74F14 datasheet(6/10 Pages) PHILIPS

Teilenummer	74F14

Bauteilbeschribung	8-input priority encoder

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Hersteller	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74F148

8-input priority encoder

March 1, 1990

6

AC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST

CONDITION

VCC = +5.0V

Tamb = +25°C

CL = 50pF, RL = 500Ω

VCC = +5.0V ± 10%

Tamb = 0°C to +70°C

CL = 50pF, RL = 500Ω

UNIT

MIN

TYP

MAX

MIN

MAX

tPLH

tPHL

Propagation delay

In to An

Waveform 2

3.5

6.0

9.0

3.5

10.0

ns

tPLH

tPHL

Propagation delay

In to EO

Waveform 1

1.5

3.0

2.5

6.5

1.5

7.5

ns

tPLH

tPHL

Propagation delay

In to GS

Waveform 2

2.0

4.0

8.0

2.0

9.0

ns

tPLH

tPHL

Propagation delay

EI to An

Waveform 2

3.5

3.0

6.0

5.5

8.5

8.0

3.5

3.0

9.5

9.0

ns

tPLH

tPHL

Propagation delay

EI to GS

Waveform 2

2.5

3.0

4.5

5.5

7.0

7.5

2.5

3.0

8.0

8.5

ns

tPLH

tPHL

Propagation delay

EI to EO

Waveform 2

3.0

3.5

5.0

7.0

7.5

3.0

3.5

8.0

9.0

ns

AC WAVEFORMS

For all waveforms, VM = 1.5V.

VM

An, EO, GS

In, EI

tPHL

tPLH

SF00186

Waveform 1.

For Inverting Outputs

VM

An, EO, GS

In, EI

tPHL

tPLH

SF00187

Waveform 2.

For Non-Inverting Outputs

TEST CIRCUIT AND WAVEFORMS

tw

90%

VM

10%

90%

VM

10%

90%

VM

10%

90%

VM

10%

NEGATIVE

PULSE

POSITIVE

PULSE

tw

AMP (V)

0V

tTHL (tf )

INPUT PULSE REQUIREMENTS

rep. rate

tw

tTLH

tTHL

1MHz

500ns

2.5ns

Input Pulse Definition

VCC

family

74F

D.U.T.

PULSE

GENERATOR

RL

CL

RT

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

VM

SF00006

Ähnliche Beschreibung - 74F14

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
ON Semiconductor	MC10H165	117Kb / 5P	8-Input Priority Encoder REV 5
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NXP Semiconductors	10165	222Kb / 5P	8-Input Priority Encoder June 14 1990
Motorola, Inc	MC10165	112Kb / 6P	8-Input Priority Encoder
Motorola, Inc	MC14532B	230Kb / 8P	8-BIT PRIORITY ENCODER
ON Semiconductor	MC10H165	158Kb / 8P	8?묲nput Priority Encoder March, 2006 ??Rev. 7
ON Semiconductor	MC14532B	197Kb / 12P	8-Bit Priority Encoder March, 2000 ??Rev. 3
STMicroelectronics	HCC4532B	312Kb / 15P	8-BIT PRIORITY ENCODER
Hitachi Semiconductor	HD14532B	77Kb / 5P	8-bit Priority Encoder
Fairchild Semiconductor	4532B	119Kb / 3P	8-INUPUT PRIORITY ENCODER

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