WD1691

FLOPPY SUPPORT LOGIC

Western Digital

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WD1691 Datasheet (367.72 KB)

WD1691 Datasheet Preview — Preview of WD1691 PDF Datasheet

Datasheet Details

Part number:

WD1691

Manufacturer:

Western Digital

File Size:

367.72 KB

Description:

Floppy support logic

WD1691 Features

* .. Direct interface to the FD179X

* Eliminates external FDC Logic .. Data Separation/RCLK GENERATION .. Write Precompensation Signals

* VFOE/WF Demultiplexing

* Programmable Density o 8" or 5.25" Drive Compatible .. All inputs and outputs TTL Compatible Single +5V Supply GE

WD1691 General Description

The WD1691 F.S.L. has been designed to minimize the external logic required to interface the 179X Family of Floppy Disk Controllers to a drive. With the use of an external VCO, the WD 1691 will generate the RCLK signal for the WD179X, while providing an adjustment pulse (PUMP) to control the VCO fre.

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WD1691 FLOPPY SUPPORT LOGIC Western Digital

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