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零件编号
产品描述 (功能)
74LS151 查看數據表(PDF) - ON Semiconductor
零件编号
产品描述 (功能)
生产厂家
74LS151
8-Input Multiplexer
ON Semiconductor
74LS151 Datasheet PDF : 8 Pages
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SN74LS151
CONNECTION DIAGRAM DIP
(TOP VIEW)
V
CC
I
4
I
5
I
6
I
7
S
0
S
1
S
2
16 15 14 13 12 11 10 9
1 2 3 4 56
I
3
I
2
I
1
I
0
Z
Z
78
E GND
PIN NAMES
S
0
– S
2
E
I
0
– I
7
Z
Z
Select Inputs
Enable (Active LOW) Input
Multiplexer Inputs
Multiplexer Output
Complementary Multiplexer Output
LOADING
(Note a)
HIGH
LOW
0.5 U.L.
0.5 U.L.
0.5 U.L.
10 U.L.
10 U.L.
0.25 U.L.
0.25 U.L.
0.25 U.L.
5 U.L.
5 U.L.
NOTES:
a) 1 TTL Unit Load (U.L.) = 40
m
A HIGH/1.6 mA LOW.
b) The Output LOW drive factor is 5 U.L. for Commercial (74) Temperature Ranges.
LOGIC SYMBOL
7 4 3 2 1 15 14 13 12
11
E
S
0
I
0
I
1
I
2
I
3
I
4
I
5
I
6
I
7
10
S
1
9
S
2
ZZ
65
V
CC
= PIN 16
GND = PIN 8
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