VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor

Part Name

Description

MFG CO.

VG4616321B

CMOS Synchronous Graphic RAM

Vanguard International Semiconductor 

Prev 51 52 53 54 55 56 57 58 59 60 Next

VIS

Preliminary

VG4616321B/VG4616322B

262,144x32x2-Bit

CMOS Synchronous Graphic RAM

Figure 14.3. Interleaved Column Read Cycle (Burst Length = 4, CAS Latency = 3)

CLK

CKE

CS

RAS

CAS

WE

DSF

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

tCK3

BS

A9

RAx

A0 ~ A8

RAx

RBx

CAx RBx

CBx

CBy

CBz

CAy

DQM

tRCD

DQ

Hi-Z

tAC3

Ax0 Ax1 Ax2 Ax3 Bx0 Bx1 By0 By1 Bz0 Bz1 Ay0 Ay1 Ay2 Ay3

Activate

Command

Bank A

Read

Command

Bank A

Activate

Command

Bank B

Read

Command

Bank B

Read

Command

Bank B

Read

Command

Bank B

Read Precharge Precharge

Command Command Command

Bank A

Bank B

Bank A

Document:1G5-0145

Rev.1

Page 56

Share Link: