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HC-5560 - PCM Transcoder

General Description

PIN NUMBER 1 2, 5 FUNCTION Force AIS Mode Select 1, Mode Select 2 DESCRIPTION Pin 19 must be at logic ‘0’ to enable this pin.

A logic ‘1’ on this pin forces OUT1 and OUT2 to all ‘1’s.

A logic ‘0’ on this pin allows normal operation.

Key Features

  • Single 5V Supply.
  • . . .10mA (Typ).
  • Mode Selectable Coding Including: - AMI (T1, T1C) - B8ZS (T1) - HDB3 (PCM30).
  • North American and European Compatibility.
  • Simultaneous Encoding and Decoding.
  • Asynchronous Operation.
  • Loop Back Control.
  • Transmission Error Detection Ordering Information PART NUMBER HC3-5560-5 TEMP. RANGE (oC) 0 to 70.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HC-5560 Data Sheet January 1997 File Number 2887.2 PCM Transcoder The HC-5560 digital line transcoder provides encoding and decoding of pseudo ternary line code substitution schemes. Unlike other industry standard transcoders, the HC-5560 provides four worldwide compatible mode selectable code substitution schemes, including HDB3 (High Density Bipolar 3), B6ZS, B8ZS (Bipolar with 6 or 8 Zero Substitution) and AMI (Alternate Mark Inversion). The HC-5560 is fabricated in CMOS and operates from a single 5V supply. All inputs and outputs are TTL compatible. Application Note #573, “The HC-5560 Digital Line Transcoder,” by D.J. Donovan is available. Features • Single 5V Supply . . . . . . . . . . . . . . . . . . . . . . .