VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor

Part Name

Description

MFG CO.

VG4616321B

262,144x32x2-Bit CMOS Synchronous Graphic RAM

Vanguard International Semiconductor  

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VIS

CLK

CKE

CS

RAS

T0

T1

tCK2

Preliminary

T2

T3

T4

T5

Clock min

VG4616321B/VG4616322B

262,144x32x2-Bit

CMOS Synchronous Graphic RAM

T6

T7

T8

T9

T10

CAS

WE

DSF

BS

A9

A0-A8

DQM

DQ Hi-Z

Address key

tRP

PrechargeAll

Mode Register Any

Set Command Command

Mode Register Set Cycle (CAS Latency = 1, 2, 3)

The mode register is divided into various fields depending on functionality.

• Burst Length Field (A2~A0)

This field specifies the data length of column access using the A2~A0 pins and selects the

Burst Length to be 1, 2, 4, 8, or full page.

A2

A1

A0

0

0

0

0

0

1

0

1

0

0

1

1

1

0

0

1

0

1

1

1

0

1

1

1

Burst Length

1

2

4

8

Reserved

Reserved

Reserved

Full Page

Document:1G5-0145

Rev.1

Page 16

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