Product Summary

The CN8478EPF is an advanced Multichannel controller Synchronous Communication Controller (MUSYCC) that format and deformat up to to 256 channels in a single CMOS integrated circuit. The CN8478EPF operates at Layer 2 of the Open Systems Interconnection (OSI) protocol reference model. The CN8478EPF provides a comprehensive, high-density solution for processing HDLC channels for internetworking applications such as Frame Relay, ISDN D-channel signaling, X.25, Signaling System 7 (SS7), DXI, ISUP, and LAN/WAN data transport.

Parametrics

CN8478EPF absolute maximum ratings: (1) Supply Voltage VDDi, VDDo: 3.0 to 3.6V; (2) Input High Voltage Vih: 0.5VDD to VGG +0.5V; (3) Input Low Voltage Vil: -0.5V to 0.3VDD; (4) Input Pull-up Voltage Vipu: 0.7VDD ; (5) Input Leakage Current Iil: 0<Vin<VDD: ±10μA; (6) Output High Voltage Voh: Iout=-500μA: 0.9Vdd.

Features

CN8478EPF features: (1) Indeterminate inputs and metastability; (2) Power requirements, sequencing, decoupling; (3) PCI DC specifications; (4) PCI AC specifications; (5) PCI V/I curves; (6) Maximum AC ratings and device protection.

Diagrams

CN8478EPF Block Diagram