Manufacturer Part Number
HCS201-I/SN
Manufacturer
Microchip Technology
Introduction
The HCS201 is a code hopping encoder IC that provides secure access and keyless entry functionality.
Product Features and Performance
Implements the KEELOQ code hopping algorithm for secure wireless communication
Generates unique 32-bit code for each transmission to prevent code grabbing attacks
Low power consumption for battery-powered applications
Supports up to 4 button inputs
Internal oscillator eliminates need for external crystal
Product Advantages
Highly secure against unauthorized access
Reduces risk of theft or break-ins
Efficient power usage extends battery life
Simple integration into remote control or keyless entry systems
Key Technical Parameters
Operating voltage: 2.0V to 5.5V
Current consumption: 3mA typical
Operating temperature range: -40°C to +85°C
32-bit code length
Quality and Safety Features
RoHS3 compliant
8-SOIC package for surface mount assembly
Compatibility
Compatible with KEELOQ-based remote control and keyless entry systems
Application Areas
Automotive keyless entry
Garage door openers
Industrial remote access control
Home security systems
Product Lifecycle
Currently in production
Replacements and upgrades available
Several Key Reasons to Choose This Product
Proven KEELOQ code hopping algorithm for robust security
Low power consumption extends battery life
Easy integration into a variety of wireless access control applications
Reliable performance over a wide temperature range
Compact surface mount package for space-constrained designs