MD51V64405-50 Просмотр технического описания (PDF) - Oki Electric Industry

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MD51V64405-50

16,777,216-Word x 4-Bit DYNAMIC RAM : FAST PAGE MODE TYPE WITH EDO

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

MD51V64405

RAS

CAS

Timing

Generator

WE

OE

I/O

Controller

4

Output

Buffers

4

A0 - A10

Column

11 Address

Buffers

Internal

Address

Counter

Refresh

Control Clock

11 Column Decoders

4

Input

Buffers

4

Sense Amplifiers

I/O

4 Selector 4

A11R, A12R

11

2

Row

Address 13

Buffers

Row

Deco-

ders

Word

Drivers

Memory

Cells

DQ1 - DQ4

VCC

On Chip

VBB Generator

On Chip

IVCC Generator

VSS

3/15

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