74LV423 datasheet(11/16 Pages) PHILIPS

No de pièce	74LV423

Description	Dual retriggerable monostable multivibrator with reset

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Fabricant	PHILIPS [NXP Semiconductors]

Site Internet	http://www.nxp.com

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Philips Semiconductors

Preliminary specification

74LV423

Dual retriggerable monostable multivibrator

with reset

1997 Feb 04

11

TEST CIRCUIT

SWITCH POSITION

PULSE

GENERATOR

RT

VI

D.U.T.

VO

CL

RL

VCC

RL

Test Circuit for switching times

Open

GND

S1

DEFINITIONS

VCC

VI

< 2.7V

VCC

TEST

S1

tPLH/tPHL

Open

RL = Load resistor; see AC CHARACTERISTICS for value.

CL = Load capacitance includes jig and probe capacitance:

See AC CHARACTERISTICS for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

2

< VCC

2

< VCC

tPLZ/tPZL

2.7V

2.7–3.6V

tPHZ/tPZH

GND

w 4.5V

VCC

SV00755

Figure 9. Load circuitry for switching times

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74LV423 Fiches technique(PDF) 11 Page - NXP Semiconductors

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