FBL22041BB 查看數據表（PDF） - Philips Electronics

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FBL22041BB

3.3V BTL 7-bit Futurebus + transceiver (standard A-port)

Philips Electronics 

Philips Semiconductors

3.3V BTL 7-bit Futurebus+ transceiver (standard A-port)

Product specification

FBL22041

TEST CIRCUIT AND WAVEFORMS

VCC

BIAS

V

RL

VIN

VOUT

PULSE

D.U.T.

GENERATOR

RT

CL RL

6.0V

Test Circuit for 3-State Outputs on A Port

SWITCH POSITION FOR ALL A-PORTS

TEST

SWITCH

tPLH, tPHL

tPLZ, tPZL

tPHZ, tPZH

OPEN

CLOSED

GND

VCC

BIAS

V

2.0V (for RU = 9 Ω)

2.1V (for RU = 16.5 Ω)

NEGATIVE

PULSE

90%

POSITIVE

PULSE

10%

tW

VM

10%

tTHL (tf)

VM

10%

90%

VIN

LOW V

tTLH (tr)

tTLH (tr)

90%

VM

tW

90%

VM

tTHL (tf)

VIN

10%

LOW V

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

Input Pulse Definitions

Family

FB+

A Port

B Port

INPUT PULSE REQUIREMENTS

Amplitude Low V Rep. Rate tW tTLH

3.0V

0.0V

1MHz 500ns 2.5ns

2.0V

1.0V

1MHz 500ns 2.5ns

tTHL

2.5ns

2.5ns

VIN

PULSE

GENERATOR

VOUT

D.U.T.

RT

RU

CD

Test Circuit for Outputs on B Port

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.

SG00090

1998 Aug 12

11

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