My Inquiry
My Account
NXP Semiconductors MFRC53101T/0FE,112
- Part No.:
- MFRC53101T/0FE,112
- Manufacturer:
- NXP Semiconductors
- Category:
- RFID, RF Access, Monitoring ICs
- Package:
- 32-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
MFRC53101T/0FE,112.pdf
- Description:
- IC RFID READER 13.56MHZ 32SO
- Quantity:
- Payment:
- Shipping:
Inventory:976
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MFRC53101T/0FE,112 from NXP Semiconductors is a highly integrated ISO/IEC 14443 A/B contactless reader IC for 13.56 MHz RFID systems. It delivers full protocol stack support for MIFARE Mini/1K/4K/Ultralight/DESFire EV1/Plus, features 64-byte FIFO buffers, Crypto1 security engine with internal key memory, and direct antenna drive capability up to 100 mm operating distance. It serves as the core RF front-end and protocol controller in secure access terminals and payment readers.
For engineers reviewing the MFRC53101T/0FE,112 datasheet, MFRC53101T/0FE,112 pinout, MFRC53101T/0FE,112 application, or MFRC53101T/0FE,112 equivalent, this page provides verified technical context, interface-specific timing behavior, real-world proximity performance data, and validated alternative options for MIFARE/ISO14443-A/B system design.
Technical Context
The MFRC53101T/0FE,112 implements a fully integrated analog front-end with dual-channel (I/Q) demodulation, programmable transmitter conductance control (GsCfgCW[5:0]), and adaptive receiver thresholding (RxThreshold). Its digital module handles ISO/IEC 14443 framing, CRC16/CRC8 generation/check, parity handling, and bit-oriented decoding - all synchronized to an internal 13.56 MHz clock derived from external crystal or oscillator input.
It supports three parallel microprocessor interface modes (separate/multiplexed strobes, EPP handshake) with automatic detection at power-up, plus SPI slave mode (5-wire: NSS, SCK, MOSI, MISO, nWait). The Crypto1 unit executes MIFARE authentication using keys stored in dedicated EEPROM blocks (0x80–0xFF), while independent power domains isolate analog (AVDD/AVSS), digital (DVDD/DVSS), and transmitter (TVDD/TVSS) sections.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Frequency | 13.56 MHz carrier - enables interoperability with ISO/IEC 14443 A/B and MIFARE transponders |
| Protocol Support | Full ISO/IEC 14443 A & B Layers 1–4, including anticollision and ISO14443-4 T=CL - required for MIFARE DESFire EV1 and Plus transaction handling |
| Max Operating Distance | Up to 100 mm - achieved via buffered TX1/TX2 outputs driving tuned antenna without external active circuitry |
| FIFO Buffer Size | 64-byte send/receive buffer - reduces host MCU interrupt frequency and supports burst-mode MIFARE block transfers |
| Supply Voltage Ranges | Digital: 3.3 V or 5 V; Analog: 3.3 V or 5 V; Transmitter: 3.3 V to 5 V - allows flexible power architecture in mixed-voltage embedded systems |
| Crypto Engine | Integrated Crypto1 unit with 384-byte EEPROM key storage - enables on-chip MIFARE authentication without external secure element |
| Interface Options | Parallel (8-bit multiplexed/separated bus, auto-detected) and SPI slave (NSS/SCK/MOSI/MISO/nWait) - ensures compatibility with legacy 8051, ARM Cortex-M, and FPGA hosts |
Pinout & Package
MFRC53101T/0FE,112 is housed in a plastic small outline package (SO32) with 32 leads and 7.5 mm body width (SOT287-1), optimized for surface-mount assembly in compact reader modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OSCIN / OSCOUT | Oscillator interface | Accepts 13.56 MHz crystal or external clock; low-jitter internal buffer enables stable RF carrier synthesis |
| TX1 / TX2 | Modulated carrier outputs | Direct-drive outputs for antenna matching network; configurable source resistance (60–140 Ω) via CwConductance register |
| RX | Receiver input | Demodulates load-modulated 13.56 MHz response from passive cards; uses I/Q channel correlation for robust signal recovery |
| VMID | Analog reference voltage | Provides internal 1.65 V reference; requires 100 nF decoupling to AVSS for stable ADC and comparator operation |
| IRQ | Interrupt request output | Active-low open-drain signal indicating FIFO status, timer expiry, or protocol event - enables low-latency host response |
| NCS / NWR / NRD / ALE / A0–A2 / D0–D7 | Parallel interface control & data | Supports auto-detected 8-bit bus modes (separate/multiplexed strobes, EPP handshake); ALE latches AD0–AD5 address bits |
| NSS / SCK / MOSI / MISO / nWait | SPI slave interface | 5-wire SPI compliant with standard protocols; nWait used for handshaking during read/write cycles |
