is42g32256 ETC-unknow, is42g32256 Datasheet - Page 44

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

IS42G32256
44
LATENCY = 2
LATENCY = 3
DQ: CLOCK
DQ: CLOCK
Note:
1. When Read (Write) command with auto precharge is issued at A-Bank after A and B Bank activation.
A0-A8
— If Read (Write) command without auto precharge is issued at B-Bank before A Bank auto precharge starts, A Bank
auto precharge will start at the next cycle of B Bank read command input point.
— Any command can not be issued at A Bank during t
DQM
CLK
CKE
RAS
CAS
DSF
A10
WE
CS
A9
ROW ACTIVE
HIGH
0
(A-BANK)
Figure 28. Read and Write Cycle with Auto Precharge II at Burst Length = 4
Ra
Ra
1
2
ROW ACTIVE
3
(B-BANK)
Rb
Rb
PRECHARGE
4
WITH AUTO
(A-BANK)
READ
Ca
5
PRECHARGE
6
WITHOUT
(B-BANK)
READ
AUTO
Qa0
Cb
START POINT
PRECHARGE
7
(A-BANK)
AUTO
Qa1
Qa0
8
RP
Qb0
Qa1
after A Bank auto precharge starts.
9
Qb1
Qb0
10
Db2
Qb1
PRECHARGE
11
(B-BANK)
Db3
Db2
12
Db3
13
Integrated Silicon Solution, Inc.
ROW ACTIVE
14
(A-BANK)
Ra
Ra
15
ADVANCE INFORMATION SR037-0C
16
17
AUTO PRECHARGE
WRITE WITH
: DON’T CARE
18
(A-BANK)
Da0
Da0
Ca
ISSI
19
09/10/98
Da1
Da1
®