, usually connected to the ground

18

CS

I

Chip select signal pin

When this signal is high, the chip is in the standby mode. The

chip is in the active mode, if CS is low.

20

OE

I

Output enable signal pin

21

WE

I

Write enable signal pin

24

VDD

I

Positive power supply

Absolute Maximum Ratings*

Supply Voltage ............................–0.3V to +7.0V

Storage Temperature...............–50

°C to +125°C

Operating Temperature.............–40

°C to +85°C

*Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent

damage to the device. These are stress ratings only. Functional operation of this device at

these or any other conditions above those indicated in the operational sections of this

specification is not implied and exposure to absolute maximum rating conditions for extended

periods may affect device reliability.

D.C. Characteristics

(Ta=25°C)

Symbol

Parameter

Test Conditions

Min.

Typ. Max.

Unit

Conditions

Operating Voltage

—

—

4.5

5.0

5.5

V

Input Leakage Current

5V

—0.1

10

µA

Output Leakage Current

5V

—0.1

10

µA

Operating Current

5V

µs.

—45

90

mA

5V

µs.

—80

90

mA

Standby Current

5V

(TTL Input)

—

0.8

1.5

mA

5V

(CMOS Input)

—0.1

3

µA

HT6116-70

2

3rd July ’97