km4132g271b Samsung Semiconductor, Inc., km4132g271b Datasheet - Page 33

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

CLOCK
KM4132G271B
Block Write cycle(with Auto Precharge)
ADDR
DQM
CKE
RAS
CAS
DSF
WE
DQ
CS
A
A
*Note 2
9
8
Row Active with
*Note :
Write-per-Bit
0
(A-Bank)
Enable
RAa
RAa
1
1. Column Mask(DQi=L : Mask, DQi=H :Non Mask)
2. At Block Write, CA
2
Block Write
3
(A-Bank)
Masked
*Note 1
Pixel
Mask
CAa
Block Write with
Auto Precharge
t
4
BWC
(A-Bank)
0~2
Masked
CAb
Pixel
Mask
are ignored.
5
6
7
Row Active
(B-Bank)
RBa
RBa
8
- 33
9
HIGH
10
Block Write
(B-Bank)
Pixel
Mask
CBa CBb
11
Block Write with
Auto Precharge
Pixel
Mask
(B-Bank)
12
13
14
15
Rev. 2.4 (May 1998)
CMOS SGRAM
16
17
18
: Don t care
19