IN74HC640ADW 查看數據表（PDF） - IK Semicon Co., Ltd

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IN74HC640ADW

Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS

IK Semicon Co., Ltd 

IN74HC640A

AC ELECTRICAL CHARACTERISTICS (CL=50pF,Input tr=tf=6.0 ns)

Symbol

Parameter

tPLH, tPHL Maximum Propagation Delay, A to B , B to A

(Figures 1 and 3)

tPLZ, tPHZ Maximum Propagation Delay , Direction or

Output Enable to A or B (Figures 2 and 4)

tPZL, tPZH Maximum Propagation Delay , Direction or

Output Enable to A or B (Figures 2 and 4)

tTLH, tTHL Maximum Output Transition Time, Any Output

(Figures 1 and 3)

CIN

COUT

Maximum Input Capacitance (Pin 1 or Pin 19)

Maximum Three-State I/O Capacitance

(Output in High-Impedance State)

VCC

Guaranteed Limit

V 25 °C ≤85°C ≤125°C Unit

to

-55°C

2.0 75

4.5 15

6.0 13

95

110

ns

19

22

16

19

2.0 110

140

165

ns

4.5 22

28

33

6.0 19

24

28

2.0 110

140

165

ns

4.5 22

28

33

6.0 19

24

28

2.0 60

75

90

ns

4.5 12

15

18

6.0 10

13

15

-

10

10

10

pF

-

15

15

15

pF

Power Dissipation Capacitance (Per Transceiver

Channel)

Typical @25°C,VCC=5.0 V

CPD Used to determine the no-load dynamic power

consumption:

PD=CPDVCC2f+ICCVCC

40

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

Rev. 00

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