Micrel, Inc.
NOT RECOMMENDED FOR NEW DESIGNS PROGRAMMABLE DELAY CHIP Precison Edge® Precison SESYdY1g1000eEE®119955 SY10E195 SY100E195 FEATURES s Up to 2ns delay range s Extended 100E VEE range of –4.
2V to –5.
5V s ≈20ps/digital step resolution s 1GHz bandwidth s On-chip cascade circuitry s 75KkΩ input pulldown resistor s Fully compatible with Motorola MC10E/100E195 s Available in 28-pin PLCC package DESCRIPTION The SY10/100E195 are programmable delay chips (PDCs) designed primarily for clock de-skewing and timing adjustment.
They provide variable delay of a differential ECL input transition.
The delay section consists of a chain of gates organized as shown in the logic diagram.
The firs...

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