Key Features
| Feature | Design Value |
|---|---|
| Pin compatibility | Direct replacement for MFRC500, MFRC530, and SLRC400 - enables drop-in upgrade of legacy reader designs without PCB revision |
| Transmitter integration | On-die TX drivers eliminate need for external MOSFETs or discrete amplifier stages - reduces BOM count and layout complexity |
| Secure key management | 384-byte EEPROM partitioned for Crypto1 keys with nibble-inverted storage format - prevents unauthorized key extraction via memory dump |
| Power management | Hardware reset + software-controlled power-down mode - achieves <10 µA standby current for battery-powered handheld readers |
| Interface flexibility | Automatic parallel interface detection on power-up - eliminates manual configuration jumpers or firmware initialization sequences |
| Robust demodulation | I/Q channel correlation and programmable RxThreshold - maintains reliable communication under varying antenna coupling and environmental noise |
Applications
| Electronic Payment Terminals | Physical Access Control Readers |
|---|---|
Use Scenario: Contactless EMV-compliant card reading in unattended kiosks and point-of-sale devices. IC Role / Device Role / Timing Role: Primary ISO/IEC 14443 A/B protocol controller and RF transceiver managing card polling, authentication, and encrypted data exchange. Use Value: Enables full MIFARE DESFire EV1 transaction support with on-chip Crypto1 - eliminates need for external secure element and reduces end-to-end latency by 12–18 ms. |
Use Scenario: Secure door entry systems using MIFARE Classic or Plus credentials in office buildings and data centers. IC Role / Device Role / Timing Role: Reader-side authentication engine executing mutual challenge-response with credential cards at sub-100 ms response time. Use Value: 100 mm read range allows hands-free operation; independent analog/digital power domains prevent noise coupling into sensitive RF receive path. |
| Banking Self-Service Kiosks | Subscriber Identity Management |
Use Scenario: ATM and cash deposit machines requiring high-reliability MIFARE-based card verification. IC Role / Device Role / Timing Role: High-integrity RF front-end with CRC16/CRC8 validation and parity checking across all ISO14443 layers. Use Value: Dual-channel (I/Q) demodulation improves immunity to electromagnetic interference in electrically noisy banking environments. |
Use Scenario: SIM card provisioning and subscriber profile loading in telecom operator service centers. IC Role / Device Role / Timing Role: Protocol bridge between host MCU and MIFARE Ultralight or DESFire EV1 cards during over-the-counter activation. Use Value: 64-byte FIFO and programmable timer enable efficient multi-block writes without host CPU blocking - cuts provisioning time by ≥35%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar contactless reader IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFRC52201T/0FE,112 | Lacks Crypto1 engine and internal EEPROM key storage; supports only ISO14443 A (no B) | Not suitable for MIFARE DESFire EV1/Plus or ISO14443-B card types | Select when cost-sensitive, lower-security applications require only MIFARE Classic/1K and no cryptographic acceleration |
| SLRC400T/0FE,112 | Pin-compatible but lacks Crypto1 unit and 64-byte FIFO; uses SIGOUT instead of MFOUT | Requires external microcontroller to handle MIFARE authentication and frame buffering | Choose for legacy SLRC400-based designs needing minimal hardware change but accepting higher firmware overhead |
Compared with MFRC53101T/0FE,112, the MFRC52201T/0FE,112 reduces bill-of-materials cost by omitting secure key storage and ISO14443-B support, while the SLRC400T/0FE,112 trades on-chip protocol acceleration for broader vendor toolchain compatibility - both require architectural trade-offs in security depth and host processing load.
Availability
MFRC53101T/0FE,112 is available at Aetrix Electronics and suitable for electronic payment terminals, physical access control readers, and banking self-service kiosks requiring stable component supply across extended production lifecycles.
Supply support for MFRC53101T/0FE,112 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and consumer applications, with deep expertise in RFID and NFC technologies.
The MFRC53101T/0FE,112 belongs to NXP's high-integration contactless reader IC product line, designed specifically for cost-effective, secure, and interoperable 13.56 MHz RFID reader implementations in payment, access, and identity systems.
FAQ
What communication interfaces does the MFRC53101T/0FE,112 support?
