TK4100 Plastic ID card
TK4100 is a CMOS integrated circuit for use in 125KHz read only RFID cards, also call TK4100 proximity card.
It is compatible with EM format. The circuit is powered by external coil in an alternating magnetic field, and via one of coil terminal to get its clock from this field.
The other coil teminal turns on and off the modulation current, the chip will send back the 64 bits of information contained in the factory pre-programmed memory array.
The application of TK4100 RFID card can be:
ID card / Animal Tag / Read only memory in identify serial number / Automatic management / Industrial production
TK4100 Chip ID Card - Benefits & Features
Features
64 bit memory array laser programmable
On chip voltage limiter
Full wave rectifier on chip
Large modulation depth due to a low impedance modulation device
Very small chip size convenient for implantation
On chip 480PF resonance capacitor
Operating frequency 100-150KHz, typical frequency: 125Khz
Low power comsumption
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