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HCTL2017 - Quadrature Decoder/Counter Interface ICs

Download the HCTL2017 datasheet PDF. This datasheet also covers the HCTL2021 variant, as both devices belong to the same quadrature decoder/counter interface ics family and are provided as variant models within a single manufacturer datasheet.

General Description

The HCTL-2021/2017 is CMOS ICs that performs the quadrature decoder, counter, and bus interface function.

The HCTL-2021/2017 is designed to improve system performance in digital closed loop motion control systems and digital data input systems.

Key Features

  • Interfaces Encoder to Microprocessor.
  • 33 MHz Clock Operation.
  • High Noise Immunity: Schmitt Trigger Inputs and Digital Noise Filter.
  • 16-Bit Binary Up/Down Counter.
  • Latched Outputs.
  • 8-Bit Tristate Interface.
  • 8 or 16-Bit Operating Modes.
  • Quadrature Decoder Output Signals, Up/Down and Count.
  • Cascade Output Signals, Up/Down and Count.
  • Substantially Reduced System Software.
  • 5V Operation (VDD.
  • V.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HCTL2021_AVAGOTECHNOLOGIES.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HCTL2017
Manufacturer AVAGO TECHNOLOGIES
File Size 209.91 KB
Description Quadrature Decoder/Counter Interface ICs
Datasheet download datasheet HCTL2017 Datasheet

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
www.DataSheet4U.com HCTL-2017 and HCTL-2021 Quadrature Decoder/Counter Interface ICs Data Sheet Description The HCTL-2021/2017 is CMOS ICs that performs the quadrature decoder, counter, and bus interface function. The HCTL-2021/2017 is designed to improve system performance in digital closed loop motion control systems and digital data input systems. It does this by shifting time intensive quadrature decoder functions to a cost effective hardware solution. The HCTL-2021/2017 consists of a quadrature decoder logic, a binary up/down state counter, and an 8-bit bus interface. The use of Schmitt-triggered CMOS inputs and input noise filters allows reliable operation in noisy environments. The HCTL-2021/2017 contains 16-bit counter and provides TLL/CMOS compatible tri-state output buffers.