IS42S32800B-7BL INTEGRATED SILICON SOLUTION (ISSI), IS42S32800B-7BL Datasheet - Page 2

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IS42S32800B-7BL

Manufacturer Part Number
IS42S32800B-7BL
Description
IC, SDRAM, 256MBIT, 143MHZ, BGA-90
Manufacturer
INTEGRATED SILICON SOLUTION (ISSI)
Datasheet

Specifications of IS42S32800B-7BL

Memory Type
DRAM - Sychronous
Access Time
7ns
Page Size
256Mbit
Ic Interface Type
Parallel
Memory Case Style
BGA
No. Of Pins
90
Operating Temperature Range
0°C To +70°C
Termination Type
SMD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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IS42S32800B-7BL
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ISSI
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Part Number:
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ISSI, Integrated Silicon Solution Inc
Quantity:
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IS42S32800B
2
FUNCTIONAL BLOCK DIAGRAM
A 1 0 / A P
A 0
A 9
A 1 1
B S 0
B S 1
CLK
C K E
C S #
R A S #
C A S #
W E #
D Q 0
D Q 31
D E C O D E R
C O U N TE R
A D D R E S S
COMMAND
COLUMN
R E F R E S H
C O U N T E R
B U F F E R
B U F F E R
C L O C K
B U F F E R
D Q M 0 ~ 3
G E N E R AT O R
D Q
C O N T R O L
R E G I S T E R
S I G N A L
M O D E
C o l u m n D e c o d e r
Integrated Silicon Solution, Inc.
4 0 9 6 X 5 1 2 X 3 2
4 0 9 6 X 5 1 2 X 3 2
Column Decoder
Col um n
Sense
4096 X 512 X 32
C E L L A R R AY
Sense
Column
Sense Amplifier
C E L L A R R AY
Sense
4096 X 512 X 32
CELL ARRAY
( B A N K # 0 )
( B A N K # 1 )
(BANK #2)
CELL ARRAY
(BANK #3)
Amplifier
Amplifier
Amplifier
Decoder
Decoder
07/21/09
Rev. F

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