Quadrature Decoder/Counter Interface IC 16-Pin PDIP

The HCTL-2017-A00/PLC is CMOS ICs that performs the quadrature decoder, counter, and bus interface function. The HCTL-2017-A00 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-2xx1(7)-A00/PLC 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-2001-A00 contains 12-bit counter and HCTL-2017-A00/PLC or HCTL-2021- A00/PLC contains 16-bit counter and provides TLL/ CMOS compatible tri-state output buffers. Operation is specified for a temperature range from –40 to +85°C at clock frequencies up to 14MHz.

• Interfaces Encoder to Microprocessor
• 14 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, 12 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 – VSS)
• TTL/CMOS Compatible I/O
• Operating Temperature: -40°C to 85°C
• 16-Pin PDIP, 20-Pin PDIP, 20-Pin PLCC