MSM514400DL-60 Просмотр технического описания (PDF) - Oki Electric Industry

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MSM514400DL-60

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

Oki Electric Industry 

¡ Semiconductor

MSM514400D/DL

BLOCK DIAGRAM

RAS

Timing

Generator

CAS

Timing

Generator

Column

10 Address

Buffers

A0 - A9

Internal

Address

Counter

Column

10 Decoders

Write

Clock

Generator

WE

OE

Refresh

Control Clock

Sense 4

Amplifiers

I/O

Selector

4 Output 4

Buffers

4

4 DQ1 - DQ4

4 Input 4

Buffers

Row

10 Address 10 Row

Buffers

De-

coders

Word

Drivers

Memory

Cells

VCC

On Chip

VBB Generator

VSS

3/17

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