DS2153Q

DS2153Q E1 Single-Chip Transceiver www.dalsemi.com FEATURES Complete E1(CEPT) PCM-30/ISDN-PRI transceiver functionality Onboard line interface for clock/data recovery and waveshaping 32-bit or 128-bit jitter attenuator Generates line build-outs for both 120-ohm and 75-ohm lines Frames to FAS, CAS, and CRC4 formats Dual onboard two-frame elastic store slip buffers that can connect to backplanes up to 8.192 MHz 8-bit parallel control port that can be used on either multiplexed or non-multiplexed buses Extracts and inserts CAS signaling Detects and generates Remote and AIS alarms Programmable output clocks for Fractional E1, H0, and H12 applications Fully independent transmit and receive functionality Full access to both Si and Sa bits Three separate loopbacks for testing Large counters for bipolar and code violations, CRC4 code word errors, FAS errors, and E bits Pin-compatible with DS2151Q T1 SingleChip Transceiver 5V supply; low power CMOS Industrial grade version (-40°C to +85°C) available (DS2153QN) PIN ASSIGNMENT FUNCTIONAL BLOCKS LONG & SHORT HAUL LINE INTERFACE PARALLEL CONTROL PORT DALLAS DS2153Q E1 SCT ACTUAL SIZE OF 44-PIN PLCC CS RD AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 TCHCLK 6 5 4 3 2 1 44 43 42 41 18 19 20 21 22 23 24 25 26 27 FRAMER DESCRIPTION The DS2153Q T1 Single-Chip Transceiver (SCT) contains all of the necessary functions for connection to E1 lines. The onboard clock/data recovery circuitry coverts the AMI/HDB3 E1 waveforms to a NRZ serial stream. The DS...