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STMicroelectronics STM8AF52A8TDX — Microcontrollers & Processors (MCU / MPU / DSP)

STM8AF52A8TDX 8-bit MCU, 24 MHz, AEC-Q100, 128 KB Flash

MPNSTM8AF52A8TDX
NRND

STMicroelectronics STM8A series, STM8AF52A8TDX, 8-Bit MCU, 24MHz, 128KB (128K x 8) FLASH, 6K x 8 RAM, 2K x 8 EEPROM, 38 I/O, CANbus/I²C/LINbus/SPI/UART/USART, A/D 10x10b, -40°C~150°C, 48-LQFP (7x7), Surface Mount, Tape & Reel (TR).

$4.2478Ref. price · indicative, final on quote
STMicroelectronics STM8AF52A8TDX datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

STM8AF52A8TDX specifications
ParameterValue
SeriesAutomotive, AEC-Q100, STM8A
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))3V ~ 5.5V
Operating temperature-40°C~150°C(TA)
Speed24MHz
PackageTape & Reel (TR)
RAM size6K x 8
Core size8-Bit
EEPROM size2K x 8
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityCANbus, I²C, LINbus, SPI, UART/USART
Number of i (O)38
Core processorSTM8A
Case48-LQFP
Data convertersA/D 10x10b
Program memory size128KB (128K x 8)

Product details

Automotive 8-bit MCU with CAN and LIN — what this part is

The STM8AF52A8TDX: This part is designed for automotive body-control modules, sensor-fusion nodes, and in-vehicle network gateways where extended temperature tolerance and CAN/LIN connectivity are required.

NRND status — plan your BOM transition

Buyers should evaluate last-time-buy quantities for ongoing builds and identify a pin-compatible or functionally equivalent alternative for future BOMs.

The 24 MHz core speed, paired with 128 KB Flash and 6 KB RAM, places this MCU in the mid-range tier of 8-bit automotive controllers. It handles CAN message processing, LIN slave tasks, and basic sensor fusion without hitting throughput limits. The 2 KB EEPROM is useful for storing calibration constants and fault codes without needing external nonvolatile memory.

48-LQFP footprint and supply rails

The MCU is supplied in a 48-LQFP package with a 7x7 mm body, a common automotive-grade footprint. The 38 I/O lines provide adequate headroom for multiplexed displays, switch inputs, and actuator drives.

Frequently asked questions

What is the exact pinout of STM8AF52A8TDX?

Design engineers need the pin layout to validate PCB fit and connections.

Is STM8AF52A8TDX still in production or has it reached end of life?

With an NRND status, buyers must know lifecycle to plan for replacements or redesigns.

What is the price of STM8AF52A8TDX?

Sourcing buyers need pricing for BOM cost estimation and approval.

Where can I buy STM8AF52A8TDX in stock?

Transactional buyers need immediate availability for production or prototyping.

What is a direct replacement or equivalent for STM8AF52A8TDX?

Due to NRND, buyers seek drop-in alternatives to avoid redesign costs.

What are the key specifications of STM8AF52A8TDX?

Engineers and technicians need core specs like speed, memory, and peripherals for design validation.