IS42S16800B ISSI [Integrated Silicon Solution, Inc], IS42S16800B Datasheet - Page 56

• Manufacturer Part Number: IS42S16800B
• Description: 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM
• Manufacturer: ISSI [Integrated Silicon Solution, Inc]

IS42S81600B,
WRITE - WITHOUT AUTO PRECHARGE
Notes:
1) Burst Length = 4
2) X16: A9 and A11 = "Don't Care"
3) t
56
DQM/DQML
COMMAND
X8: A11 = "Don't Care"
A0-A9, A11
RAS
BA0, BA1
DQMH
must not be violated.
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
IS42S16800B
t
CK
DISABLE AUTO PRECHARGE
T1
NOP
t
t
CMS
CL
t
DS
COLUMN m
WRITE
D
T2
BANK
IN
t
CMH
t
t
DH
m
CH
(2)
t
DS
Integrated Silicon Solution, Inc. — www.issi.com —
D
T3
NOP
IN
t
m+
DH
1
t
DS
D
T4
NOP
IN
t
m+
DH
2
t
DS
D
T5
NOP
IN
m+
t
DH
t
3
DPL (3)
SINGLE BANK
ALL BANKS
PRECHARGE
BANK
T6
t
RP
T7
NOP
DON'T CARE
ACTIVE
T8
BANK
ISSI
ROW
ROW
1-800-379-4774
05/01/06
Rev. E
®