HCS412 KEELOQ® Code Hopping Encoder and Transponder FEATURES Security • • • • • Programmable 64-bit encoder crypt key Two 64-bit IFF keys Keys are read protected 32-bit bi-directional challenge and response using one of two possible keys 69-bit transmission length • 32-bit hopping code, • 37-bit nonencrypted portion Programmable 28/32-bit serial number 60-bit, read protected seed for secure learning Two IFF encryption algorithms Delayed counter increment mechanism Asynchronous transponder communication Transmissions include button Queuing information 2.
0V to 6.
3V operation Three switch inputs: S2, S1, S0 – seven functions Battery-less bi-directional transponder capability Selectable baud rat...

Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)