IDT77V107

Single ATM PHY for 25.6 and 51.2 Mbps with Utopia Level 2 IDT77V107 Features List ! ! ! ! ! ! ! ! ! ! ! ! Performs the PHY-Transmission Convergence (TC) and Physical Media Dependent (PMD) Sublayer functions of the Physical Layer Compliant to ATM Forum (af-phy-040.000) and ITU-T I.432.5 specifications for 25.6 Mbps physical interface Also operates at 51.2Mbps 8-bit Utopia Level 2 Interface 3-Cell Transmit & Receive FIFOs Receiver Auto-Synchronization and Good Signal Indication Supports UTP Category 3 physical media Interfaces to standard magnetics Low-Power CMOS 3.3V supply with 5V tolerant inputs 100-lead TQFP Package (14 x 14 mm) Commercial and Industrial temperature ranges layer device such as a SAR or a switch ASIC. The IDT77V107 also operates at 51.2 Mbps and is well suited to backplane driving applications. The 77V107 has an 8-bit UTOPIA Level 2 interface on the cell side. The IDT77V107 is fabricated using IDT's state-of-the-art CMOS technology, providing the highest levels of integration, performance and reliability, with the low-power consumption characteristics of CMOS. 77V107 Overview The 77V107 is a physical layer interface chip for 25.6Mbps ATM network communications as defined by ATM Forum document af-phy040.000 and ITU-T I.432.5. The physical layer is divided into a Physical Media Dependent sub layer (PMD) and Transmission Convergence (TC) sub layer. It is based on the 77V106. The PMD sub layer includes the functions for the transmitter, receiver and clock...