SL74HC139 데이터 시트보기 (PDF) - System Logic Semiconductor

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SL74HC139

Dual 1-of-4 Decoder/Demultiplexer

System Logic Semiconductor 

SL74HC139

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

Symbol

Parameter

VCC

Guaranteed Limit

V 25 °C to ≤85°C ≤125°C Unit

-55°C

tPLH, tPHL Maximum Propagation Delay, Select to OutputY

2.0 115

145

175

ns

(Figures 1 and 3)

4.5 23

29

35

6.0 20

25

30

tPLH, tPHL Maximum Propagation Delay , Input A to OutputY 2.0 115

145

175

ns

(Figures 2 and 3)

4.5 23

29

35

6.0 20

25

30

tTLH, tTHL Maximum Output Transition Time, Any Output

2.0 75

95

110

ns

(Figures 1 and 3)

4.5 15

19

22

6.0 13

16

19

CIN

Maximum Input Capacitance

-

10

10

10

pF

Power Dissipation Capacitance (Per Decoder)

CPD Used to determine the no-load dynamic power

consumption:

PD=CPDVCC2f+ICCVCC

Typical @25°C,VCC=5.0 V

55

pF

Figure 1. Switching Waveforms

Figure 2. Switching Waveforms

SLS

System Logic

Semiconductor

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