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CN8330

Framer and HDLC Controller


Overview

Description

The CN8330 is an integral DS-3/E3 framer designed to support the transmission formats defined by ANSI T1.107-1988, T1.107a-1989, T1.404 and ITU-T G.751 standards. All maintenance features required by Bellcore TR-TSY-000009 and AT&T PUB 54014 are provided. In addition, the CN8330 can be optionally configured as a High-Level Data Link Controller (HDLC) usable with or without DS-3/E3 framing overhead.

Features

  • Supports T3/E3 framing modes
  • Includes high-speed HDLC controller (52 MHz)
  • Framing recovery for M13, C-bit parity, Syntran and G.751 E3 signals
  • Serial or parallel (octet or nibble) interface modes
  • Average reframe time of less than 1 ms for T3 and less than 250 ?s for E3
  • Supports the LAPD terminal data link and FEAC channel as defined in T1.107a-1989
  • 68-pin PLCC or 80-pin MQFP surface-mount package
  • Operates from a single +5 VDC ±5% power supply
  • Low-power CMOS technology
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