HM6264BI 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HM6264BI

64k SRAM (8-kword × 8-bit) Wide Temperature Range version

Hitachi -> Renesas Electronics 

Pin Description

Pin name

A0 to A12

I/O1 to I/O8

CS1

CS2

WE

OE

NC

VCC

VSS

Function

Address input

Data input/output

Chip select 1

Chip select 2

Write enable

Output enable

No connection

Power supply

Ground

Block Diagram

A11

A8

A9

A7

A12

A5

A6

A4

I/O1

I/O8

CS2

CS1

WE

OE

Row

decoder

Memory array

256 × 256

Input

data

control

Column I/O

Column decoder

A1 A2 A0 A10 A3

Timing pulse generator

Read, Write control

HM6264BI Series

VCC

VSS

3

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