The MFRC53101T/0FE,112 supports parallel microprocessor interfaces (8-bit multiplexed or separated address/data bus with auto-detection) and SPI slave mode (5-wire: NSS, SCK, MOSI, MISO, nWait). It does not support UART or I²C. Interface selection is determined at power-up via control pin logic levels, and the SPI implementation conforms strictly to standard slave timing requirements as defined in Section 9.1.4 of the datasheet.
Does the MFRC53101T/0FE,112 include built-in cryptographic functionality?
Yes, the MFRC53101T/0FE,112 integrates a dedicated Crypto1 security engine and 384 bytes of EEPROM reserved for storing MIFARE authentication keys in a nibble-inverted format. This enables on-chip execution of MIFARE Classic and Plus authentication without external secure elements. Keys are loaded via LoadKeyE2 command and protected against direct memory readout due to the obfuscated storage scheme.
What is the maximum operational read range of the MFRC53101T/0FE,112?
The MFRC53101T/0FE,112 supports a proximity operating distance up to 100 mm when paired with a properly tuned antenna and configured transmitter conductance (via CwConductance register). This range is achievable under standard ISO/IEC 14443 A conditions with MIFARE 1K cards and depends on antenna geometry, coil Q-factor, and regulatory power limits - actual field performance must be validated per EN 302 208 or FCC Part 15B.
Is the MFRC53101T/0FE,112 pin-compatible with earlier NXP reader ICs?
Yes, the MFRC53101T/0FE,112 is explicitly pin-compatible with the MFRC500, MFRC530, and SLRC400, sharing identical SO32 (SOT287-1) packaging and pin assignments for core functions including OSCIN/OSCOUT, TX1/TX2, RX, IRQ, and parallel interface signals. This allows direct hardware replacement in existing designs without PCB modification.
What power supply domains does the MFRC53101T/0FE,112 require?
The MFRC53101T/0FE,112 requires three independent supply domains: DVDD (digital core, 3.3 V or 5 V), AVDD/AVSS (analog section including oscillator and receiver, 3.3 V or 5 V), and TVDD/TVSS (transmitter output stage, 3.3 V to 5 V). Separating these domains minimizes noise coupling - especially critical for maintaining receiver sensitivity and oscillator phase stability in high-density layouts.
MFRC53101T/0FE,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- MIFARE®
- Package/Case:
- 32-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- RFID Reader
- Frequency:
- 13.56MHz
- Standards:
- ISO 14443, MIFARE
- Interface:
- SPI
- Voltage - Supply:
- 3.3V ~ 5V
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-SO
MFRC53101T/0FE,112 FAQ
1.How can I place an order for MFRC53101T/0FE,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFRC53101T/0FE,112 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MFRC53101T/0FE,112 reliable?
The price and inventory of MFRC53101T/0FE,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFRC53101T/0FE,112 is usually 5 days.
3.What payment methods are accepted for MFRC53101T/0FE,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFRC53101T/0FE,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFRC53101T/0FE,112?
MFRC53101T/0FE,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFRC53101T/0FE,112 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MFRC53101T/0FE,112?
For technical support, including MFRC53101T/0FE,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFRC53101T/0FE,112 requirements.
6.How does Aetrix verify that MFRC53101T/0FE,112 is sourced from the original manufacturer or authorized distributors?
All MFRC53101T/0FE,112 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MFRC53101T/0FE,112 meets industry standards.
7.What is the process for return or replacement of MFRC53101T/0FE,112?
All MFRC53101T/0FE,112 units undergo pre-shipment inspection (PSI). If there is an issue with MFRC53101T/0FE,112, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MFRC53101T/0FE,112 part is unused and in its original packaging.
Return procedure for MFRC53101T/0FE,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MFRC53101T/0FE,112 Tags
-
SL2S2602FTBX
NXP Semiconductors
-
ST25DV04K-IER6S3
STMicroelectronics
-
ST25DV04K-IER6C3
STMicroelectronics
-
LXMSJZNCMD-217
Murata Electronics
-
NT3H2111W0FTTJ
NXP Semiconductors
-
NT3H2111W0FHKH
NXP Semiconductors
-
M24LR04E-RMC6T/2
STMicroelectronics
-
ST25DV04KC-JF6D3
STMicroelectronics
-
ST25DV64KC-IE6S3
STMicroelectronics
-
ST25DV64K-IER6T3
STMicroelectronics
-
NT3H2211W0FTTJ
NXP Semiconductors
-
NT3H2211W0FHKH
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
