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Компоненты Описание
SN74LS257BD Просмотр технического описания (PDF) - ON Semiconductor
Номер в каталоге
Компоненты Описание
производитель
SN74LS257BD
Quad 2-Input Multiplexer with 3-State Outputs
ON Semiconductor
SN74LS257BD Datasheet PDF : 8 Pages
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SN74LS257B, SN74LS258B
LOGIC DIAGRAMS
SN74LS257B
E0
I0a
15
2
I1a
3
I0b
I1b
5
6
I0c
I1c
I0d
I1d
S
14
13
11
10
1
4
Za
E0
I0a
I1a
15
2
3
7
12
9
Zb
Zc
Zd
SN74LS258B
I0b
I1b
5
6
I0c
I1c
I0d
I1d
S
14
13
11
10
1
V
CC
= PIN 16
GND = PIN 8
= PIN NUMBERS
4
Za
7
12
9
Zb
Zc
Zd
http://onsemi.com
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