參數(shù)資料
型號: VG4632321AQ-7
廠商: VANGUARD INTERNATIONAL SEMICONDUCTOR CORP
元件分類: 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
文件頁數(shù): 72/81頁
文件大小: 1965K
代理商: VG4632321AQ-7
Document:
Rev.1
Page 47
VIS
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
Figure 21. Burst Read and Single Write Operation (Burst Length = 4, CAS Latency = 2)
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
CS
RAS
CAS
WE
Activate
Command
Bank A
Hi-Z
tCK2
BS
DSF
DQM0
DQM1~3
DQ0 - DQ7
DQ8 - DQ31
Bank A
Read
ower Byte
is masked
ower Byte
is masked
High
RAx
RAx
CAx
CAw
CAy
CAz
Ax0
Ay1
Ay3
Az0
Ax1
Ax2
Ax3
DQw0
DQx0
Ay0
Az0
DQw0
Ay3
Ay2
Ax0
Ay0
pptr 3 Bytes
is masked
Bank A
Read
Single Write
Bank A
Command
Single Write
Bank A
Command
Single Write
Bank A
Command
CAx
Hi-Z
Ax1
Ax2
Ax3
A9
A0 ~ A8
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