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UM8329B Datasheet Floppy Disk Interface

Manufacturer: UMC

Download the UM8329B datasheet PDF. This datasheet also includes the UM8329 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UM8329-UMC.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UM8329B
Manufacturer UMC
File Size 311.52 KB
Description Floppy Disk Interface
Datasheet download datasheet UM8329B Datasheet

General Description

The UM8329/B is an MOS integrated circuit designed to complement either the 179X or 8272A (765A) type of floppy disk controller chip.

It incorporates a digital data separator, write precompensation logic, and a head-load timer in one O.3-inch wide 20-pin package.

A single pin will / configure the chip to work with either the 179X or 8272A type of controller.

Overview

SUMO UM832918329T18329BI8329BT.

Key Features

  • Digital date separator Performs complete data separation function for floppy disk drives Separates FM and MFM encoded data No critical adjustments necessary 5%" and 8" compatible.
  • Variable write precompensation.
  • Internal crystal osci lIator circu it.
  • Track-selectable write precompensation.
  • Retriggerable head-load timer.
  • Compatible with the FDC 179X, 8272A, and other standard floppy disk controllers.
  • SAN-III MOS N-.

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