IS45S32400B-7BA1-TR ISSI, Integrated Silicon Solution Inc, IS45S32400B-7BA1-TR Datasheet - Page 42
IS45S32400B-7BA1-TR
Manufacturer Part Number
IS45S32400B-7BA1-TR
Description
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS45S32400B-7BA1-TR.pdf
(60 pages)
Specifications of IS45S32400B-7BA1-TR
Organization
4Mx32
Density
128Mb
Address Bus
14b
Access Time (max)
6.5/5.4ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
130mA
Pin Count
90
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Not Compliant
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IS45S32400B
WRITE - DQM OPERATION
Notes:
1) Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
42
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
t
CL
COLUMN m
DS
WRITE
D
BANK
IN
T2
t
m
t
CMH
t
DH
CH
(2)
NOP
T3
Integrated Silicon Solution, Inc. — www.issi.com
t
D
DS
NOP
IN
T4
m+
t
DH
2
t
DS
D
NOP
IN
T5
m+
t
DH
3
NOP
T6
DON'T CARE
NOP
T7
11/12/09
Rev. C
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