EM4100 Card


The EM4100 (previously named H4100) is a CMOS integrated circuit for use in electronic Read Only RF Transponders. The circuit is powered by an external coil placed in an electromagnetic field, and gets its master clock from the same field via one of the coil terminals. By turning on and off the modulation current, the chip will send back the 64 bits of information contained in a factor y preprogrammed memory array. The programming of the chip is performed by laser fusing of polysilicon links in order to store a unique code on each chip. Features □ 64 bit memory array laser programmable □ Several options of data rate and coding available □ On chip resonance capacitor □ On chip supply buffer capacitor □ On chip voltage limiter □ Full wave rectifier on chip □ Large modulation depth due to a low impedance modulation device □ Operating frequency 100 - 150 kHz □ Very small chip size convenient for implantation □ Very low power consumption Applications □ Logistics automation □ Anticounterfeiting □ Access control □ Industrial transponder EM4100 DATASHEET  

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