Microchip HCS473 Code Hopping Encoder and Transponder Data Sheet

This is a data sheet from Microchip about HCS473

Brand: MICROCHIP
Category: Other Electronics
Document type: Datasheet
Language: English
Pages: 68
File format: PDF
File size: 1.1 MB
Published: 11 June, 2012
Updated: 30 September, 2023
MD5 checksum: 5E46417980E2988EEE5448AFA52B1D46
PDF: Microchip HCS473 Code Hopping Encoder and Transponder Data Sheet PDF

About this manual

The HCS473 integrates patented KEELOQ code hopping technology with bi-directional transponder challenge-and-response security into a single chip solution. It is designed for logical and physical access control, such as keyless entry systems, vehicle and garage door access, and secure authentication.

What's inside

General Description
Device Description
Device Operation
Programming Specification
Integrating the HCS473 Into A System
Development Support
Electrical Characteristics
Packaging Information

Specifications

Supply Voltage	2.05V to 5.5V
Baud Rate Range	416 - 5,000 bps
Oscillator Variation	±10%
Encoder Key Size	64-bit
Transmission Length	69-bit

Frequently asked questions

Can the HCS473 be used in life support systems?

No, use in life support systems is not authorized except with express written approval by Microchip.

What are the typical applications for the HCS473?

Typical applications include passive entry systems, automotive remote entry systems, and electronic door locks.

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