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Microchip Technology AT86RF233-ZFR
- Part No.:
- AT86RF233-ZFR
- Manufacturer:
- Microchip Technology
- Category:
- RF Transceiver ICs
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
AT86RF233-ZFR.pdf
- Description:
- IC RF TXRX+MCU 802.15.4 32QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,700
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Product details
Overview
AT86RF233-ZFR from Microchip Technology (formerly Atmel) is a low-power 2.4GHz IEEE 802.15.4-compliant RF transceiver IC for ZigBee, RF4CE, 6LoWPAN, and ISM-band wireless sensor networks. It delivers -101dBm receiver sensitivity, programmable TX output from -17dBm to +4dBm, ultra-low DEEP_SLEEP current of 0.02µA, and operates from 1.8V–3.6V with integrated voltage regulation - enabling coin-cell-powered IoT end nodes in smart home and industrial monitoring.
For engineers reviewing the AT86RF233-ZFR datasheet, AT86RF233-ZFR pinout, AT86RF233-ZFR application, or AT86RF233-ZFR equivalent, key selection criteria include its hardware-accelerated CSMA-CA/ACK, AES-128 security engine, 128-byte SRAM frame buffer, SPI interface with only two GPIOs required, and support for 250–2000kb/s PSDU data rates across IEEE 802.15.4-2011-compliant PHY/MAC layers.
Technical Context
The AT86RF233-ZFR implements a fully integrated RF-CMOS transceiver with fast-settling PLL supporting frequency hopping and 500kHz channel spacing. Its MAC accelerator handles automated acknowledgement, retransmission, address filtering, and FCS validation - offloading host MCU tasks while maintaining strict IEEE 802.15.4-2011 timing compliance.
It integrates analog functions including RSSI measurement, Energy Detection, Clear Channel Assessment, Link Quality Indication, battery monitoring, and true random number generation. The device supports dual operating modes (Basic and Extended), with hardware-assisted LISTEN mode current reduction (10–50% below 11.8mA RX_ON) and desensitization down to ~1mA for ultra-low-duty-cycle wake-up listening.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Band | 2.4GHz ISM band (2400–2483.5MHz); supports IEEE 802.15.4 channelization with 500kHz spacing |
| Receiver Sensitivity | -101dBm at 250kb/s; enables robust link budget in low-power mesh networks |
| TX Output Power | Programmable from -17dBm to +4dBm in 1dB steps; balances range vs. power consumption |
| Supply Voltage | 1.8V–3.6V with internal regulators; supports direct coin-cell (e.g., CR2032) operation |
| Current Consumption | DEEP_SLEEP = 0.02µA; RX_ON = 11.8mA; BUSY_TX = 13.8mA at +4dBm; enables multi-year battery life |
| Data Rates | PSDU rates: 250kb/s, 500kb/s, 1000kb/s, 2000kb/s; compliant with IEEE 802.15.4-2011 high-rate modes |
| Security Engine | AES-128 hardware accelerator with dedicated SRAM; enables secure frame encryption without MCU overhead |
Pinout & Package
AT86RF233-ZFR is housed in a 32-pin Low-Profile QFN package measuring 5 × 5 × 0.9 mm³, RoHS-compliant and green-qualified. The package supports standard reflow assembly and includes exposed thermal pad for enhanced thermal performance in compact PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_AN | Analog Supply | 1.8–3.6V analog rail; powers RF front-end and crystal oscillator |
| VDD_DIG | Digital Supply | 1.8–3.6V digital rail; powers SPI interface, registers, and MAC logic |
| GND | Ground Reference | Common analog/digital ground plane connection point |
| RSTN | Active-Low Reset | Asynchronous reset input; pulls internal state machines to known condition |
| SLP_TR | Sleep/Wake Control | Direct hardware control of sleep/wake transitions; <0.4ms wake-up time |
| IRQ | Interrupt Output | Open-drain status signal indicating frame received, transmit complete, or error event |
| MOSI/MISO/SCLK | SPI Interface | Full-duplex serial interface for register/frame buffer access; requires only two additional GPIOs |
| CLKM | Master Clock Output | Prescaled clock output (e.g., 8MHz, 4MHz) for synchronizing external MCU peripherals |
Key Features
| Feature | Design Value |
|---|---|
| Hardware MAC Accelerator | Offloads CSMA-CA, automatic ACK, retransmission, and address filtering - reducing host MCU firmware complexity and latency |
