Datasheet Details
Part number:
UM8398
Manufacturer:
Unicorn Microelectronics
File Size:
913.25 KB
Description:
Floppy Disk Controller
Features
* IBM PC XT/AT drive system compatible
* Supports 2 drives (MS-DOS support)
* 1.2M/360K/720K format selectable .
* IBM PC drive system address decoder
* Only 3 components for the drive
* Internal write precompensation circuit; precompensation values:
UM8398_UnicornMicroelectronics.pdf
UM8398, Floppy Disk Controller
The UM8398 is a VLSI Floppy Disk Controller (FDC) chip, which contains the circuitry and c9ntrol functions for interfacing a processor with up to 2 floppy disk drives.
It Is capable of supporting 360K Bytes, 1.2M Bytes (in 5%'' diskette drives), 720K Bytes, and 1.44M Bytes, (in 3Y:i'' diskette drive
UM8398 Distributor
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