Interfaces

ISO 14443 Analog Front End


Overview
The ISO 14443 Analog Front End (AFE) is a fully integrated analog IP intended for Proximity Integrated Circuit Card (PICC).

Specifications


Benefits

​​ISO/IEC 14443-A/B compliant
ISO/IEC 10373-6 compliant
NFC-WI (ECMA 373) compliant
Wireless power harvesting​
Silicon proven


Features

Fully compliant with the ISO/IEC 14443 standard
Fully compliant with the relevant ISO/IEC 10373-6 tests
Contactless transmission of both data and power
Support both Type A and Type B transmission protocols
Supported bit rates (Rx and Tx):

  • classical: 106, 212, 424 and 848 kbit/s
  • VHBR (optional): 1.69 Mbit/s and 3.39 Mbit/s (Rx at 3.39 Mbit/s under validation)

RF front end including the two antenna pads, a tuning capacitor, several demodulators, a clock extractor and a load modulator
Power manager including a LDO regulator, a voltage reference and a POR generator
Typical delivered power supply current going up to 10 mA (Ivdd)
Typical quiescent power consumption lower than 50 µW (excluding Ivdd)
Operating junction temperature range: -25°C to +85°C
Straightforward integration through a NFC-WI (ECMA 373) standard interface
Silicon proven in 130 nm and 55 nm CMOS processes
Silicon area smaller than 0.8 mm² in a 130 nm process with poly capacitors and HV devices
Digital controller available separately (Type A and Type B)


Deliverables

GDSII stream and layer map file
Library Exchange Format (LEF) file
Circuit Description Language (CDL) netlist
Liberty Timing File (.lib)
VHDL behavioral model
Design specification