UPD98411 Datasheet - NEC

UPD98411 ATM QUAD SONET FRAMER

DATA SHEET MOS INTEGRATED CIRCUIT µPD98411 ATM QUAD SONET FRAMER The µPD98411 NEASCOT-P40 is one of ATM-LAN LSIs and provides the functions of the TC sublayer of the SONET/SDH-base physical layer of the ATM protocol specified by the ATM Forum. Its main functions include a transmission function to map an ATM cell passed from an ATM layer to the payload of 155M-bps SONET STS3c/SDH STM-1 frame and transmit the cell to the PMD (Physical Media Dependent) sublayer of the physical layer, and a recep.

UPD98411 Features

* Incorporates an ATM user network interface TC sublayer function for four channels. Conforms to ATM FORUM UNI v3.1. Incorporates four clock recovery PLLs and one clock synthesizer PLL. Conforms to ATM FORUM UTOPIA Level 2 v1.0.

* ATM layers can be sele

UPD98411_NEC.pdf