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HC3-5560-5 - 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.

View original datasheet text
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 . . . . . . . . . . . . . . . . . . . . . . .