DS21352 - Dallas Semiconducotr

DS21352 3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can generate both DSX–1 line build outs as well as CSU line build-outs of -7.5dB, -.

Features

§ § § § § § § § § § § § § § § § Complete DS1/ISDN
  –PRI/J1 transceiver functionality Long and Short haul LIU Crystal
  –less jitter attenuator Generates DSX
  –1 and CSU line build-outs HDLC controller with 64-byte buffers Configurable for FDL or DS0 operation Dual two
  –frame elastic store slip buffers that can connect to asynchronous backplanes up to 8.192MHz 8.192MHz clock output locked to RCLK Interleaving PCM Bus Operation Per-channel loopback and idle code insertion 8-bit parallel control port muxed or nonmuxed buses (Intel or Motorola) Programmable output clocks for Fractional T1 Fully independen.