UMC UM8329T
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. The UM8329/B provides a number of different dynamically selected precomFEATURES
● 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-CHANNEL TECHNOLOGY
● Single + 5 volt supply
● TTL compatible
GENERAL DESCRIPTION
A single pin will / configure the chip to work with either the 179X or 8272A type of controller.