Atmel recently announced the availability of the new AVR microcontroller-based RF transmitter family ATA577x for remote keyless entry (RKE) applications.
The new devices are system-in-package (SiP) or multichip module (MCM) solutions incorporating Atmel's well-known AVR microcontroller ATtiny44V and the RF transmitter T5750/53/54. This new family covers all worldwide frequencies (ATA5773: 315 MHz, ATA5774: 433 MHz, and ATA5771: 868 to 928 MHz). The tiny QFN24 packages, measuring only 5 x 5 mm, allow the creation of very small key fob designs at competitive costs.
This product family especially fits RKE applications focusing on the latest RF and microcontroller technologies, while retaining legacy transponder protocol compatibility.
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