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UPD43256BGW 查看數據表(PDF) - NEC => Renesas Technology
零件编号
产品描述 (功能)
生产厂家
UPD43256BGW
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
NEC => Renesas Technology
UPD43256BGW Datasheet PDF : 24 Pages
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Block Diagram
A0
|
A14
I/O1
|
I/O8
µ
PD43256B
Memory cell array
262,144 bits
Input data
controller
Sense/Switch
Column decoder
Address buffer
Output data
controller
CS
OE
WE
V
CC
GND
Truth Table
CS
OE
WE
H
×
×
L
H
H
L
×
L
L
L
H
Mode
Not selected
Output disable
Write
Read
I/O
High impedance
D
IN
D
OUT
Supply current
I
SB
I
CCA
Remark
×
: Don’t care
5
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