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Número de pieza
componentes Descripción
D43257B Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
D43257B
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
NEC => Renesas Technology
D43257B Datasheet PDF : 20 Pages
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Block Diagram
A0
Address
Row
Memory cell array
buffer
decoder
262,144 bits
A14
µ
PD43257B
I/O1
Sense amplifier /
Input data
Switching circuit
Output data
I/O8
controller
Column decoder
controller
Address buffer
/CE1
CE2
/WE
V
CC
GND
Truth Table
/CE1
CE2
/WE
H
×
×
×
L
×
L
H
H
L
H
L
Remark
×
: V
IH
or V
IL
Mode
Not selected
Read
Write
I/O
High impedance
D
OUT
D
IN
Supply current
I
SB
I
CCA
Data Sheet M10693EJ7V0DS00
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