參數(shù)資料
型號(hào): VG4632321AQ-7
廠(chǎng)商: VANGUARD INTERNATIONAL SEMICONDUCTOR CORP
元件分類(lèi): DRAM
英文描述: 524,288x32x2-Bit CMOS Synchronous Graphic RAM
中文描述: 1M X 32 SYNCHRONOUS GRAPHICS RAM, 6 ns, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 64/81頁(yè)
文件大小: 1965K
代理商: VG4632321AQ-7
Document:
Rev.1
Page 39
VIS
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
Figure 17.3. Auto Precharge after Write Burst (Burst Length = 4, CAS Latency = 3)
BS
A9
DQM
A0 ~ A8
DQ
tCK3
DSF
High
RAx
CAx
CBx
RBx
RBy
CBy
Hi-Z
DAx1 DAx2
DAx3 DBx0 DBx1 DBx2 DBx3 DAy0 DAy1 DAy2 DAy3
DBy0 DBy1 DBy2 DBy3
DAx0
Write with
A Command
Bank A
Activate
Command
Bank B
Write
Command
Bank A
Write with
A Command
Bank B
Activate
Command
Bank A
Activate
Bank B
Write with
A Command
Bank B
RAx
RBx
RBy
CAy
CLK
CKE
CS
RAS
CAS
WE
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