IN74ACT240 查看數據表（PDF） - Integral Corp.

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IN74ACT240

OCTAL 3-STATE INVERTING BUFFER/LINE DRIVER/LINE RECEIVER

Integral Corp. 

IN74ACT240

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

Guaranteed Limits

Symbol

Parameter

25 °C

-40°C to

Unit

85°C

Min Max Min Max

tPLH Propagation Delay, A to YA or B to YB 1.5 8.5 1.5 9.5

ns

(Figure 1)

tPHL Propagation Delay, A to YA or B to YB 1.5 7.5 1.5 8.5

ns

(Figure 1)

tPZH Propagation Delay, Output Enable to YA 1.5 8.5 1.0 9.5

ns

or YB (Figure 2)

tPZL Propagation Delay, Output Enable to YA 2.0 9.5 1.5 10.5 ns

or YB (Figure 2)

tPHZ Propagation Delay, Output Enable to YA 2.0 9.5 2.0 10.5 ns

or YB (Figure 2)

tPLZ Propagation Delay, Output Enable to YA 2.5 10.0 2.0 10.5 ns

or YB (Figure 2)

CIN Maximum Input Capacitance

4.5

4.5

pF

CPD Power Dissipation Capacitance

Typical @25°C,VCC=5.0

V

45

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

4

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