IS42S32400B-7BI ISSI, Integrated Silicon Solution Inc, IS42S32400B-7BI Datasheet - Page 55

• Manufacturer Part Number: IS42S32400B-7BI
• Description: IC SDRAM 128MBIT 143MHZ 90FBGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS42S32400B-7BI

• 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: 90-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S32400B
SINGLE WRITE - WITHOUT AUTO PRECHARGE
Notes:
1) Burst Length = 1
2) X32: A8, A9, A11 = "Don't Care"
3) t
Integrated Silicon Solution, Inc. — www.issi.com —
PRELIMINARY INFORMATION Rev. 00J
03/03/09
RAS
DQM0 - DQM3
must not be violated.
COMMAND
A0-A9, A11
BA0, BA1
CKE
CLK
A10
DQ
t
t
CKS
CMS
t
t
t
AS
AS
AS
BANK
ACTIVE
ROW
ROW
T0
t
CKH
t
t
t
t
CMH
AH
AH
AH
t
t
t
RCD
RAS
RC
t
CK
T1
NOP
DISABLE AUTO PRECHARGE
t
t
CMS
CL
t
DS
COLUMN m
WRITE
D
T2
BANK
IN
t
CMH
t
t
DH
CH
m
(2)
T3
NOP
1-800-379-4774
t
DPL (3)
T4
NOP
SINGLE BANK
ALL BANKS
PRECHARGE
BANK
T5
ROW
t
T6
RP
NOP
ROW
BANK
ACTIVE
T7
DON'T CARE
T8
NOP
55