ESMT
M12L64164A
Elite Semiconductor Memory Technology Inc.
Publication Date: May 2008
Revision: 3.3
30/46
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
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