is42g32256 ETC-unknow, is42g32256 Datasheet - Page 45

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

IS42G32256
Integrated Silicon Solution, Inc.
ADVANCE INFORMATION SR037-0C
09/10/98
LATENCY = 2
LATENCY = 3
DQ: CLOCK
DQ: CLOCK
Note:
1. Any command to A Bank is not allowed in this period. t
A0-A8
DQM
CLK
CKE
RAS
CAS
DSF
A10
WE
CS
A9
ROW ACTIVE
HIGH
Figure 29. Read and Write Cycle with Auto Precharge ••• at Burst Length = 4
0
(A-BANK)
Ra
Ra
1
2
3
PRECHARGE
4
WITH AUTO
(A-BANK)
READ
Rb
5
6
Qa0
7
Qa1
Qa0
START POINT
NOTE 1
t
PRECHARGE
ROW ACTIVE
8
RCD
RP
(A-BANK)
(B-BANK)
AUTO
Qa2
Qa1
Cb
Rb
is determined from at auto precharge start point.
9
Qa3
Qa2
PRECHARGE
WITH AUTO
10
(B-BANK)
READ
Qa3
Ra
11
12
Db0
13
Db1
Db0
START POINT
PRECHARGE
14
(B-BANK)
AUTO
Db2
Db1
15
Db3
Db2
16
Db3
17
: DON’T CARE
18
ISSI
19
45
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