74HC14U データシートの表示（PDF） - Philips Electronics

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74HC14U

Hex inverting Schmitt trigger

Philips Electronics 

Philips Semiconductors

Hex inverting Schmitt trigger

Product specification

74HC14; 74HCT14

handbook, full pagewidth

VCC

VI

PULSE

GENERATOR

VO

D.U.T.

RT

S1

RL =

1 kΩ

VCC

open

GND

CL =

50 pF

MNA742

TEST

tPLH/tPHL

tPLZ/tPZL

tPHZ/tPZH

S1

open

VCC

GND

Definitions for test circuit:

RL = Load resistor.

CL = load capacitance including jig and probe capacitance.

RT = termination resistance should be equal to the output impedance Zo of the pulse generator.

Fig.15 Load circuitry for switching times.

2003 Oct 30

16

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