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MCS3122 KeeLoq® Encoder

Microchip MCS3122 KeeLoq® Encoder is designed forsecure Remote Keyless Entry (RKE) and secure remote control systems. The encoder is a cost effective, securesolution that requires very few external components. The MCS3122 features a programmable 32-bit serial number for seed transmissions and a AES-128 block cipher. Typicalapplications include vehicles and home garage door openers.Learn More

Connected (Wired & Wireless)

Microchip Technology Connectivity is easy to add into applications, as Microchip's MCUs and MPUs are designed to be compatible with Microchip wired and wireless devices. Robust, reliable, high-speed connectivity is available with a broad portfolio of wired connectivity solutions. Mobility, convenience, and enhanced user experience, is possible with a wide range of wireless connectivity solutions. And, with pre-certified modules, designers can avoid worrying about communication regulations.

Security ICs

Microchip Technology Security ICs ensure trust for every system design. Flexibility, advanced features, innovative cost-effective architectures, and ultra-secure hardware defense mechanisms make Microchip hardware-based security devices an ideal way to add trust by design at scale. Common uses include IoT cloud authentication, Automotive security, Accessory authentication, Counterfeit protection, IP protection, and Firmware validation. 

Secure (Embedded Security Solutions)

Microchip Technology Security Solutions are designed to make "trust" easy to embed into any system. With cutting-edge approaches to security, as well as immediate responses to industry-wide attacks, Microchip provides the flexibility to create custom solutions to fit the individual needs of each design, from authentication devices and trusted platform modules, to crypto-enabled microcontrollers and microprocessors, software libraries and enhanced protocols. With a comprehensive security portfolio and world-class Security Partner Program, Microchip can provide the solutions and partners needed to protect your products and ultimately, your IP, brand, and revenue stream. 

Wireless Connectivity

Microchip Technology Wireless Connectivity Solutions enable you to quickly incorporate connectivity to your designs with wireless ICs, modules, software, and development kits that make connecting effortless for your customers. Microchip's comprehensive wireless portfolio has the technology to meet your range, data rate, interoperability, frequency, and topology needs. Microchip Technology's fully certified modules enable drop-in wireless connectivity, saving development costs and reducing time to market.

MCS3122T-I/ST Price & Stock

Microchip MCS3122T-I/ST pricing and available inventory.

Alternate Names

Microchip has several brands around the world that may have alternate names for MCS3122T-I/ST due to regional differences or acquisition. MCS3122T-I/ST may also be known as the following names:

AD5242BRUZ1M distributor