74ABT5074 データシートの表示（PDF） - Philips Electronics

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74ABT5074

Synchronizing dual D-type flip-flop with metastable immune characteristics

Philips Electronics 

Philips Semiconductors

Synchronizing dual D-type flip-flop

with metastable immune characteristics

Product data

74ABT5074

TEST CIRCUIT AND WAVEFORM

VIN

PULSE

GENERATOR

VCC

VOUT

D.U.T.

NEGATIVE

PULSE

90%

tw

VM

10%

tTHL (tf )

VM

10%

90%

AMP (V)

0V

tTLH (tr )

RT

CL RL

tTLH (tr )

tTHL (tf )

90%

90%

AMP (V)

POSITIVE

PULSE

VM

VM

Test Circuit for 3-State Outputs

10%

tw

10%

0V

DEFINITIONS:

VM = 1.5V

RL = Load resistor; see AC CHARACTERISTICS for value.

Input Pulse Definition

CL = Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

INPUT PULSE REQUIREMENTS

RT = Termination resistance should be equal to ZOUT of

pulse generators.

FAMILY

amplitude

rep. rate

tw

tR

tF

74ABT 3.0V

1MHz

500ns 2.5ns 2.5ns

SA00058

2002 Dec 17

8

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