| Integrated AES-128 Engine | Performs encryption/decryption in dedicated hardware with zero CPU cycles; supports key storage in protected SRAM |
| Smart LISTEN Mode | Reduces average RX current by 10–50% during periodic wake-up listening via adaptive desensitization and duty cycling |
| True Random Number Generator | Provides cryptographically secure entropy for key generation and challenge-response protocols per NIST SP 800-90A |
| IEEE 802.15.4-2011 PHY/MAC Support | Native hardware implementation of FCS computation, CCA, ED, RSSI, and LQI - ensuring protocol compliance without software emulation |
Applications
| Smart Home Sensor Node | Industrial Wireless Monitor |
|---|---|
Use Scenario: Battery-powered temperature/humidity/motion sensors communicating over ZigBee mesh to hub. IC Role / Device Role / Timing Role: Full PHY/MAC transceiver handling frame assembly, channel access, ACK, and security - operating in low-duty-cycle LISTEN mode. Use Value: 0.02µA DEEP_SLEEP extends CR2032 battery life beyond 5 years; AES-128 ensures secure OTA updates and sensor data integrity. | Use Scenario: Wireless vibration/pressure sensors deployed in factory machinery with harsh EMI and wide temperature swings. IC Role / Device Role / Timing Role: Robust 2.4GHz transceiver performing CCA before transmission and RSSI-based link quality adaptation in real time. Use Value: -40°C to +125°C extended temperature rating and -101dBm sensitivity maintain reliable connectivity in electrically noisy environments. |
| Remote Control (RF4CE) | 6LoWPAN Edge Router |
Use Scenario: Ultra-low-latency TV remote using RF4CE protocol with bidirectional feedback and button repeat suppression. IC Role / Device Role / Timing Role: High-speed 2000kb/s transceiver with sub-0.4ms wake-up and hardware-accelerated frame parsing for instant response. Use Value: Fast TX ramping and BUSY_TX current of 13.8mA at +4dBm enable consistent <100ms round-trip latency even at edge-of-range distances. | Use Scenario: IPv6-capable gateway node bridging IEEE 802.15.4 sensor network to Ethernet/Wi-Fi with 6LoWPAN header compression. IC Role / Device Role / Timing Role: High-throughput transceiver supporting 1000–2000kb/s PSDU rates and large frame buffering for efficient fragmentation/reassembly. Use Value: 128-byte SRAM frame buffer and hardware FCS check reduce host processing load, enabling deterministic forwarding latency under full packet load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2.4GHz IEEE 802.15.4 transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI CC2531F256RHAT | Integrated 8051 MCU core; higher RX current (24.3mA); no hardware AES; 256KB flash onboard | Best for self-contained USB dongle or sniffer designs requiring embedded protocol stack execution | Select when full-stack ZigBee coordinator functionality is needed on a single chip - not for pure transceiver-only use cases |
| Silicon Labs EFR32MG1P132F256GM48 | ARM Cortex-M4 core; +10dBm TX power; integrated DC-DC converter; supports Bluetooth LE and multiprotocol | Targeted at higher-performance, multi-standard gateways needing >250kb/s throughput and richer security features | Choose when future-proofing for Bluetooth/ZigBee coexistence or when >+4dBm output is required for long-range links |
Compared with CC2531F256RHAT and EFR32MG1P132F256GM48, the AT86RF233-ZFR offers the lowest deep-sleep current (0.02µA), smallest footprint (5×5mm QFN), and most deterministic low-power operation for resource-constrained sensor endpoints - making it optimal where battery life and BOM cost are primary constraints.
Availability
AT86RF233-ZFR is available at Aetrix Electronics and suitable for smart home sensor nodes, industrial wireless monitors, RF4CE remotes, and 6LoWPAN edge routers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production programs.
Supply support for AT86RF233-ZFR 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
Microchip Technology is a global semiconductor company delivering microcontrollers, analog devices, FPGAs, and wireless solutions with focus on reliability, longevity, and industrial-grade qualification.
The AT86RF233-ZFR belongs to Microchip's legacy Atmel wireless transceiver product line, engineered specifically for ultra-low-power, standards-compliant 2.4GHz IoT endpoints in ZigBee, RF4CE, and 6LoWPAN ecosystems.
