ASIC Design and Realization of an Ethernet MAC Controller

The design and implementation of a 10/100 (Mb/s) Ethernet media access controller chip are presented in this paper.Chip architecture and the design methods of main modules are introduced.The simulation results are also given in this paper.This chip is fabricated using 0.25 μm CMOS technology and operates at 2.5 V/3.3 V supply voltage.Test results show that the chip performance fully complies with IEEE802.3 standard and meets the design requirements.