IN74LS157 Ver la hoja de datos (PDF) - Integral Corp.

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IN74LS157

Quad 2-Input Data Selector/Multiplexer

Integral Corp. 

IN74LS157

AC ELECTRICAL CHARACTERISTICS (TA=25°C, VCC = 5.0 V, CL = 15 pF, RL = 2 kΩ, tr =15

ns, tf = 6.0 ns)

Symbol

Parameter

Min

Max

Unit

tPLH Propagation Delay, Input A or B to Output Y

14

ns

tPHL Propagation Delay, Input A or B to Output Y

14

ns

tPLH Propagation Delay, Select to Output Y

23

ns

tPHL Propagation Delay, Select to Output Y

27

ns

tPLH Propagation Delay, Output Enable to Output Y

20

ns

tPHL Propagation Delay, Output Enable to Output Y

21

ns

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

NOTES A. CL includes probe and jig capacitance.

B. All diodes are 1N916 or 1N3064.

Figure 3. Test Circuit

3

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