IN74AC138 View Datasheet(PDF) - Integral Corp.

Part Name

Description

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IN74AC138

1-OF-8 DECODER/DEMULTIPLEXER

Integral Corp. 

IN74AC138

AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=3.0 ns)

VCC

Guaranteed Limits

*

Symbol

Parameter

V

25 °C

-40°C to

Unit

85°C

Min Max Min Max

tPLH Propagation Delay, Input A to Output 3.3 1.5 13.0 1.5 15.0 ns

Y (Figure 1)

5.0 1.5 9.5 1.5 10.5

tPHL Propagation Delay, Input A to Output 3.3 1.5 12.5 1.5 14.0 ns

Y (Figure 1)

5.0 1.5 9.0 1.5 10.5

tPLH Propagation Delay, CS2 or CS3 to 3.3 1.5 15.0 1.5 16.0 ns

Output Y (Figure 3)

5.0 1.5 11.0 1.5 12.0

tPHL Propagation Delay, CS2 or CS3 to 3.3 1.5 13.5 1.5 15.0 ns

Output Y (Figure 3)

5.0 1.5 9.5 1.5 10.5

tPLH Propagation Delay, CS1 to Output Y 3.3 1.5 15.5 1.5 16.5 ns

(Figure 2)

5.0 1.5 11.0 1.5 12.5

tPHL Propagation Delay, CS1 to Output Y 3.3 1.5 13.0 1.5 14.0 ns

(Figure 2)

5.0 1.5 8.0 1.0 9.5

CIN Maximum Input Capacitance

5.0

4.5

4.5

pF

CPD Power Dissipation Capacitance

*Voltage Range 3.3 V is 3.3 V ±0.3 V

Voltage Range 5.0 V is 5.0 V ±0.5 V

Typical @25°C,VCC=5.0 V

60

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

Figure 3. Switching Waveforms

4

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