IS42S32400B-7T ISSI, Integrated Silicon Solution Inc, IS42S32400B-7T Datasheet - Page 20
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IS42S32400B-7T
Manufacturer Part Number
IS42S32400B-7T
Description
IC SDRAM 128MBIT 143MHZ 86TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S32400B-7T-TR.pdf
(60 pages)
Specifications of IS42S32400B-7T
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
128M (4Mx32)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
86-TSOPII
Organization
4Mx32
Density
128Mb
Address Bus
14b
Access Time (max)
6.5/5.4ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Package Type
TSOP-II
Operating Temp Range
0C to 70C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
130mA
Pin Count
86
Mounting
Surface Mount
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S32400B-7T
Manufacturer:
ISSI
Quantity:
1 653
Company:
Part Number:
IS42S32400B-7TL
Manufacturer:
ISSI
Quantity:
7 760
Company:
Part Number:
IS42S32400B-7TL
Manufacturer:
ISSI
Quantity:
10
Part Number:
IS42S32400B-7TL
Manufacturer:
ISSI
Quantity:
20 000
Company:
Part Number:
IS42S32400B-7TLI
Manufacturer:
ISSI
Quantity:
2 890
Company:
Part Number:
IS42S32400B-7TLI
Manufacturer:
ISSI
Quantity:
1 080
Part Number:
IS42S32400B-7TLI
Manufacturer:
ISSI
Quantity:
20 000
IS42S32400B
INITIALIZE AND LOAD MODE REGISTER
20
DQM0-DQM3
COMMAND
A0-A9, A11
Notes:
1. If CS is High at clock High time, all commands applied are NOP.
2. The Mode register may be loaded prior to the Auto-Refresh cycles if desired.
3. JEDEC and PC100 specify three clocks.
4. Outputs are guaranteed High-Z after the command is issued.
BA0, BA1
CKE
CLK
A10
DQ
Power-up: V
and CLK stable
T = 100µs Min.
t
t
CKS
CMH
NOP
T
T0
t
t
CKH
CMS
t
CK
CC
SINGLE BANK
ALL BANKS
t
CMH
PRECHARGE
ALL BANKS
T1
Precharge
all banks
t
CMS
t
RP
t
CMH
REFRESH
Tn+1
AUTO
AUTO REFRESH
t
CMS
t
CH
Integrated Silicon Solution, Inc. — www.issi.com —
NOP
t
RC
(1)
t
CL
REFRESH
To+1
AUTO
AUTO REFRESH
NOP
t
RC
t
t
t
Load MODE
REGISTER
AS
AS
AS
CODE
CODE
CODE
Tp+1
Program MODE REGISTER
t
t
t
AH
AH
AH
PRELIMINARY INFORMATION Rev. 00J
t
Tp+2
NOP
MRD
DON'T CARE
ACTIVE
BANK
ROW
ROW
Tp+3
1-800-379-4774
(2, 3, 4)
03/03/09