參數(shù)資料
型號(hào): M12S128168A
廠商: Elite Semiconductor Memory Technology Inc.
英文描述: 2M x 16 Bit x 4 Banks Synchronous DRAM
中文描述: 200萬× 16位× 4個(gè)銀行同步DRAM
文件頁數(shù): 29/44頁
文件大?。?/td> 967K
代理商: M12S128168A
ES MT
Note :
1. All input expect CKE & DQM can be don’t care when CS is high at the CLK high going edge.
2. Bank active @ read/write are controlled by BA0~BA1.
BA0
BA1
Active & Read/Write
M12S128168A
Elite Semiconductor Memory Technology Inc.
Revision
:
1.0
Publication Date
:
Nov. 2006
29/44
0
0
Bank A
0
1
Bank B
1
0
Bank C
1
1
Bank D
3. Enable and disable auto precharge function are controlled by A10/AP in read/write command
A10/AP
BA0
BA1
Operating
0
0
Disable auto precharge, leave A bank active at end of burst.
0
1
Disable auto precharge, leave B bank active at end of burst.
1
0
Disable auto precharge, leave C bank active at end of burst.
0
1
1
Disable auto precharge, leave D bank active at end of burst.
0
0
Enable auto precharge , precharge bank A at end of burst.
0
1
Enable auto precharge , precharge bank B at end of burst.
1
0
Enable auto precharge , precharge bank C at end of burst.
1
1
1
Enable auto precharge , precharge bank D at end of burst.
4. A10/AP and BA0~BA1 control bank precharge when precharge is asserted.
A10/AP
BA0
BA1
Precharge
0
0
0
Bank A
0
0
1
Bank B
0
1
0
Bank C
0
1
1
Bank D
1
X
X
All Banks