km4132g271b Samsung Semiconductor, Inc., km4132g271b Datasheet - Page 40

• Manufacturer Part Number: km4132g271b
• Description: 128k X 32bit X 2 Banks Synchronous Graphic Ram Lvttl
• Manufacturer: Samsung Semiconductor, Inc.

CLOCK
Read & Write Cycle with Auto Precharge III @Burst Length=4
KM4132G271B
(CL=3)
(CL=2)
ADDR
DQM
CKE
RAS
CAS
DQ
DQ
WE
DSF
CS
A9
A8
*Note :
0
Row Active
(A-Bank)
Ra
Ra
1
1. Any command to A-bank is not allowed in this period.
tRP is determined from at auto precharge start point
2
3
4
Auto Precharge
Read with
(A-Bank)
Ca
5
6
Qa0
7
*Note 1
Qa1
Qa0
Auto Precharge
8
Row Active
Start Point
(A-Bank)
(B-Bank)
Qa2
Qa1
- 40
Rb
Rb
9
HIGH
Qa3
Qa2
10
Auto Precharge
Qa3
Cb
Read with
(B-Bank)
11
12
Qb0
13
Qb1
Qb0
Auto Precharge
14
Start Point
(B-Bank)
Qb2
Qb1
15
Qb3
Qb2
Rev. 2.4 (May 1998)
CMOS SGRAM
16
Qb3
17
18
: Don t care
19