is45s32400b Integrated Silicon Solution, Inc., is45s32400b Datasheet - Page 35

• Manufacturer Part Number: is45s32400b
• Description: 4meg X 32 128-mbit Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

IS45S32400B
READ - DQM OPERATION
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. B
07/10/06
Notes:
1) CAS latency = 2, Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
DQM0 - DQM3
COMMAND
A0-A9, A11
BA0, BA1
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
CL
COLUMN m
READ
BANK
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
t
AC
1-800-379-4774
NOP
T4
D
OUT
t
OH
t
HZ
m
NOP
T5
t
LZ
t
AC
NOP
D
T6
OUT
t
OH
m+
t
AC
2
DON'T CARE
UNDEFINED
NOP
T7
D
OUT
t
OH
m+
t
HZ
3
NOP
ISSI
T8
35
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