CD3207 datasheet(11/14 Pages) PHILIPS

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Philips Semiconductors

Product specification

FB2041

7-bit Futurebus+ transceiver

1995 May 25

TEST CIRCUIT AND WAVEFORMS

2.5ns

500ns

INPUT PULSE REQUIREMENTS

Rep. Rate

Amplitude

tTLH

tTHL

1MHz

3.0V

2.5ns

Input Pulse Definitions

VM = 1.55V for Bn, VM = 1.5V for all others.

VCC

Family

FB+

D.U.T.

PULSE

GENERATOR

7.0V

VIN

VOUT

Test Circuit for 3-State Outputs on A Port

TEST

SWITCH

SWITCH POSITION

tPLZ, tPZL

All other

closed

open

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.

CD = Load capacitance includes jig and probe capacitance; see AC

CHARACTERISTICS for value.

RU = Pull up resistor; see AC CHARACTERISTICS for value.

90%

10%

90%

10%

90%

10%

90%

10%

NEGATIVE

PULSE

POSITIVE

PULSE

LOW V

tTHL (tf)

tTLH (tr)

BIAS

Low V

0.0V

tTLH (tr)

tTHL (tf)

A Port

1MHz

2.0V

2.5ns

1.0V

B Port

VCC

D.U.T.

PULSE

GENERATOR

VIN

VOUT

Test Circuit for Outputs on B Port

BIAS

2.0V (for RU = 9 Ω)

2.1V (for RU = 16.5 Ω)

SG00059

VIN

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