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ST21NFCA

ST21NFCA

ST21NFCA

STMicroelectronics

Microcontroller 32 Pin 13.56MHz

SOT-23

ST21NFCA Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Number of Pins 32
Frequency 13.56MHz
Pin Count32
Operating Supply Voltage3V
Interface I2C, SPI
Memory Size112kB
RAM Size 4kB
Memory TypeROM
Frequency (Max) 13.56MHz
Number of Timers/Counters 3
Radiation HardeningNo
RoHS StatusRoHS Compliant
In-Stock:3562 items

ST21NFCA Product Details

ST21NFCA Description

The ST21NFCA is a single chip designed for supporting 13.56 MHz contactless communication, including Near Field Communication (NFC), which functions in the three operating modes: card emulation, reader, and peer-to-peer communication.



ST21NFCA Features

ST21NFCA operating modes supported:

Card emulation

Reader

Peer-to-peer communication



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