74F652A datasheet(11/14 Pages) PHILIPS

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Philips Semiconductors

Product specification

74F651A/74F652A

Transceivers/registers

1999 Jun 23

TEST CIRCUIT AND WAVEFORMS

90%

10%

90%

10%

90%

10%

90%

10%

NEGATIVE

PULSE

POSITIVE

PULSE

AMP (V)

tTHL (tf )

INPUT PULSE REQUIREMENTS

rep. rate

tTLH

tTHL

1MHz

500ns

2.5ns

Input Pulse Definition

VCC

family

74F

D.U.T.

PULSE

GENERATOR

VIN

VOUT

Test Circuit for Open Collector Outputs

DEFINITIONS:

RL = Load resistor;

see AC electrical characteristics for value.

CL = Load capacitance includes jig and probe capacitance;

see AC electrical characteristics for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

tTHL (tf )

tTLH (tr )

AMP (V)

amplitude

3.0V

1.5V

7.0V

SF00128

TEST

SWITCH

tPLZ

closed

tPZL

closed

All other

open

SWITCH POSITION

74F652A Datasheet(PDF) 11 Page - NXP Semiconductors

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