IS45S32400B-7BA1-TR ISSI, Integrated Silicon Solution Inc, IS45S32400B-7BA1-TR Datasheet - Page 42

• Manufacturer Part Number: IS45S32400B-7BA1-TR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

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

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