參數(shù)資料
型號: IC42S16800-8TI(G)
英文描述: 4(2)M x 8(16) Bits x 4 Banks (128-MBIT) SYNCHRONOUS DYNAMIC RAM
中文描述: 4(2)M中的x 8(16)位× 4銀行(128 - Mbit的)同步動態(tài)RAM
文件頁數(shù): 19/69頁
文件大小: 1118K
代理商: IC42S16800-8TI(G)
IC42S81600/IC42S81600L
IC42S16800/IC42S16800L
Integrated Circuit Solution Inc.
DR023-0E 6/11/2004
19
Address Bits of Bank-Select and Precharge
A12
0
A13
0
Result
Select Bank A
“Activate “ command
Select Bank B
“Activate” command
Select Bank C
“Activate” command
Select Bank D
“Activate” command
0
1
1
0
1
1
0
1
Disable Auto-Precharge (End of Burst)
Enable Auto - Precharge (End of Burst)
(Activate command)
A0 A1
A2
A3
A4
A5
A6
A7
A8
A9 A10 A11 A12 A13
A10
0
0
0
0
1
A12 A13 Result
0
0
0
1
1
0
1
1
X
X
Precharge Bank A
Precharge Bank B
Precharge Bank C
Precharge Bank D
Precharge All Banks
A12
0
A13
0
Result
Enable Read/Write
commands for Bank A
Enable Read/Write
commands for Bank B
Enable Read/Write
commands for Bank C
Enable Read/Write
commands for Bank D
0
1
1
0
1
1
Row
(Precharge command)
A0 A1
A2
A3
A4
A5
A6
A7
A8
A9 A10 A11 A12 A13
Row
(CAS strobes)
A0 A1
A2
A3
A4
A5
A6
A7
A8
A9 A10 A11 A12 A13
Co1.
X: Don't care
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