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

VG4616321B/VG4616322B

262,144x32x2-Bit

CMOS Synchronous Graphic RAM

Figure 26.3 Precharge Termination of a Burst

(Burst Length = 4, 8 or Full page, CAS Latency = 3)

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

CLK

CKE

t

CK3

High

CS

RAS

CAS

WE

DSF

BS

A9

RAx

RAy

RAz

A0 ~ A8

RAx

CAx

RAy

CAy

tWR

tRP

DQM

DQ

DAx0 DAx1

Activate

Command

Bank A

Write

Precharge

Command Command

Bank A Bank A

Activate

Command

Bank A

Write Data

is masked

Precharge Termination

of a Write Burst

Read

Command

Bank A

RAz

t

RP

Ay0 Ay1 Ay2

Precharge

Command

Activate

Command

Bank A

Precharge Termination

of a Write Burst

Bank A

Document:1G5-0145

Rev.1

Page 80

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