is42g32256 ETC-unknow, is42g32256 Datasheet - Page 43

• 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. t
A0-A8
BRSW mode and Block write).
RDL
DQM
CLK
CKE
RAS
CAS
DSF
A10
WE
CS
A9
should be controlled to meet minimum t
ROW ACTIVE
HIGH
0
(A-BANK)
Figure 27. Read and Write Cycle with Auto Precharge at Burst Length = 4
Ra
Ra
1
2
ROW ACTIVE
3
(B-BANK)
Rb
Rb
PRECHARGE
4
WITH AUTO
(A-BANK)
READ
Ca
5
6
RAS
Qa0
7
before internal precharge start (in the case of Burst Length = 1 and 2,
AUTO PRECHARGE
Qa1
Qa0
START POINT
8
(A-BANK)
Qa2
Qa1
9
Qa3
Qa2
10
Qa3
11
AUTO PRECHARGE
WRITE WITH
12
(B-BANK)
Db0
Db0
Cb
13
Db1
Db1
14
Db2
Db2
15
AUTO PRECHARGE
Db3
Db3
START POINT
16
(B-BANK)
17
: DON’T CARE
18
ISSI
19
43
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