74LS151 データシートの表示（PDF） - ON Semiconductor

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74LS151

8-Input Multiplexer

ON Semiconductor 

SN74LS151

CONNECTION DIAGRAM DIP (TOP VIEW)

VCC I4

I5

I6

I7 S0 S1 S2

16 15 14 13 12 11 10 9

1 2 3 4 56

I3

I2

I1

I0

Z

Z

78

E GND

PIN NAMES

S0 – S2

E

I0 – I7

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 mA 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

S0

I0

I1

I2

I3

I4

I5

I6

I7

10

S1

9

S2

ZZ

65

VCC = PIN 16

GND = PIN 8

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