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IN74ACT244DW

Octal 3-State Noninverting Buffer/Line Driver/Line Receiver

IK Semicon Co., Ltd 

IN74ACT244

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

Symbol

Parameter

tPLH Propagation Delay, A to YA or B to YB

(Figure 1)

tPHL Propagation Delay, A to YA or B to YB

(Figure 1)

tPZH Propagation Delay, Output Enable to YA or YB

(Figure 2)

tPZL Propagation Delay, Output Enable to YA or YB

(Figure 2)

tPHZ Propagation Delay, Output Enable to YA or YB

(Figure 2)

tPLZ Propagation Delay, Output Enable to YA or YB

(Figure 2)

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 9.0 1.5 10.0

ns

1.5 8.5 1.0 9.5

ns

2.0 9.5 1.5 10.5

ns

2.0 9.5 1.5 10.5

ns

2.5 10.0 2.0 10.5

ns

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

Rev. 00

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