The HCS300T-I/SNVAO from Microchip Technology is a sophisticated integrated circuit designed for secure Remote Keyless Entry (RKE) systems. This product is part of Microchip's KEELOQ® code hopping devices, which are renowned for providing high security through a unique encryption method that prevents code capturing and resending by unauthorized users.

Key Features

• KEELOQ® Encryption: The device utilizes the KEELOQ® hopping technology which ensures each transmission is unique, thus providing a high level of security against code grabbing and replay attacks.
• Programmable 28-bit Serial Number: Manufacturers can program a unique serial number into each device for secure identification and inventory control.
• Flexible Code Length: The HCS300T-I/SNVAO supports up to 66-bit code length, helping to secure communications between the transmitter and receiver.
• Low Power Consumption: This device is optimized for low power consumption, making it ideal for battery-operated RKE systems.
• EEPROM Memory: Includes EEPROM for secure storage of keys and configuration data, which is essential for maintaining system integrity.

Applications

The HCS300T-I/SNVAO is primarily used in automotive RKE systems but is also suitable for a wide range of applications that require secure wireless communication. These include:

• Garage door openers
• Home security systems
• Gate and barrier control systems
• Identity tokens and access control

Technical Specifications

• Operating Voltage Range: 2.0V to 6.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8
• Frequency: Supports various frequency bands depending on the application requirements

The HCS300T-I/SNVAO is a testament to Microchip Technology's commitment to providing advanced security solutions. Its robust encryption capabilities and low power consumption make it an ideal choice for developers looking to incorporate secure wireless communication into their products.