| Part Number | ST25R3914-AQFT | ST25R3912-AQFT |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | RFID, RF Access, Monitoring ICs | RFID, RF Access, Monitoring ICs |
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| Product Status | Obsolete | Active |
| Type | RFID Reader | RFID Reader |
| Frequency | 13.56MHz | 13.56MHz |
| Standards | ISO 14443, ISO 15693 | FeliCa, ISO 14443, MIFARE, NFC |
| Interface | - | SPI |
| Voltage - Supply | 2.4V ~ 5.5V | 2.4V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | - | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) | 32-QFN (5x5) |