UM82C480 Datasheet - UMC

UM82C480 386/486 PC Chip Set

The UM82C480 is a highly integrated, IBM PC/AT compatible chip set for high performance 80386/80486 based personal computer systems. Built with exquisite cache controller in advanced 1.0um CMOS technology, UM82C481 (Integrated Memory Controller, IMC), UM82C482 (Integrated System Controller, ISC), wi.

UM82C480 Features

* 100% IBM PC/AT compatible Support 80386 CPU running at 25/33/40 MHz Support 80486 CPU running at 25/33/40/50 MHz in 1X clock Support Intel 80387 / Weitek 3167 / Weitek 4167 Floating Point Coprocessors Built-in cache controller: - Direct-mapped organization with write-back operation - Q wait state fo

UM82C480 Datasheet (256.37 KB)