m52s32321a Elite Semiconductor Memory Technology Inc., m52s32321a Datasheet - Page 20

• Manufacturer Part Number: m52s32321a
• Description: 512k X 32bit X 2banks Synchronous Dram
• Manufacturer: Elite Semiconductor Memory Technology Inc.

ESMT
Clock Suspension & DQM Operation Cycle @CAS Latency=2, Burst Length=4
C L O C K
*Note:1.DQM is needed to prevent bus contention.
Elite Semiconductor Memory Technology Inc.
A 1 0 / A P
A D D R
D Q M
C K E
R A S
C A S
B A
D Q
W E
C S
0
R o w A c t i v e
R a
R a
1
2
3
R e a d
C a
4
5
Q a0
S u s p e n s i o n
6
C l o c k
Q a 1
7
Q a2
8
9
Q a3
t
10
S H Z
R e a d
C b
11
12
Q b 0
R e a d D Q M
13
* N o t e 1
Q b1
t
S H Z
14
Revision : 1.5
Publication Date : Jan. 2009
M52S32321A
15
W r i t e
D c 0
C c
16
W r i t e
D Q M
17
S u s p e n s i o n
C l o c k
D c 2
18
20/29
19
: D o n ' t C a r e
W r i t e
D Q M