is42s16800al-7tli Integrated Silicon Solution, Inc., is42s16800al-7tli Datasheet - Page 48

• Manufacturer Part Number: is42s16800al-7tli
• Description: 128-mbit Low-power Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

ALTERNATING BANK WRITE ACCESS
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
IS42S81600AL, IS42S16800AL, IS42S32400AL
IS42LS81600AL, IS42LS16800AL, IS42LS32400AL
48
DQMH/DQM0-3
X32: A8, A9, and A11 = "Don't Care"
DQM/DQML
COMMAND
A0-A9, A11
BA0, BA1
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
AH
AH
AH
CMH
t
t
t
t
RCD
RRD
RAS
RC
t
CK
- BANK 0
- 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)
Integrated Silicon Solution, Inc. — www.issi.com —
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
BANK 1
DS
ACTIVE
ROW
ROW
D
T4
IN
t
m+
DH
2
t
RCD
t
DS
D
- BANK 1
ENABLE AUTO PRECHARGE
T5
IN
NOP
m+
t
DH
t
WR
3
- BANK 0
t
COLUMN b
DS
BANK 1
WRITE
T6
D
IN
t
DH
b
(2)
PRELIMINARY
t
DS
D
t
T7
RP
NOP
IN
t
- BANK 0
b+
DH
1
t
DS
D
T8
NOP
IN
INFORMATION
t
b+
DH
2
ISSI
t
1-800-379-4774
DS
ACTIVE
DON'T CARE
BANK 0
D
T9
ROW
ROW
IN
t
b+
t
t
DH
RCD
WR
3
Rev. 00A
- BANK 1
- BANK 0
09/18/03
®