FAQ
What is the operating temperature range of the AT86RF233-ZFR?
The AT86RF233-ZFR is qualified for industrial and extended temperature operation from -40°C to +85°C and -40°C to +125°C. This dual-range specification allows deployment in demanding environments such as factory floors, outdoor utility meters, and automotive cabin modules where thermal stability is critical. The AT86RF233-ZFR maintains full IEEE 802.15.4-2011 compliance and specified RF performance across both ranges.
Does the AT86RF233-ZFR support hardware AES-128 encryption?
Yes, the AT86RF233-ZFR includes a dedicated AES-128 hardware accelerator with 128-bit key storage in protected SRAM. It performs encryption and decryption independently of the host MCU, enabling secure frame payloads without CPU overhead. The AT86RF233-ZFR supports ECB and CTR modes and integrates with the frame buffer for seamless payload protection - essential for ZigBee SE and RF4CE security profiles.
How many pins does the AT86RF233-ZFR require for basic SPI communication?
The AT86RF233-ZFR requires only four pins for functional SPI communication: MOSI, MISO, SCLK, and CSN. Additionally, one GPIO is needed for the IRQ interrupt signal and another for SLP_TR control - totaling just two MCU GPIOs beyond SPI. This minimal interface reduces MCU pin count pressure and simplifies layout. The AT86RF233-ZFR also provides CLKM output to eliminate need for external clock sources.
What is the fastest data rate supported by the AT86RF233-ZFR?
The AT86RF233-ZFR supports up to 2000kb/s PSDU data rate in its high-data-rate mode, compliant with IEEE 802.15.4-2011 Annex D. This mode enables low-latency streaming for RF4CE remote control and high-throughput sensor burst reporting. The AT86RF233-ZFR achieves this using modified O-QPSK modulation and optimized frame structure - maintaining full backward compatibility with standard 250kb/s operation.
Is the AT86RF233-ZFR compatible with the IEEE 802.15.4-2011 standard?
Yes, the AT86RF233-ZFR is fully compliant with IEEE 802.15.4-2011, including mandatory PHY layer features (FCS computation, CCA, ED, RSSI, LQI) and MAC-level hardware acceleration (CSMA-CA, automatic ACK, retransmission). The AT86RF233-ZFR implements all required timing parameters, frame formats, and channel access rules - verified through official conformance testing and referenced in Atmel-8351E datasheet revision 072014.
AT86RF233-ZFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- 802.15.4, General ISM > 1GHz
- Protocol:
- 6LoWPAN, Zigbee®
- Modulation:
- O-QPSK
- Frequency:
- 2.4GHz
- Data Rate (Max):
- 2Mbps
- Power - Output:
- 4dBm
- Sensitivity:
- -101dBm
- Memory Size:
- 128B SRAM
- Serial Interfaces:
- SPI
- GPIO:
- -
- Voltage - Supply:
- 1.8V ~ 3.6V
- Current - Receiving:
- 11.3mA ~ 11.8mA
- Current - Transmitting:
- 7.2mA ~ 13.8mA
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 32-QFN (5x5)
AT86RF233-ZFR FAQ
1.How can I place an order for AT86RF233-ZFR through Aetrix?
Please submit a Request for Quotation (RFQ) for AT86RF233-ZFR 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 AT86RF233-ZFR reliable?
The price and inventory of AT86RF233-ZFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AT86RF233-ZFR is usually 5 days.
3.What payment methods are accepted for AT86RF233-ZFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AT86RF233-ZFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AT86RF233-ZFR?
AT86RF233-ZFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AT86RF233-ZFR 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 AT86RF233-ZFR?
For technical support, including AT86RF233-ZFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AT86RF233-ZFR requirements.
6.How does Aetrix verify that AT86RF233-ZFR is sourced from the original manufacturer or authorized distributors?
All AT86RF233-ZFR 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 AT86RF233-ZFR meets industry standards.
7.What is the process for return or replacement of AT86RF233-ZFR?
All AT86RF233-ZFR units undergo pre-shipment inspection (PSI). If there is an issue with AT86RF233-ZFR, 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 AT86RF233-ZFR part is unused and in its original packaging.
Return procedure for AT86RF233-ZFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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