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MC100H642 - 68030/040 PECL-TTL CLOCK DRIVER

Datasheet Summary

Description

The MC10H/100H642 generates the necessary clocks for the 68030, 68040 and similar microprocessors.

to part skew, within

part skew and also duty cycle skew.

Features

  • http://onsemi. com PLCC.
  • 28 FN SUFFIX CASE 776.

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Datasheet preview – MC100H642

Datasheet Details

Part number MC100H642
Manufacturer ON Semiconductor
File Size 198.67 KB
Description 68030/040 PECL-TTL CLOCK DRIVER
Datasheet download datasheet MC100H642 Datasheet
Additional preview pages of the MC100H642 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com MC10H642, MC100H642 68030/040 PECL to TTL Clock Driver Description The MC10H/100H642 generates the necessary clocks for the 68030, 68040 and similar microprocessors. It is guaranteed to meet the clock specifications required by the 68030 and 68040 in terms of part−to−part skew, within−part skew and also duty cycle skew. The user has a choice of using either TTL or PECL (ECL referenced to +5.0 V) for the input clock. TTL clocks are typically used in present MPU systems. However, as clock speeds increase to 50 MHz and beyond, the inherent superiority of ECL (particularly differential ECL) as a means of clock signal distribution becomes increasingly evident. The H642 also uses differential PECL internally to achieve its superior skew characteristic.
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