is42s16400b1 Integrated Silicon Solution, Inc., is42s16400b1 Datasheet - Page 46

• Manufacturer Part Number: is42s16400b1
• Description: 1 Meg Bits X 16 Bits X 4 Banks 64-mbit Synchronous Dynamic Ram - Integrated Silicon Solution, Inc
• Manufacturer: Integrated Silicon Solution, Inc.

IS42S16400B1
READ - DQM OPERATION
46
DQML, DQMH
COMMAND
A0-A9, A11
BA0, BA1
DQM/
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
ACTIVE
AS
AS
AS
BANK
ROW
ROW
T0
t
t
CKH
CMH
t
t
t
AH
AH
AH
t
CK
t
NOP
RCD
T1
DISABLE AUTO PRECHARGE
ENABLE AUTO PRECHARGE
t
t
CMS
CL
COLUMN m
READ
BANK
T2
t
CMH
t
CH
(2)
Integrated Silicon Solution, Inc. — www.issi.com —
CAS Latency
NOP
x xx
T3
t
LZ
t
AC
NOP
T4
D
OUT
xx
x x
t
OH
t
HZ
m
NOP
T5
t
LZ
t
AC
x
NOP
D
T6
OUT
t
OH
m+
t
AC
2
D ON'T CARE
UNDEFINED
NOP
T7
D
OUT
t
OH
m+
t
HZ
3
ISSI
NOP
1-800-379-4774
T8
12/09/03
Rev. A
®