VG4632321A Ver la hoja de datos (PDF) - Vanguard International Semiconductor

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VG4632321A

524,288x32x2-Bit CMOS Synchronous Graphic RAM

Vanguard International Semiconductor 

VIS

Block Diagram

Preliminary

VG4632321A

524,288x32x2-Bit

CMOS Synchronous Graphic RAM

CLK

CKE

CS

RAS

CAS

WE

DSF

CLOCK

BUFFER

COMMAND

DECODER

COLUMN

COUNTER

A8

A0

ADDRESS

BUFFER

A7

A9

A10

BS

REFRESH

COUNTER

CONTROL

SIGNAL

GENERATOR

MODE

REGISTER

SPECIAL

MODE

REGISTER

Column Decoder

2048 X 256 X 32

CELL ARRAY

(BANK #0)

Sense Amplifier

COLOR

REGISTER

MASK

REGISTER

DQs

BUFFER

DQM0~31

DQ0

|

DQ31

Sense Amplifier

2048 X 256 X 32

CELL ARRAY

(BANK #1)

Column Decoder

Document:

Rev.1

Page 2

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