Description
www.DataSheet4U.com HCTL-2017 and HCTL-2021 Quadrature Decoder/Counter Interface ICs Data Sheet .
The HCTL-2021/2017 is CMOS ICs that performs the quadrature decoder, counter, and bus interface function.
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
Applications
* Interface Quadrature Incremental Encoders to Microprocessors
