74F02 datasheet(4/11 Pages) PHILIPS

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Philips Semiconductors

Product specification

74F02

Quad 2-input NOR gate

1990 Oct 04

AC ELECTRICAL CHARACTERISTICS

LIMITS

TEST

VCC = +5.0V

VCC = +5.0V ± 10%

SYMBOL

PARAMETER

TEST

CONDITION

Tamb = +25°C

Tamb = 0°C to +70°C

Tamb = –40°C to +85°C

UNIT

CONDITION

CL = 50pF, RL = 500Ω

MIN

TYP

MAX

MIN

MAX

MIN

MAX

tPLH

tPHL

Propagation delay

Dna, Dnb to Qn

Waveform 1

2.5

2.0

4.4

3.2

5.5

4.3

2.5

2.0

6.5

5.3

2.5

1.5

7.0

6.0

AC WAVEFORMS

For all waveforms, VM = 1.5V.

Dna, Dnb

tPHL

tPLH

SF00005

Waveform 1.

Propagation delay for inverting outputs

TEST CIRCUIT AND WAVEFORM

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 Totem-Pole 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

SF00006

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