HT6116 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT6116

CMOS 2K × 8-Bit SRAM

Holtek Semiconductor 

HT6116-70

Pin Description

Pin No.

8~1,

23, 22, 19

9~11

13~17

12

Pin Name

A0~A7

A8, A9, A10

D0~D2

D3~D7

VSS

18

CS

20

OE

21

WE

24

VDD

I/O

I Address inputs

Description

I/O Data inputs and outputs

I Negative power supply, usually connected to the ground

Chip select signal pin

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

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

I Output enable signal pin

I Write enable signal pin

I Positive power supply

Absolute Maximum Ratings*

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

Input Voltage................. VSS–0.3V to VDD+0.3V

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

VDD

Conditions

VDD Operating Voltage

—

—

ILI

Input Leakage Current 5V VIN=0 to VDD

ILO

Output Leakage Current 5V VO=0 to VDD

IDD

Operating Current

5V

VIH=2.2V, VIL=0.8V

In write mode, tWC=1µs.

5V

VIH=2.2V, VIL=0.8V

In read mode, tRC=1µs.

ISTB Standby Current

5V

VIH=2.2V, VIL=0.8V

(TTL Input)

5V

VIH=4.8V, VIL=0.2V

(CMOS Input)

Min.

4.5

—

—

—

—

—

—

Typ. Max.

5.0 5.5

0.1 10

0.1 10

45 90

80 90

0.8 1.5

0.1 3

Unit

V

µA

µA

mA

mA

mA

µA

2

3rd July ’97

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