HT23C512(1998) Ver la hoja de datos (PDF) - Holtek Semiconductor

Número de pieza

componentes Descripción

Fabricante

HT23C512
(Rev.:1998)

CMOS 64K×8-Bit Mask ROM

Holtek Semiconductor 

Pin Assignment

HT23C512

Pin Description

Pin Name

A0~A15

D0~D7

CE/CE/OE1/OE1

OE/OE/NC

VSS

VDD

I/O

Description

I

Address inputs

O

Data outputs

I

Chip enable/Output enable input

I

Output enable input

I

Negative power supply

I

Positive power supply

Operation Truth Table

Mode

Read

Deselect

Standby

CE/CE

H/L

H/L

L/H

Note: H=VIH, L=VIL, X=VIH or VIL

OE/OE

H/L

L/H

X

A0~A15

Valid

X

X

D0~D7

Data Out

High Z

High Z

2

24th Aug ’98

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