IZ74HCT21A Ver la hoja de datos (PDF) - Integral Corp.

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componentes Descripción

Fabricante

IZ74HCT21A

Dual 4-Input AND Gate

Integral Corp. 

IN74HCT21A

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

Symbol

Parameter

tPHL, tPLH

tTHL, tTLH

CIN

Maximum Propagation Delay (Figure 1)

Maximum Output Transition Time (Figure 1)

Maximum Input Capacitance

VCC

Guaranteed Limit

V 25 °C to ≤85°C ≤125°C Unit

-55°C

4.5 27

34

41

ns

4.5 15

19

22

ns

5.0 10

10

10

pF

Power Dissipation Capacitance (Per Gate)

CPD Used to determine the no-load dynamic power

consumption:

PD=CPDVCC2f+ICCVCC

TA=25°C,VCC=5.0 V

50

pF

tLH

tHL

0.9

Input

V1

0.1

tPLH

0.9

V1

0.1

tPHL

Output

0.9

V1

0.1

tTLH

0.9

V1

0.1

tTHL

V1 = 1.3 V

VI= 3.0 V

VIH

GND

VOH

0V

VI

PULSE

GENERAT OR

Figure 1. Switching Waveforms

VCC

DEVICE

UNDER

RT

TEST

VO

CL

50 pF

Termination resistance RT – should

be equal to ZOUT of pulse

generators

Figure 2. Test Circuit

INTEGRAL

4

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