February 11, 2013
Moscow's metro MIFARE/RFID chip : Weekend die-shot
Since February 2013 you can find Sitronics-Mikron's RFID chips inside Moscow's metro tickets, instead of NXP ones which were used before.Mikron chip is 20% smaller. Die size 610x526 µm.
![](https://s.zeptobars.com/mikron-mifare.jpg)
Significant part of chip area is used by passive components:
![](https://s.zeptobars.com/mikron-mifare-Si.jpg)