74ALVT162240 datasheet(7/10 Pages) PHILIPS

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Philips Semiconductors

Product specification

74ALVT162240

2.5V/3.3V 16-bit inverting buffer/driver with

Ω termination resistors (3-State)

1998 Feb 13

AC WAVEFORMS

VM = 1.5V at VCC w 3.0V, VM = VCC/2 at VCC v 2.7V

VX = VOL + 0.3V at VCC w 3.0V, VX = VOL + 0.150V at VCC v 2.7V

VY = VOH – 0.3V at VCC w 3.0V, VY = VOH – 0.150V at VCC v 2.7V

SW00160

nAx INPUT

nYx OUTPUT

tPLH

tPHL

3.0V or VCC,

whichever is less

VOH

VOL

Waveform 1.

Input (nAx) to Output (nYx) Propagation Delays

nOE

INPUT

tPZH

tPHZ

nYx

OUTPUT

VOH

nYx

OUTPUT

VOL

tPZL

tPLZ

3.0V or VCC

whichever is

less

SW00161

Waveform 2.

3-State Output Enable and Disable Times

TEST CIRCUIT AND WAVEFORMS

PULSE

GENERATOR

VIN

D.U.T.

VOUT

VCC

OPEN

AMP (V)

NEGATIVE

PULSE

10%

90%

AMP (V)

POSITIVE

PULSE

90%

10%

tTHL (tF)

tTLH (tR)tTHL (tF)

tTLH (tR)

Input Pulse Definition

INPUT PULSE REQUIREMENTS

FAMILY

Amplitude

Rep. Rate

74ALVT16

GND

Test Circuit for 3-State Outputs

SWITCH POSITION

TEST

SWITCH

tPHZ/tPZH

GND

tPLZ/tPZL

6V or VCC x 2

tPLH/tPHL

open

DEFINITIONS

3.0V or VCC

whichever

is less

≤10MHz

500ns

≤2.5ns ≤2.5ns

RL = Load resistor; see AC CHARACTERISTICS for value.

CL = Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

RT = Termination resistance should be equal to ZOUT of

pulse generators.

SW00232

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