ESMT
M12S16161A
Mode Register Set Cycle
Auto Refresh Cycle
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
10
0
C L O C K
H I G H
H I G H
C K E
C S
*Note 2
tR C
RA S
*Note1
*Note 3
CA S
Key
A D D R
R a
D Q
W E
H i - Z
H i - Z
D Q M
M R S
New C om m a n d
Auto Ref res h
New C om m a n d
:D on ' t C ar e
*Both banks precharge should be completed before Mode Register Set cycle and auto refresh cycle.
MODE REGISTER SET CYCLE
*Note: 1. CS ,RAS , CAS & WE activation at the same clock cycle with address key will set internal mode register.
2.Minimum 2 clock cycles should be met before new RAS activation.
3.Please refer to Mode Register Set table.
Elite Semiconductor Memory Technology Inc.
Publication Date : Jul. 2007
Revision : 1.2 25/28
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
