IN74ACT157 查看數據表（PDF） - IK Semicon Co., Ltd

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IN74ACT157

Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS

IK Semicon Co., Ltd 

IN74ACT157

AC ELECTRICAL CHARACTERISTICS (VCC=5.0 V ± 10%, CL=50pF,Input tr=tf=3.0 ns)

Symbol

Parameter

tPLH Propagation Delay, Select to Output Y

(Figure 2)

tPHL Propagation Delay, Select to Output Y

(Figure 2)

tPLH Propagation Delay, Output Enable to

Output Y (Figure 3)

tPHL Propagation Delay, Output Enable to

Output Y (Figure 3)

tPLH Propagation Delay, Input A or B to Output Y

(Figure 1)

tPHL Propagation Delay, Input A or B to Output Y

(Figure 1)

CIN Maximum Input Capacitance

Guaranteed Limits

25 °C

-40°C to

Unit

85°C

Min Max Min Max

2.0 9.0 1.5 10.0

ns

2.0 9.5 2.0 10.5

ns

1.5 10 1.5 11.5

ns

1.5 8.5 1.0 9.0

ns

1.5 7.0 1.0 8.5

ns

1.5 7.5 1.0 8.5

ns

4.5

4.5

pF

CPD Power Dissipation Capacitance

Typical @25°C,VCC=5.0 V

50

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

Rev. 00

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