VG4616321B View Datasheet(PDF) - Vanguard International Semiconductor
Part Name
Description
MFG CO.
'VG4616321B' PDF : 82 Pages View PDF
VIS
Preliminary
VG4616321B/VG4616322B
262,144x32x2-Bit
CMOS Synchronous Graphic RAM
Figure 2. AC Parameters for Read Timing (Burst Length = 2, CAS Latency = 2)
CLK
CKE
CS
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13
tCH tCL
tIS
tCK2
tIS
tIH
Begin
Auto Precharge
Bank B
tIH
RAS
CAS
WE
DSF
BS
A9
A0 ~ A8
DQM
DQ
Hi-Z
Document:1G5-0145
tIH
RAx
RBx
RAy
tIS
RAx
CAx
RBx
CBx
RAy
tRRD
tRAS
tRC
tRCD
tAC2 tAC2
tHZ
tLZ
tOH
Ax0
Ax1
tRP
Bx0
Bx1
Activate
Command
Bank A
Read
Command
Bank A
Activate
Command
Bank B
Read with
Auto Precharge
Command
Bank B
Precharge
Command
Bank A
Activate
Command
Bank A
Rev.1
Page 28
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