The HCS101-I/P from Microchip Technology is a cutting-edge KEELOQ® rolling code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. This encoder is an integral component for automotive and home security applications, where the reliability and security of the transmitted codes are of utmost importance.

Key Features

• Advanced Code Hopping: Utilizing KEELOQ® cryptographic technology, the HCS101-I/P provides a robust security framework, ensuring that each transmission is unique, thereby preventing code capture and replay attacks.
• EEPROM Memory: Equipped with programmable EEPROM, this device allows for the secure storage of cryptographic keys and configuration data, enabling a high level of customization and flexibility.
• Low Power Consumption: Designed for battery-operated devices, it has an efficient power management system that ensures long battery life, making it ideal for remote control applications.
• Simple Integration: The HCS101-I/P comes in a DIP (Dual In-line Package) form, which simplifies the process of integrating the chip into existing designs and printed circuit boards (PCBs).
• High Reliability: Built to Microchip's high-quality standards, this product is known for its reliability and longevity, even in challenging environmental conditions.

Applications

The HCS101-I/P is versatile and can be used in a variety of applications, including:

• Automotive RKE systems
• Garage door openers
• Home security systems
• Alarm systems
• Identity tokens
• Access control systems

Technical Specifications

The device operates within a voltage range of 2.0V to 6.6V, ensuring compatibility with a wide array of power supplies and battery types. It also features a user-selectable XTAL frequency and has a typical operating current of 1 mA, with a standby current as low as 1 µA.

Conclusion

With its combination of secure code hopping technology, ease of integration, and low power consumption, the HCS101-I/P from Microchip Technology is an excellent choice for developers looking to incorporate a reliable security feature into their RKE and access control systems.