74F51 View Datasheet(PDF) - Philips Electronics

Part Name

Description

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74F51

Dual 2-wide 2-input, 2-wise 3-input AND-OR-invert gate

Philips Electronics 

Philips Semiconductors

Dual 2-wide 2-input, 2-wide 3-input AND-OR-invert gate

Product specification

74F51

AC ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

tPLH

Propagation delay

tPHL

Dna, Dnb, Dnc, Dnd, Dne, Dnf to Qn

AC WAVEFORMS

TEST

CONDITION

Waveform 1

LIMITS

VCC = +5.0V

Tamb = +25°C

CL = 50pF, RL = 500Ω

MIN

TYP MAX

VCC = +5.0V ± 10%

Tamb = 0°C to +70°C

CL = 50pF, RL = 500Ω

MIN

MAX

2.0

3.5

5.5

1.5

6.5

1.0

2.5

4.0

1.0

4.5

UNIT

ns

Dna, Dnb, Dnc, Dnd, Dne, Dnf

VM

VM

tPHL

tPLH

Qn

VM

VM

NOTE:

For all waveforms, VM = 1.5V.

SF00089

Waveform 1. Propagation Delay for Inverting Outputs

TEST CIRCUIT AND WAVEFORM

VIN

PULSE

GENERATOR

VCC

VOUT

D.U.T.

NEGATIVE

PULSE

90%

tw

VM

10%

tTHL (tf )

VM

10%

tTLH (tr )

90%

AMP (V)

0V

RT

CL RL

Test Circuit for Totem-Pole Outputs

POSITIVE

PULSE

10%

tTLH (tr )

90%

VM

tw

tTHL (tf )

90%

VM

AMP (V)

10%

0V

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.

Input Pulse Definition

family

74F

INPUT PULSE REQUIREMENTS

amplitude VM rep. rate

tw

tTLH

3.0V 1.5V 1MHz 500ns 2.5ns

tTHL

2.5ns

SF00006

March 3, 1989

4

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