HCTL-2032-SC Electronic IC Chip Quadrature Decoder / Counter Interface ICs

HCTL-2032, HCTL-2032-SC, HCTL-2032-SCT, HCTL-2022

Quadrature Decoder/ Counter Interface ICs

Description

The HCTL-20XX-XX is CMOS ICs that perform the quadrature decoder, counter, and bus interface function. The HCTL-20XX-XX 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-20XX-XX 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-20XX-XX contains 32-bit counter and provides LSTLL compatible tri-state output buffers. Operation is specified for a temperature range from -40 to +100°C at clock frequencies up to 33MHz.

The HCTL-2032 and HCTL-2032-SC have dual-axis capability and index channel support. Both devices can be programmed as 4x/2x/1x count mode. The HCTL-2032 and HCTL2032-SC also provides quadrature decoder output signals and cascade signals for use with many standard computer ICs

The HCTL-2022 has most of the HCTL-2032 features, but it can only supports single axis and fixed at 4x count mode. The HCTL-2022 doesn’t provide decoder output and cascade signals.

Features

• Interfaces Encoder to Microprocessor

• 33 MHz Clock Operation

• Programmable Count Modes (1x, 2x or 4x)

• Single or Dual Axis Support

• Index Channel Support

• High Noise Immunity:

• Schmitt Trigger Inputs and Digital Noise Filter

• 32-Bit Binary Up/Down Counter

• Latched Outputs

• 8-Bit Tristate Interface

• 8, 16, 24, or 32-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 100°C

• 32-Pin PDIP, 32-Pin SOIC, 20-Pin PDIP

Applications

• Interface Quadrature Incremental Encoders to Microprocessors

• Interface Digital Potentiometers to Digital Data Input Buses

Absolute Maximum Ratings

(All voltages below are referenced to V_SS)

Notes 1. Free Air

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