The HCS412-I/SN from Microchip Technology is a sophisticated integrated circuit designed for secure data transmission and authentication applications. This device is a member of Microchip's KEELOQ® HCS product family, which is renowned for its robust encryption capabilities and is widely used in remote keyless entry systems, among other security-sensitive applications.

Key Features

• Advanced Encryption: The HCS412-I/SN employs a proprietary KEELOQ® hopping technology, which provides a high level of security through a unique encryption algorithm for each transmission, making it extremely difficult for unauthorized parties to replicate or interfere with the signal.
• Programmable 28-bit Serial Number: Each device contains a programmable 28-bit serial number that is permanently stored in its memory, ensuring a unique identity for each unit.
• EEPROM Memory: The integrated EEPROM allows for secure storage of keys and configuration data, with the capability to endure a minimum of 100,000 write cycles and data retention of 10 years, ensuring long-term reliability.
• Low Power Consumption: Designed for battery-operated devices, the HCS412-I/SN features a low power consumption profile, which extends the battery life of the products it is integrated into.
• Wide Operating Voltage Range: The device operates over a wide voltage range of 2.0V to 6.6V, making it versatile for use in various electronic environments.
• Temperature Range: It is rated for an industrial temperature range of -40°C to +85°C, ensuring reliable performance under extreme conditions.

Applications

The HCS412-I/SN is ideal for a variety of applications where secure data transmission is paramount. Common uses include automotive remote keyless entry systems, home security systems, garage door openers, and any other system that requires secure communication between a transmitter and receiver.

Package and Quality

This device comes in a small-outline integrated circuit (SOIC) package, making it suitable for space-constrained applications. It adheres to Microchip's commitment to high quality and reliability, making it a trusted choice for designers and engineers looking to incorporate secure communication capabilities into their products.