MSM51V4400E データシートの表示（PDF） - Oki Electric Industry

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MSM51V4400E

1,048,576-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE

Oki Electric Industry 

BLOCK DIAGRAM

FEDD51V4400E-01

MSM51V4400E

RAS

CAS

Timing

Generator

Timing

Generator

A0-A9

Column

10 Address

Buffers

Internal

Address

Counter

Refresh

Control Clock

10

Column

decoders

Sense Amplifiers

Write

Clock

Generator

WE

OE

Output

4 Buffers 4

I/O

4 Selector 4

4

Input

4 Buffers 4

DQ1-DQ4

Row

10 Address 10 Row

Buffers

De-

coders

Word

Drivers

Memory

Cells

VCC

On Chip

VBB Generator

VSS

3/14

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