The HCS301-I/SN from Microchip Technology is a sophisticated integrated circuit designed for secure remote keyless entry (RKE) systems. Embedded with Microchip's proprietary KEELOQ® rolling code technology, the HCS301-I/SN provides robust security by ensuring that each transmission is unique, thereby preventing code capture and replay attacks.

Key Features

• KEELOQ® Rolling Code Technology: Offers enhanced security through a sophisticated code hopping mechanism.
• Programmable 28-bit Serial Number: Allows for billions of unique transmitter identities ensuring secure communication.
• Programmable 64-bit Encryption Key: Provides a high level of security through a customizable encryption key.
• 15-Function Input: Supports multiple button inputs for diverse command options.
• Low-Power Consumption: Ideal for battery-operated applications with its power-saving features.
• Operating Frequency: Works in the 300-450 MHz frequency range, suitable for most RKE systems.
• Operating Voltage Range: Functions between 2.0V to 6.6V, providing flexibility in various power supply conditions.
• Temperature Range: Capable of operating in extreme conditions with a range of -40°C to +85°C.

Applications

The HCS301-I/SN is primarily utilized in RKE systems for vehicles but can also be adapted for use in home security systems, garage door openers, and other applications where secure wireless communication is crucial. Its robust security features make it an ideal choice for manufacturers looking to implement a reliable security system in their products.

Package and Quality

Encased in an 8-pin SOIC (Small Outline Integrated Circuit) package, the HCS301-I/SN is designed for surface mounting, making it suitable for compact PCB layouts. The device adheres to Microchip's commitment to quality and reliability, ensuring long-term performance in a wide range of environmental conditions.

With the HCS301-I/SN, Microchip Technology demonstrates its expertise in providing secure and efficient solutions for wireless communication needs in the modern world.