K4G323222A Datasheet, PDF (31/49 Pages) Samsung semiconductor – 32Mbit SGRAM

K4G323222A
Block Write cycle(with Auto Precharge)
CMOS SGRAM
CLOCK
CKE
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
HIGH
CS
RAS
CAS
*Note 2
ADDR
BA
RAa
A8/AP
RAa
CAa CAb
RBa
RBa
CBa CBb
WE
DSF
DQM
DQ
tBWC
*Note 1
Pixel Pixel
Mask Mask
Row Active
Block Write
(A-Bank)
Block Write with
Auto Precharge
(A-Bank)
Pixel Pixel
Mask Mask
Row Active
(B-Bank)
Block Write with
Auto Precharge
(B-Bank)
Block Write
(B-Bank)
*Note : 1. Column Mask(DQi=L : Mask, DQi=H :Non Mask)
2. At Block Write, CA0~2 are ignored.
: Don′t care
Rev. 1.3 (Dec. 2000)
- 31