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SN74LS257BM データシートの表示(PDF) - ON Semiconductor

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SN74LS257BM Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
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
VCC = PIN 16
GND = PIN 8
= PIN NUMBERS
4
Za
7
12
9
Zb
Zc
Zd
http://onsemi.com
3

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