km4132g271b Samsung Semiconductor, Inc., km4132g271b Datasheet - Page 38

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

KM4132G271B
CLOCK
Read & Write Cycle with Auto Precharge I @Burst Length=4
(CL=3)
(CL=2)
ADDR
DQMi
CKE
RAS
CAS
DSF
DQ
DQ
WE
CS
A
A
9
8
*Note :
0
Row Active
(A-Bank)
RAa
RAa
1
1.
t
(In the case of Burst Length=1 & 2, BRSW mode and Block write)
RCD
2
should be controlled to meet minimum
3
Row Active
(B-Bank)
RBb
RBb
4
Auto Precharge
Read with
CAa
(A-Bank)
5
6
QAa0
7
QAa1
QAa0
Auto Precharge
8
t
Start Point
RAS
(A-Bank)
QAa2
QAa1
- 38
before internal precharge start.
9
HIGH
QAa3
QAa2
10
QAa3
11
Auto Precharge
12
Write with
(B-Bank)
DBb0
DBb0
CBb
13
DBb1
DBb1
14
DBb2
DBb2
15
DBb3
DBb3
Rev. 2.4 (May 1998)
CMOS SGRAM
Auto Precharge
16
Start Point
(B-Bank)
17
18
: Don t care
19