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UPD43256BCZ-70LL Datasheet(PDF) 5 Page - NEC

Part # UPD43256BCZ-70LL
Description  256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD43256BCZ-70LL Datasheet(HTML) 5 Page - NEC

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5
µPD43256B
Block Diagram
A0
|
A14
I/O1
|
I/O8
Memory cell array
262,144 bits
Input data
controller
Sense/Switch
Column decoder
Address buffer
Output data
controller
CS
OE
VCC
WE
GND
Truth Table
CS
OE
WE
Mode
I/O
Supply current
H
××
Not selected
High impedance
ISB
L
H
H
Output disable
ICCA
L
×
L
Write
DIN
L
L
H
Read
DOUT
Remark
×: Don’t care


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