MSM514800CSL Просмотр технического описания (PDF) - Oki Electric Industry

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MSM514800CSL

524,288-Word · 8-Bit DYNAMIC RAM : FAST PAGE MODE TYPE

Oki Electric Industry 

¡ Semiconductor

MSM514800C/CSL

BLOCK DIAGRAM

RAS

Timing

Generator

CAS

Timing

Generator

Column

9 Address

Buffers

A0 - A8

Internal

Address

Counter

Column

9 Decoders

Write

Clock

Generator

WE

OE

Refresh

Control Clock

Sense 8

Amplifiers

I/O

Selector

8

Output

Buffers

8

8

8 DQ1 - DQ8

8 Input 8

Buffers

9 Row

Address 10 Row Word

A9R 1 Buffers

De- Drivers

coders

Memory

Cells

VCC

On Chip

VBB Generator

VSS

3/16

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