參數(shù)資料
型號(hào): VG4632321AQ-7
廠商: 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): 15/81頁(yè)
文件大?。?/td> 1965K
代理商: VG4632321AQ-7
Document:
Rev.1
Page 15
VIS
Preliminary
VG4632321A
524,288x32x2-Bit
CMOS Synchronous Graphic RAM
T0
T1
T2
T3
T4
T5
T6
T7
T8
T10
T9
t
CK
2
Clock min
CKE
CLK
CS
RAS
CAS
WE
DSF
BS
A8
A0-A7,
A9,A10
DQM
DQ
Address key
Hi-Z
t
RP
PrechargeAll
Mode Register
Set Command
Any
Command
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
0
0
0
0
1
1
1
1
A1
0
0
1
1
0
0
1
1
A0
0
1
0
1
0
1
0
1
Burst Length
1
2
4
8
Reserved
Reserved
Reserved
Full Page
Mode Register Set Cycle (
CAS
Latency = 1, 2, 3)
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