74LVT623 Ver la hoja de datos (PDF) - Philips Electronics

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74LVT623

3.3 V octal transceiver with dual enable (3-State)

Philips Electronics 

Philips Semiconductors

3.3 V octal transceiver with dual enable (3-State)

Product specification

74LVT623

TEST CIRCUIT AND WAVEFORM

VCC

PULSE

GENERATOR

VIN

RT

D.U.T.

VOUT

CL

Test Circuit for 3-State Outputs

SWITCH POSITION

TEST SWITCH

tPLH/tPHL

tPLZ/tPZL

tPHZ/tPZH

Open

6V

GND

6.0 V

Open

90%

RL

GND

NEGATIVE

PULSE

RL

POSITIVE

PULSE

10%

VM

10%

tW

VM

10%

tTHL (tF)

tTLH (tR)

90%

VM

90%

VM

tW

VM = 1.5 V

Input Pulse Definition

90%

AMP (V)

0V

tTLH (tR)

tTHL (tF)

AMP (V)

10%

0V

DEFINITIONS

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.

FAMILY

74LVT

INPUT PULSE REQUIREMENTS

Amplitude Rep. Rate tW

tR

tF

2.7 V

v10 MHz 500 ns v2.5 ns v2.5 ns

SV00092

1999 Jul 09

6

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