is42s16128 Integrated Silicon Solution, Inc., is42s16128 Datasheet - Page 45

• Manufacturer Part Number: is42s16128
• Description: 128k Words Bits Banks Sdram
• Manufacturer: Integrated Silicon Solution, Inc.

Write Cycle / Ping-Pong Operation
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. A
03/13/00
IS42S16128
A0-A7
CAS latency = 2, burst length = 2
DQM
CKE
RAS
CAS
CLK
WE
CS
I/O
A8
A9
t
CKS
t
CS
T0
t
t
t
t
t
t
t
t
CS
CS
CS
AS
AS
t
AS
CKA
CH
CK
<
BANK 0
ACT 0
ROW
ROW
T1
(BANK 0 TO 1)
t
CHI
>
(BANK 0)
(BANK 0)
(BANK 0)
t
t
t
t
t
RCD
t
t
RRD
t
t
AH
AH
RAS
t
CH
CH
CH
RC
AH
T2
t
CL
t
t
CS
DS
<
AUTO PRE
<
WRITA 0
COLUMN
NO PRE
WRIT 0
BANK 0
D
T3
IN
0m
t
DH
>
>
t
DS
<
BANK 1
ROW
ACT 1
ROW
T4
D
IN
0m+1
t
>
DH
(BANK 1)
(BANK 1)
(BANK 1)
t
t
RCD
t
RAS
RC
t
DS
D
T5
IN
0m+2
t
DH
t
DS
D
T6
IN
0m+3
t
DH
t
DPL
t
DS
<
AUTO PRE
<
WRITA 1
COLUMN
NO PRE
BANK 1
WRIT 1
T7
D
IN
t
1m
DH
>
>
t
DS
BANK 0 OR 1
<
BANK 0
PRE 0
D
T8
IN
1m+1
t
DH
>
(BANK 0)
t
RP
t
DS
D
T9
IN
1m+2
t
DH
t
ISSI
DS
<
BANK 0
ACT 0
T10
D
ROW
ROW
IN
1m+3
Undefined
Don't Care
t
>
DH
(BANK 0)
(BANK 0)
(BANK 0)
t
t
t
RAS
RCD
t
DPL
RC
t
CH
45
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