Mifare^® MF1 IC S20
The MIFARE^® classic family is the pioneer and front runner in contactless smart card ICs operating in the 13.56 MHz frequency range with read/write capability.
Contactless MIFARE^® ICs are available as 150 µm sawn wafers, 150µm Au-bumped sawn wafers (both 8") or in ultra thin metal lead frame chip modules. A wide variety of transponder shapes, in addition to the classical ISO smart card transponder, are also available including watches, key fobs, disks, etc.

MIFARE^® Standard
Type: MF1 IC S20
Interface: ISO14443A
Protocol & Crypto:MIFARE^® Classic
Memory: 320 bytes EEPROM

Datasheet: Mifare® MF1 IC S20