Hewlett-Packard HCTL-2016
The HCTL-2016 and 2020 contain a 16-bit counter. The HCTL-2020 also contains quadrature decoder output signals and cascade signals for use with many standard counter ICs. The HCTL20XX family provides LSTTL compatible tri-state output buffers.FEATURES
● Interfaces Encoder to Microprocessor● 14 MHz Clock Operation
● Full 4X Decode
● High Noise Immunity: Schmitt Trigger Inputs Digital Noise Filter
● 12 or 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
APPLICATIONS
● Interface Quadrature Incremental Encoders to Microprocessors● Interface Digital Potentiometers to Digital Data Input Buses
DESCRIPTION
The HCTL-2000, 2016, 2020 are CMOS ICs that perform the quadrature decoder, counter, and bus interface function. The HCTL-20XX family is designed to improve system performance Devices Part Number HCTL-2000 HCTL-2016 HCTL-2020DESCRIPTION
12-bit counter. 14 MHz clock operation. All features of the HCTL-2000. 16-bit counter. All features of the HCTL-2016. Quadrature decoder output signals. Cascade output signals. Package Drawing A A B ESD WARNING: Standard CMOS handling precautions should be observed with the HCTL-20XX family ICs.