UM8329T

SUMO UM832918329T18329BI8329BT 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-CHANNEL TECHNOLOGY Single + 5 volt supply TTL compatible 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. The UM8329/B provides a number of different dynamically selected precom...