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N74F8965A

9-Bit address/data Futurebus transceiver, ADT

Philips Electronics 

Philips Semiconductors FAST Products

9-Bit address/data Futurebus transceiver, ADT

Product specification

74F8965/74F8966

TEST CIRCUITS AND WAVEFORMS

SWITCH POSITION

TEST SWITCH

tPLZ, tPZL closed

VCC

All other open

VIN

VOUT

RL

PULSE

D.U.T.

GENERATOR

RT

CL RL

Test circuit for 3–state outputs on A port

VCC

7.0V

7.0V

90%

NEGATIVE

PULSE

POSITIVE

PULSE

10%

tw

VM

10%

tTHL (tf )

VM

10%

tTLH (tr )

tTLH (tr )

90%

VM

tw

tTHL (tf )

90%

VM

Input pulse definition

90%

AMP (V)

Low V

AMP (V)

10%

Low V

VIN

VOUT

RU

PULSE

D.U.T.

GENERATOR

INPUT PULSE REQUIREMENTS

family

74F amplitude Low V VM rep. rate

tw

tTLH

tTHL

RT

CD

A port 3.0V

0.0V 1.5V 1MHz

B port 3.0V

1.0V 1.5V 1MHz

Test circuit for outputs on B port

DEFINITIONS:

RL =

CL =

RU =

CD =

RT =

Load resistor; see AC electrical characteristics for value.

Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value.

Pull up resistor; see AC electrical characteristics for value.

Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value.

Termination resistance should be equal to ZOUT of pulse generators.

500ns 2.5ns 2.5ns

500ns 4.0ns 4.0ns

December 19, 1990

11

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