k4s643232c Samsung Semiconductor, Inc., k4s643232c Datasheet - Page 36

• Manufacturer Part Number: k4s643232c
• Description: 2m X 32 Sdram 512k X 32bit X 4 Banks Synchronous Dram Lvttl
• Manufacturer: Samsung Semiconductor, Inc.

CLOCK
K4S643232C
Clock Suspension & DQM Operation Cycle @CAS Latency=2, Burst Length=4
A
ADDR
10
DQM
CKE
RAS
CAS
/AP
BA
BA
WE
DQ
CS
0
1
*Note : 1. DQM is needed to prevent bus contention.
0
Row Active
Ra
Ra
1
2
Read
Ca
3
4
Qa0
5
Suspension
Clock
Qa1
6
7
Qa2
8
Qa3
tSHZ
9
- 36
Read
Cb
10
11
Qb0
12
Read DQM
*Note 1
Qb1
tSHZ
13
14
Write
Dc0
Cc
15
Write
DQM
REV. 1.1 Nov. '99
CMOS SDRAM
16
Suspension
Clock
Dc2
17
18
: Don't care
Write
DQM
19