STM8AF5286UC STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
STM8AF5286UC is an automotive-grade 8-bit microcontroller featuring 64 KB Flash, 2 KB EEPROM, 24 MHz max clock, LIN, and CAN interfaces for reliable in-vehicle applications.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE UNCONFIRMED
- Datasheet
- STM8AF5286UC Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM8AF5286UC?
- Automotive-qualified 8-bit STM8 core running up to 24 MHz with 64 KB embedded Flash and 2 KB EEPROM
- Integrated CAN 2.0B and LIN 2.1 interfaces simplify automotive body and powertrain network connectivity
- AEC-Q100-qualified device operating across -40°C to +125°C for robust in-vehicle environment performance
- 25 I/O lines plus ADC in compact 32-pin QFN package reduces BOM cost and PCB footprint
What is STM8AF5286UC used for?
The STM8AF5286UC is designed for automotive body-control modules, door and window actuators, and HVAC controllers where CAN or LIN communication is required. Its integrated Flash and EEPROM make it well suited for parameter storage in engine-management peripherals and instrument-cluster nodes. The device is also used in industrial motor-control and sensor-interface applications that demand robust operation across a wide -40°C to +125°C temperature range.
What are the specifications of STM8AF5286UC?
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | STM8 |
| Clock Frequency-Max | 24MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-XQCC-N32 |
| Number of I/O Lines | 25 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | UNSPECIFIED |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| RAM (bytes) | 6144 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Screening Level | AEC-Q100 |
| Speed | 24MHz |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A001.a.2.a |
| HTS Code | 8542.31.00.15 |
Where can I find the STM8AF5286UC datasheet?
STM8AF5286UC Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM8AF5286UC?
Compatible alternatives and drop-in replacements for STM8AF5286UC:
Frequently Asked Questions
What clock frequency does the STM8AF5286UC support, and how does that affect real-time control tasks?
The STM8AF5286UC runs at up to 24 MHz, delivering 24 MIPS peak throughput. This speed allows 8-bit control loops—such as PWM generation or PID calculation—to complete within 1 µs cycles, making it sufficient for most automotive body-control and sensor-processing tasks without external crystal circuitry.
Which automotive communication protocols does the STM8AF5286UC natively support?
The device integrates both a CAN 2.0B controller and a LIN 2.1 interface on-chip, eliminating external transceivers for many designs. CAN operates at up to 1 Mbit/s while LIN handles lower-speed sub-networks at up to 20 kbit/s, covering the two dominant in-vehicle bus standards used across chassis and body domains.
How much non-volatile storage is available on the STM8AF5286UC for code and calibration data?
The STM8AF5286UC provides 64 KB of Flash program memory and 2 KB of embedded EEPROM. The EEPROM supports byte-level write with endurance of 300,000 cycles, making it suitable for storing calibration constants, fault codes, and configuration parameters that must survive a power cycle.
What temperature range qualifies the STM8AF5286UC for under-hood automotive designs?
The device is AEC-Q100 Grade 1 qualified, supporting operation from -40°C to +125°C junction temperature. This range covers under-hood engine-bay locations where ambient temperatures routinely exceed 85°C, allowing designers to deploy the part near heat-generating actuators without additional thermal derating.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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