DP8459 All-Code Data Synchronizer

National Semiconductor

Description

DP8459 All-Code Data Synchronizer DP8459 ADVANCED December 1995 DP8459 All-Code Data Synchronizer General .
The DP8459 Data Synchronizer is an integrated phase locked loop circuit which has been designed for application in magnetic hard disk, ﬂexible (ﬂoppy).

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Datasheet Specifications

Part number: DP8459
Manufacturer: National Semiconductor
File Size: 403.77 KB
Datasheet: DP8459_NationalSemiconductor.pdf
Description: All-Code Data Synchronizer

Features

* n n n n n n n n n n n Fully integrated dual-gain PLL Zero phase start lock sequence 250 Kbit/sec
* 25 Mbit/sec data rate range Frequency lock capability (optional) for all standard recording codes Digital window strobe control, 5-bit resolution Two-port PLL ﬁlter network PLL free-run (Coast) c

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DP8459 All-Code Data Synchronizer National Semiconductor

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