Description
General .
The ATA5771/ATA5773/ATA5774 is a single key fob IC containing the AVR microcontroller ATtiny44V and the UHF PLL transmitters T5750/53/54 build-up usin.
Features
* Complete Key Fob IC Consisting of an AVR® Microcontroller and RF Transmitter PLL in
a Single QFN24 5 mm × 5 mm Package (Pitch 0.65 mm)
* f0 = 310 MHz to 350 MHz (ATA5773)
* f0 = 429 MHz to 439 MHz (ATA5774)
* f0 = 868 MHz to 928 MHz (ATA5771) Automotive Qualified Te
Applications
* are in the areas of Remote Keyless-Entry (RKE), Passive Entry Go (PEG), and Remote Start. It can be used in the frequency range of f 0 = 310 MHz to 350 MHz, f 0 = 429 MHz to 439 MHz or f0 = 868 MHz to 928 MHz for ASK or FSK data transmission. 9137B
* RKE
* 02/09
Free Datasheet http://ww
