k4s160822d Samsung Semiconductor, Inc., k4s160822d Datasheet - Page 39

• Manufacturer Part Number: k4s160822d
• Description: 2mx8 Sdram 1m X 8bit X 2 Banks Synchronous Dram Lvttl
• Manufacturer: Samsung Semiconductor, Inc.

CLOCK
KM48S2120D
Clock Suspension & DQM Operation Cycle @CAS Latency=2, Burst Length=4
A
ADDR
10
DQM
CKE
RAS
CAS
/AP
WE
DQ
CS
BA
*Note : 1. DQM is needed to prevent bus contention.
Row Active
0
Ra
Ra
1
2
Read
Ca
3
4
Qa0
Suspension
5
Clock
Qa1
6
Qa2
7
8
Qa3
- 39
tSHZ
9
Read
Cb
10
11
Qb0
12
Read DQM
*Note 1
Qb1
tSHZ
13
14
Write
Dc0
Cc
15
Write
DQM
CMOS SDRAM
Rev.1.0 (Mar. 1999)
16
Suspension
Clock
Dc2
17
18
: Don't care
Write
DQM
19