is42s16400b1 Integrated Silicon Solution, Inc., is42s16400b1 Datasheet - Page 51

• Manufacturer Part Number: is42s16400b1
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram - Integrated Silicon Solution, Inc
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16400B1
ALTERNATING BANK WRITE ACCESS
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. A
12/09/03
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
BANK 0
AS
AS
AS
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
t
RCD
RRD
RAS
RC
t
- BANK 0
CK
- BANK 0
- BANK 0
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
COLUMN m
BANK 0
DS
WRITE
D
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
BANK 1
DS
ACTIVE
1-800-379-4774
ROW
ROW
D
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
t
m+
DH
t
WR
3
- BANK 0
t
COLUMN b
BANK 1
DS
WRITE
D
T6
IN
t
DH
b
(2)
t
DS
D
t
T7
RP
NOP
IN
t
- BANK 0
b+
DH
1
t
DS
D
T8
NOP
IN
t
b+
DH
2
ISSI
t
DS
ACTIVE
BANK 0
D
DON'T CARE
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
WR
3
- BANK 1
- BANK 0
51
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