IS45S32400B-7TLA1 ISSI, Integrated Silicon Solution Inc, IS45S32400B-7TLA1 Datasheet - Page 42

• Manufacturer Part Number: IS45S32400B-7TLA1
• Description: IC SDRAM 128MBIT 143MHZ 86TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS45S32400B-7TLA1

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (4Mx32)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 86-TSOPII
• Lead Free Status / RoHS Status: Lead free / RoHS 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