74LVC02A datasheet(5/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74LVC02A

Quad 2-input NOR gate

1998 Apr 28

AC CHARACTERISTICS

GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 3.3V ±0.3V

VCC = 2.7V

VCC = 1.2V

UNIT

MIN

TYP1

MAX

MIN

TYP1

MAX

TYP

tPHL/tPLH

Propagation delay

nA, nB to nY

Figures 1, 2

1.5

2.8

4.6

1.5

3.2

5.6

NOTE:

1. These typical values are at VCC = 3.3V and Tamb = 25°C.

AC WAVEFORMS

VM = 1.5 V at VCC w 2.7 V

VM = 0.5 S VCC at VCC < 2.7 V

VOL and VOH are the typical output voltage drop that occur with the

output load.

SV00392

nA, nB, INPUT

GND

VOH

nY OUTPUT

VOL

tPHL

tPLH

Waveform 1. Input (nA, nB) to output (nY) propagation delays.

TEST CIRCUIT

PULSE

GENERATOR

D.U.T.

50pF

< VCC

Open

GND

500

Ω

500

Ω

VCC

t 2.7V

VCC

2.7V – 3.6V

2.7V

Test

tPLH/tPHL

Open

VCC

SY00077

Waveform 2.

Load circuitry for switching times.

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