MC74HC14A(2014) Просмотр технического описания (PDF) - ON Semiconductor

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MC74HC14A
(Rev.:2014)

Hex Schmitt-Trigger Inverter

ON Semiconductor 

MC74HC14A

tf

tr

INPUT A

90%

50%

10%

tPLH

OUTPUT Y

90%

50%

10%

tTLH

VCC

GND

tPHL

tTHL

Figure 1. Switching Waveforms

DEVICE

UNDER

TEST

TEST

POINT

OUTPUT

CL*

*Includes all probe and jig capacitance

Figure 2. Test Circuit

4

3

(VT+)

VHtyp

2

(VT-)

1

2

3

4

5

6

VCC, POWER SUPPLY VOLTAGE (VOLTS)

VHtyp = (VT+ typ) - (VT- typ)

Figure 3. Typical Input Threshold, VT+, VT− versus Power Supply Voltage

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