STM32W108HBU63 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
STM32W108HBU63 is a 32-bit ARM Cortex-M3 wireless microcontroller by STMicroelectronics in a 40-pin QFN package, integrating an IEEE 802.15.4 RF transceiver for Zigbee and RF4CE applications. Key specs: 32-bit Cortex-M3 core, 128 KB flash, 2.4 GHz radio. From $3.00, in stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 40
- Lifecycle
- OBSOLETE
- Datasheet
- STM32W108HBU63 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated IEEE 802.15.4 compliant 2.4 GHz RF transceiver enables single-chip Zigbee, RF4CE, and 6LoWPAN wireless solutions
- 32-bit ARM Cortex-M3 CPU core running up to 24 MHz with 128 KB flash and 8 KB RAM for embedded control and networking
- Ultra-low-power sleep modes with 1 µA deep sleep current extend battery life in coin-cell-powered IoT sensor nodes
Applications
STM32W108HBU63 targets wireless sensor networks, home automation gateways, and smart energy mesh networks using the Zigbee protocol. Its integrated Cortex-M3 processor and IEEE 802.15.4 radio make it a complete single-chip solution for building automation devices such as thermostats, occupancy sensors, and smart lighting controllers. The 40-pin QFN package and low power consumption suit battery-operated field devices that must operate for years without replacement.
Specifications
| Manufacturer Package Code | VFQFPN |
| YTEOL | 0 |
| Bit Size | 32 |
| CPU Family | CORTEX-M3 |
| JESD-30 Code | S-XQCC-N40 |
| JESD-609 Code | e3 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC40,.24SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 8192 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 24MHz |
| Supply Current-Max | 150mA |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.18V |
| Supply Voltage-Nom | 1.25V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | RFSoC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.30 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What wireless protocol does STM32W108HBU63 support and at what frequency?
STM32W108HBU63 integrates an IEEE 802.15.4 compliant transceiver operating at 2.4 GHz, supporting Zigbee, RF4CE, and 6LoWPAN stack implementations. The 32-bit ARM Cortex-M3 processor runs at up to 24 MHz and has 128 KB of flash memory, allowing the wireless stack and application code to coexist on a single chip.
How does STM32W108HBU63 achieve multi-year battery life in a coin-cell-powered sensor node?
STM32W108HBU63 features ultra-low-power sleep modes, with deep sleep current as low as 1 µA, enabling a 225 mAh CR2032 coin cell to last several years when the device wakes only to sample and transmit at intervals of minutes. The Cortex-M3 core and RF block can power down independently, allowing fine-grained power budgeting in firmware.
Is STM32W108HBU63 suitable for a Zigbee mesh network with more than 20 nodes?
Yes, STM32W108HBU63 supports full Zigbee mesh network operation including router and coordinator roles. With 128 KB flash and 8 KB RAM, the device can run the Zigbee PRO stack along with a modest application layer, supporting networks of tens to hundreds of nodes depending on the routing table size and application memory requirements.
What is the package type of STM32W108HBU63 and how many I/O pins does it offer?
STM32W108HBU63 comes in a 40-pin VFQFPN QFN package (very thin profile, 6 mm × 6 mm body) with 31 configurable I/O lines. The QFN format with 0.5 mm pitch allows compact PCB footprints suitable for small IoT devices, while the exposed heat slug aids thermal dissipation during active RF transmission.
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