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HCS301/P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HCS301/PMICROCHIP281Yes

HCS301/P** is a KeeLoq® Code Hopping Encoder manufactured by **Microchip Technology**.

The HCS301/P is a KeeLoq® Code Hopping Encoder manufactured by Microchip Technology.

Key Specifications:

  • Technology: KeeLoq® Hopping Code Encryption
  • Operating Voltage: 2.0V to 6.3V
  • Operating Temperature Range: -40°C to +125°C
  • Package: 8-Pin PDIP (Plastic Dual In-line Package)
  • EEPROM Memory: 64-bit serial number, 16-bit synchronization counter
  • Transmission Protocol: 66-bit encoded transmission (32-bit hopping code + 28-bit fixed code + 6-bit status)
  • Low Power Consumption: Suitable for battery-operated applications
  • Compliance: Supports secure RF remote keyless entry (RKE) systems

Features:

  • Secure Encryption: KeeLoq® algorithm for robust security
  • Code Hopping: Each transmission uses a unique code
  • Wide Voltage Range: Operates from 2.0V to 6.3V
  • High Noise Immunity: Reliable performance in noisy environments
  • Low Power Consumption: Ideal for battery-powered devices
  • Serial EEPROM: Stores unique serial number and synchronization counter
  • Compatibility: Works with Microchip’s HCS series decoders

Applications:

  • Remote keyless entry (RKE) systems
  • Garage door openers
  • Security systems
  • Wireless access control

This IC is designed for secure wireless communication applications requiring encrypted data transmission.

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