ESMT
M52D16161A
Operation Temperature Condition -40°C~85°C
Mode Register Set Cycle
Auto Refresh Cycle
1
2
3
4
5
6
0
1
2
3
4
5
6
7
8
9
1 0
0
C L O C K
C K E
H I G H
H I G H
C S
* N o t e 2
t
R F C
R A S
*No t e 1
* No t e 3
C A S
Key
A D D R
R a
B A
D Q
H i - Z
H i - Z
W E
D Q M
M R S
N e w C o m m a n d
A u t o R e f r e s h
N e w C o m m a n d
: D o n ' t C a r 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 : Sep. 2009
Revision : 1.1 27/32
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
