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DP8459

Part Number	DP8459
Manufacturer	National Semiconductor
Description	All-Code Data Synchronizer
Published	Jan 7, 2006
Detailed Description	DP8459 All-Code Data Synchronizer DP8459 ADVANCED December 1995 DP8459 All-Code Data Synchronizer General Description...
Datasheet	DP8459 PDF File

Overview

DP8459 All-Code Data Synchronizer DP8459 ADVANCED December 1995 DP8459 All-Code Data Synchronizer General Description The DP8459 Data Synchronizer is an integrated phase locked loop circuit which has been designed for application in magnetic hard disk, ﬂexible (ﬂoppy) disk, optical disk, and tape drive memory systems for data re-synchronization and clock recovery with any standard recording code, operating to 25 Mb/s.
The DP8459 is provided in a 28-pin PCC package.
Zero phase start is employed during both data and reference clock lock sequences for rapid acquisition.
An optional (Customer-controlled) synchronization ﬁeld frequency-acquisition feature guarantees lock, accommodating the pre...

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