HM624100HLJP-15 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM624100HLJP-15

4M High Speed SRAM (1-Mword × 4-bit)

Hitachi -> Renesas Electronics 

Pin Description

Pin name

A0 to A19

I/O1 to I/O4

CS

OE

WE

VCC

VSS

NC

Function

Address input

Data input/output

Chip select

Output enable

Write enable

Power supply

Ground

No connection

HM624100H Series

Block Diagram

(LSB)

A1

A17

A7

A11

A16

A2

A6

A5

(MSB)

I/O1

.

.

.

I/O4

WE

CS

Row

decoder

Memory matrix

256 rows × 16 columns ×

256 blocks × 4 bit

(4,194,304 bits)

Internal

voltage

generater

VCC

VSS

CS

Input

data

control

Column I/O

Column decoder

CS

A10 A8 A9 A19 A12 A13 A14 A0 A18 A15 A3 A4

(LSB)

(MSB)

OE

CS

3

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