IS42S32400B-6B ISSI, Integrated Silicon Solution Inc, IS42S32400B-6B Datasheet - Page 34

• Manufacturer Part Number: IS42S32400B-6B
• Description: IC SDRAM 128MBIT 166MHZ 90FBGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32400B-6B

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (4Mx32)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 90-FBGA
• Organization: 4Mx32
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 166MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TFBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 180mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

IS42S32400B
Notes:
1) CAS latency = 2, Burst Length = Full Page
2) X32: A8, A9, A11 = "Don't Care"
34
READ - FULL-PAGE BURST
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
RCD
T1
NOP
t
t
CMS
CL
COLUMN m
BANK
READ
T2
t
CMH
t
CH
(2)
CAS Latency
NOP
T3
t
LZ
Integrated Silicon Solution, Inc. — www.issi.com —
t
AC
NOP
T4
D
OUT
t
OH
each row (x4) has
1,024 locations
m
t
AC
NOP
T5
D
OUT
t
OH
m+
t
1
AC
Full page
completion
NOP
T6
D
OUT
t
OH
t
m+
AC
Use BURST TERMINATE command.
2
Full-page burst not self-terminating.
Tn+1
NOP
D
OUT
t
OH
m-
t
1
AC
PRELIMINARY INFORMATION Rev. 00J
BURST TERM
Tn+2
D
OUT
t
OH
m
t
AC
Tn+3
NOP
D
OUT
1-800-379-4774
t
DON'T CARE
UNDEFINED
OH
m+
t
HZ
1
Tn+4
NOP
03/03/09