IS42S32800B-7T ISSI, Integrated Silicon Solution Inc, IS42S32800B-7T Datasheet - Page 58
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IS42S32800B-7T
Manufacturer Part Number
IS42S32800B-7T
Description
IC SDRAM 256MBIT 143MHZ 86TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S32800B-7BL.pdf
(62 pages)
Specifications of IS42S32800B-7T
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
256M (8Mx32)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
86-TSOPII
Organization
8Mx32
Density
256Mb
Address Bus
14b
Access Time (max)
5.5ns
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
150mA
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:
IS42S32800B-7TL
Manufacturer:
ISSI
Quantity:
1 000
Part Number:
IS42S32800B-7TL
Manufacturer:
ISSI
Quantity:
20 000
Company:
Part Number:
IS42S32800B-7TLI
Manufacturer:
ISSI
Quantity:
1 000
IS42S32800B
58
Figure 24.2.Precharge Termination of a Burst
BS0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
A10
DQ
High
Command
Activate
Bank A
RAx
RAx
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
(Burst Length=8 or Full Page,CAS#Latency=2)
t
CK2
Command
Bank A
DAx0 DAx1 DAx2 DAx3
Write
CAx
Precharge Termination
Write data is masked.
of a Write Burst.
t
Precharge
Command
WR
Bank A
t
RP
Command
Activate
Bank A
RAy
RAy
Command
Bank A
CAy
Read
Ay0
Precharge
Command
Bank A
Ay1
t
RP
Ay2
Command
Activate
Bank A
RAz
RAz
Command
Integrated Silicon Solution, Inc.
Bank A
CAz
Read
Precharge Termination
of a Read Burst.
Az0
Precharge
Command
Bank A
Az1
t
RP
Az2
07/21/09
Rev. F