k4s643232c Samsung Semiconductor, Inc., k4s643232c Datasheet - Page 25

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

BA
CLOCK
K4S643232C
Single Bit Read-Write-Read Cycle(Same Page) @CAS Latency=3, Burst Length=1
0
A
ADDR
~ BA
10
DQM
CKE
RAS
CAS
/AP
WE
DQ
CS
1
0
Row Active
tSH
tSH
tSS
tSS
*Note 2
Ra
Ra
BS
1
*Note 1
tRCD
2
tCC
3
tRAC
tSH
tSS
*Note 2,3
*Note 3
Read
Ca
BS
tCH
4
tCL
tRAS
tRC
tSLZ
tSAC
5
6
Qa
tOH
7
tSS
8
tSH
tSH
tSS
tSS
*Note 2,3
HIGH
Write
*Note 3
Cb
BS
Db
9
- 25
tSS
tSH
tCCD
tSH
10
*Note 2,3 *Note 4
Read
*Note 3
Cc
BS
11
Precharge
*Note 4
BS
12
13
tRP
Qc
14
Row Active
*Note 2
Rb
BS
Rb
15
REV. 1.1 Nov. '99
CMOS SDRAM
16
17
18
: Don't care
19