參數(shù)資料
型號(hào): EDS1232AABB
廠商: Elpida Memory, Inc.
英文描述: 128M bits SDRAM
中文描述: 128兆位內(nèi)存
文件頁(yè)數(shù): 26/55頁(yè)
文件大?。?/td> 564K
代理商: EDS1232AABB
EDS1232CABB, EDS1232CATA
Preliminary Data Sheet E0247E40 (Ver. 4.0)
26
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
BA0
BA1
BA0
BA1
BA0
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