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74ABT16841A

20-bit bus interface latch (3-State)

NXP Semiconductors. 

Philips Semiconductors

20-bit bus interface latch (3-State)

Product data

74ABT16841A

TEST CIRCUIT AND WAVEFORM

VCC

VIN

VOUT

RL

PULSE

D.U.T.

GENERATOR

RT

CL

RL

Test Circuit for 3-State Outputs

SWITCH POSITION

TEST SWITCH

tPLZ

closed

tPZL

closed

All other open

7.0 V

90%

NEGATIVE

PULSE

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

74ABT

INPUT PULSE REQUIREMENTS

Amplitude Rep. Rate tW

tR

tF

3.0 V

1 MHz 500 ns 2.5 ns 2.5 ns

SA00654

2004 Feb 02

7

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