Datasheet4U Logo Datasheet4U.com

UM8398 - Floppy Disk Controller

Description

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.

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: 250-125 ns.
  • Internal data separator circuit.
  • Supports to control 8", 5%", 3'h" drives General.

📥 Download Datasheet

Datasheet Details

Part number UM8398
Manufacturer Unicorn Microelectronics
File Size 913.25 KB
Description Floppy Disk Controller
Datasheet download datasheet UM8398 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
UM8397 SINGLE-CHIP FLOPPY DISK CONTROLLER UMC Corporation
UM8312 Double Row Buffer UMC
UM8321 CRT Video Attributtes Controller UMC
UM8326 Floppy Disk Data Separator UMC
UM8326B Floppy Disk Data Separator UMC

Other Datasheets by Unicorn Microelectronics

Part Number Description
UM83C001 Hard Disk Cont{oller
UM83C002 RAM Buffer Controller

Full PDF Text Transcription

Click to expand full text
UNICOR~ MICROELECTRONIC~ .UMw -r-s-.2-.33 -ht UM8398 Single-Chip 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: 250-125 ns • Internal data separator circuit • Supports to control 8", 5%", 3'h" drives General Description 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.
Published: |