IS42S32400B-7BI ISSI, Integrated Silicon Solution Inc, IS42S32400B-7BI Datasheet - Page 50

• 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 READ WITH AUTO PRECHARGE
Notes:
1) CAS latency = 2, Burst Length = 1
2) X32: A8, A9, A11 = "Don't Care"
50
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
CMH
t
t
t
AH
AH
AH
t
CK
t
t
t
RCD
RAS
RC
T1
NOP
t
CL
NOP
T2
t
CH
Integrated Silicon Solution, Inc. — www.issi.com —
NOP
T3
ENABLE AUTO PRECHARGE
t
CMS
COLUMN m
BANK
READ
T4
t
CMH
(2)
CAS Latency
NOP
T5
t
AC
NOP
t
T6
RP
D
OUT
t
OH
t
m
HZ
PRELIMINARY INFORMATION Rev. 00J
ACTIVE
BANK
ROW
ROW
T7
NOP
T8
DON'T CARE
UNDEFINED
1-800-379-4774
03/03/09