is42g32256 ETC-unknow, is42g32256 Datasheet - Page 46

• Manufacturer Part Number: is42g32256
• Description: 256k 16-mbit Synchronous Graphics
• Manufacturer: ETC-unknow

IS42G32256
46
LATENCY = 2
LATENCY = 3
DQ: CLOCK
DQ: CLOCK
Notes:
1. At full page mode, burst is wrap-around at the end of burst. So auto precharge is impossible.
2. About the valid DQs after burst stop, it is same as the case of
3. Burst stop is valid at full page mode.
Figure 30. Read Interupted by Precharge Command and Read Burst Stop Cycle (at Full Page Only)
A0-A8
diagram. See the label 1,2 on them. But at burst write, Burst stop and
Refer to the timing diagram of “Full Page Write Burst Stop Cycle”.
DQM
CLK
CKE
RAS
CAS
DSF
A10
WE
CS
A9
ROW ACTIVE
HIGH
0
(A-BANK)
RAa
Ra
1
2
NOTE 1
3
CAa
4
(A-BANK)
READ
5
QAa0 QAa1
6
QAa0 QAa1
7
QAa2 QAa3 QAa4
NOTE 2
t
8
RCD
BURST
STOP
QAa2 QAa3 QAa4
9
RAS
NOTE 1
10
1
(A-BANK)
READ
CAb
interrupt. both cases are illustrated above timing
11
2
RAS
12
interrupt should be compared carefully.
DAb0 DAb1 DAb2 DAb3 DAb4 DAb5
13
DAb0 DAb1 DAb2 DAb3 DAb4 DAb5
Integrated Silicon Solution, Inc.
14
15
ADVANCE INFORMATION SR037-0C
PRECHARGE
16
(A-BANK)
17
: DON’T CARE
18
1
ISSI
19
2
09/10/98
®