IN74AC245 データシートの表示（PDF） - IK Semicon Co., Ltd

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IN74AC245

Octal 3-State Noninverting Bus Transceiver

IK Semicon Co., Ltd 

IN74AC245

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

Symbol

Parameter

VCC*

Guaranteed Limits

V

25 °C

-40°C to Unit

85°C

Min Max Min Max

tPLH Propagation Delay, A to B, B to A

(Figure 1)

3.3 1.5 8.5 1.0 9.0 ns

5.0 1.5 6.5 1.0 7.0

tPHL Propagation Delay, A to B, B to A

(Figure 1)

3.3 1.5 8.5 1.0 9.0 ns

5.0 1.5 6.0 1.0 7.0

tPZH Propagation Delay, Direction or Output

Enable to A or B (Figure 2)

3.3 1.5 11.5 2.0 12.5 ns

5.0 1.5 8.5 1.0 9.0

tPZL Propagation Delay, Direction or Output

Enable to A or B (Figure 2)

3.3 2.5 12.0 2.0 13.5 ns

5.0 1.5 9.0 1.0 9.5

tPHZ Propagation Delay, Direction or Output

Enable to A or B (Figure 2)

3.3 2.0 12.0 1.0 12.5 ns

5.0 1.5 9.0 1.0 10.0

tPLZ Propagation Delay, Direction or Output

Enable to A or B (Figure 2)

3.3 2.0 11.5 1.5 13.0 ns

5.0 1.5 9.0 1.0 10.0

CIN

COUT

Maximum Input Capacitance

Maximum Three-State I/O Capacitance

(I/O in High-Impedance State)

5.0

4.5

5.0

15

4.5

pF

15

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

45

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

Rev. 00

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