VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor

Part Name

Description

MFG CO.

VG4616321B

CMOS Synchronous Graphic RAM

Vanguard International Semiconductor 

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VIS

Preliminary

Figure 9.2 Random Column Read (Page within same Bank)

(Burst Length = 4, CAS Latency = 2)

VG4616321B/VG4616322B

262,144x32x2-Bit

CMOS Synchronous Graphic RAM

CLK

CKE

CS

T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22

t

CK2

RAS

CAS

WE

DSF

BS

A9

RAw

RAz

A0 ~ A8

RAw

CAW

CAx

CAy

RAz

CAz

DQM

DQ

Hi-Z

Aw0 Aw1 Aw2 Aw3 Ax0 Ax1 Ay0 Ay1 Ay2 Ay3

Az0 Az1 Az2 Az3

Activate

Read

Command Command

Bank A

Bank A

Read

Read

Command Command

Bank A Bank A

Precharge Activate Read

Command

Bank A

Command

Bank A

Command

Bank A

Document:1G5-0145

Rev.1

Page 40

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