IC42S16800D-7TL ISSI [Integrated Silicon Solution, Inc], IC42S16800D-7TL Datasheet - Page 43

• Manufacturer Part Number: IC42S16800D-7TL
• Description: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S81600D,
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
07/28/08
X8: A11 = "Don't Care"
DQM/DQML
COMMAND
A0-A9, A11
BA0, BA1
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
IS42S16800D
CKH
t
t
t
CMH
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
t
COLUMN m
DS
WRITE
D
BANK
IN
T2
t
m
CMH
t
t
DH
CH
(2)
NOP
T3
t
D
DS
NOP
IN
T4
m+
t
DH
2
t
D
DS
NOP
IN
T5
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
43