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Model 643H

Very Low Jitter HCSL Clock

DOC# 008-0582-0 Rev. C

Page 3 of 7

Electrical Specifications

Enable Truth Table

Pin 1

Pin 4 & Pin 5

Logic ‘1’

Output

Open

Output

Logic ‘0’

High Imp.

Test Circuit

HCSL

Output Waveform

HCSL