參數(shù)資料
型號: UPD45128441
廠商: NEC Corp.
英文描述: 128M-bit Synchronous DRAM 4-bank, LVTTL
中文描述: 128兆位同步DRAM 4銀行,LVTTL
文件頁數(shù): 24/92頁
文件大?。?/td> 1107K
代理商: UPD45128441
Data Sheet M12650EJBV0DS00
24
μ
PD45128441, 45128841, 45128163
8. Address Bits of Bank-Select and Precharge
A11
A10
A9
A8
A7
A6
A4
A5
A3
A2
A1
A0
Row
(Activate command)
A11
A10
A9
A8
A7
A6
A4
A5
A3
A2
A1
A0
(Precharge command)
disables Auto-Precharge
(End of Burst)
enables Auto-Precharge
(End of Burst)
0
1
x
A10
A9
A8
A7
A6
A4
A5
A3
A2
A1
A0
Col.
(/CAS strobes)
x : Don’t care
Select Bank A
“Activate” command
Select Bank B
“Activate” command
Select Bank C
“Activate” command
Select Bank D
“Activate” command
0
0
1
1
0
1
0
1
BA1(A12) BA0(A13)
BA1(A12) BA0(A13)
BA1(A12) BA0(A13)
0
0
1
1
x
Result
enables Read/Write
commands for Bank A
enables Read/Write
commands for Bank B
enables Read/Write
commands for Bank C
enables Read/Write
commands for Bank D
0
0
1
1
0
1
0
1
Result
Result
Precharge Bank A
Precharge Bank B
Precharge Bank C
Precharge Bank D
Precharge All Banks
A10
0
0
0
0
1
0
1
0
1
x
BA1
(A13)
BA1
(A13)
BA1
(A13)
相關(guān)PDF資料
PDF描述
UPD45128441G5-A75-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128441G5-A80 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128441G5-A80-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128841 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128841G5-A75-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
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