SN74LS257BMR2 데이터 시트보기 (PDF) - ON Semiconductor
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SN74LS257BMR2 Datasheet PDF : 8 Pages
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SN74LS257B SN74LS258B
LOGIC DIAGRAMS
E0
15
I0a
2
I1a
3
SN74LS257B
I0b
5
I1b
6
I0c
14
I1c
13
I0d
11
I1d
10
S
1
4
Za
E0
15
I0a
2
I1a
3
7
12
Zb
Zc
SN74LS258B
I0b
5
I1b
6
I0c
14
I1c
13
9
Zd
I0d
11
I1d
10
S
1
VCC = PIN 16
4
GND = PIN 8
= PIN NUMBERS
Za
7
12
9
Zb
Zc
Zd
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