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零件编号
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UPD43256B-AXX 查看數據表(PDF) - NEC => Renesas Technology
零件编号
产品描述 (功能)
生产厂家
UPD43256B-AXX
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
NEC => Renesas Technology
UPD43256B-AXX Datasheet PDF : 24 Pages
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Block Diagram
µ
PD43256B
A0
Address
Row
Memory cell array
buffer
decoder
262,144 bits
A14
I/O1
Sense amplifier /
Input data
Switching circuit
Output data
I/O8
controller
Column decoder
controller
Address buffer
/CS
/OE
/WE
V
CC
GND
Truth Table
/CS
/OE
/WE
H
×
×
L
H
H
L
×
L
L
L
H
Remark
×
: V
IH
or V
IL
Mode
Not selected
Output disable
Write
Read
I/O
High impedance
D
IN
D
OUT
Supply current
I
SB
I
CCA
6
Data Sheet M10770EJCV0DS00
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