is42s16160d-7ti Integrated Silicon Solution, Inc., is42s16160d-7ti Datasheet - Page 43

• Manufacturer Part Number: is42s16160d-7ti
• Description: 32meg X 8, 16meg X16 256-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S83200D, IS42S16160D
IS45S83200D, IS45S16160D
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) x16: A9, A11, and A12 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com
Rev. A
02/19/09
x8: A11 and A12 = "Don't Care"
A0-A9, A11, A12
DQM/DQML
COMMAND
BA0, BA1
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
t
t
t
CMH
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
t
CL
COLUMN m
DS
WRITE
D
BANK
IN
T2
t
m
t
CMH
t
DH
CH
(2)
NOP
T3
t
D
DS
NOP
IN
T4
m+
t
DH
2
t
DS
D
NOP
IN
T5
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
43