IS42S32800B-7T ISSI, Integrated Silicon Solution Inc, IS42S32800B-7T Datasheet - Page 47
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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
Integrated Silicon Solution, Inc.
Rev. F
07/21/09
Figure 16.2.Auto Precharge after Read Burst (Burst Length=4,CAS#Latency=2)
A 0-A9
BS0,1
RAS#
CAS#
DQM
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
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
t
CK2
Command
Bank A
Read
CAx
Command
Activate
Bank B
RBx
Ax0
RBx
Ax1 Ax2
Auto Precharge
Read with
Command
Bank B
CBx
Ax3
Bx0
Bx1 Bx2
Auto Precharge
Read with
Command
Bank A
RAy
Bx3
Command
Activate
Bank B
Ay0
RBy
RBy
Ay1 Ay2
Auto Precharge
Read with
Command
Bank B
CBy
Ay3 By0
Command
Activate
Bank A
RAz
RAz
By1
Auto Precharge
Read with
Command
Bank A
CAz
By2
By3
Az0 Az1
Az2
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