MC100H642 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC100H642

68030/040 PECL–TTL Clock Driver

Motorola => Freescale 

MC10H642 MC100H642

SWITCHING CIRCUIT AND WAVEFORMS

Switching Circuit PECL:

PECL

USE 0.1 µF CAPACITORS

FOR DECOUPLING.

PULSE

GENERATOR

50 Ω COAX

VEE

VCC & VCCO

IN

DEVICE

OUT

UNDER

TEST

450 Ω

TTL

+7 V

tPZL, tPLZ

OC

USE OSCILLOSCOPE

INTERNAL 50 Ω LOAD

FOR TERMINATION.

CH A

CH B

OSCILLOSCOPE

DEVICE

UNDER

TEST

50 pF

OPEN

ALL

OTHERS

R1

500 Ω

R2

500 Ω

WAVEFORMS: Rise and Fall Times

PECL/TTL

Vout

Trise

80%/2.0 V

20%/0.8 V

Tfall

Propagation Delay — Single Ended

PECL/TTL

50%/1.5 V

Vin

Tpd++

50%/1.5 V

Vout

Tpd––

MECL Data

2–7

DL122 — Rev 6

MOTOROLA

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