is42s16800d Integrated Silicon Solution, Inc., is42s16800d Datasheet - Page 58

• Manufacturer Part Number: is42s16800d
• Description: 16meg X 8, 8meg X16 128-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S81600D,
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
DQM/DQML
58
WRITE - WITH AUTO PRECHARGE
COMMAND
A0-A9, A11
BA0, BA1
X8: A11 = "Don't Care"
DQMH
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
AS
AS
AS
BANK
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
RCD
RAS
RC
t
CK
IS42S16800D
ENABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
DS
COLUMN m
WRITE
D
BANK
T2
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
D
T3
NOP
IN
t
m+
DH
1
t
DS
D
T4
NOP
IN
t
m+
DH
2
t
DS
D
T5
IN
NOP
Integrated Silicon Solution, Inc. — www.issi.com
m+
t
DH
3
t
DPL
T6
NOP
T7
NOP
t
RP
T8
NOP
DON'T CARE
ACTIVE
ROW
ROW
T9
BANK
06/18/07
Rev. D