km4132g271b Samsung Semiconductor, Inc., km4132g271b Datasheet - Page 37

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

CLOCK
KM4132G271B
Read & Write Cycle at Different Bank @Burst Length=4
(CL=3)
(CL=2)
ADDR
DQM
DQ
DQ
CKE
RAS
CAS
DSF
WE
CS
A
A
9
8
*Note :
0
Row Active
(A-Bank)
RAa
RAa
1
1.
t
CDL
2
should be met to complete write.
3
(A-Bank)
Read
CAa
4
5
QAa0
6
Row Active
(B-Bank)
QAa1
QAa0
RBb
RBb
7
Precharge
(A-Bank)
QAa2
QAa1
8
QAa3
QAa2
- 37
9
HIGH
QAa3
10
11
(B-Bank)
Write
DBb0
DBb0
CBb
Row Active
12
(A-Bank)
DBb1
DBb1
RAc
RAc
13
DBb2
DBb2
14
DBb3
DBb3
t
15
CDL
(A-Bank)
Read
CAc
Rev. 2.4 (May 1998)
CMOS SGRAM
16
*Note 1
17
QAc0
18
: Don t care
QAc1
QAc0
19
QAc2
QAc1