STM8S208S8T6 STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STMicroelectronics STM8S208S8T6 is a mainstream 8-bit microcontroller with 64 KB Flash, 6 KB RAM, 2 KB EEPROM, and a 24 MHz CPU, featuring CAN interface and multiple communication peripherals in a 64-pin LQFP package for cost-effective embedded control applications.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE UNCONFIRMED
- Datasheet
- STM8S208S8T6 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 64 KB Flash program memory and 2 KB integrated EEPROM enable non-volatile data storage without external memory in cost-sensitive 8-bit embedded control designs
- On-chip CAN 2.0B controller alongside UART, SPI, and I2C peripherals covers industrial communication needs in a single 64-pin LQFP package running at up to 24 MHz CPU clock
- Wide supply voltage range from 2.95 V to 5.5 V and -40°C to +85°C operating temperature make the STM8S208S8T6 suitable for automotive-adjacent and industrial control designs
Applications
The STM8S208S8T6 is used in industrial automation controllers, motor drive systems, and building automation nodes that require CAN bus communication alongside multiple serial peripherals within a single 8-bit MCU. Its 64 KB Flash supports moderate firmware complexity for PID control loops, sensor conditioning, and protocol stacks without external program memory. The 64-pin LQFP package and 24 MHz CPU make it a cost-effective replacement for legacy 8-bit controllers in white goods, HVAC controllers, and smart meter front-ends requiring integrated EEPROM for calibration data storage.
Specifications
| YTEOL | 9.03 |
| Memory IC Type | MEMORY CIRCUIT |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.71 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM8S208S8T6:
Frequently Asked Questions
What memory resources does the STM8S208S8T6 provide for embedded firmware development?
The STM8S208S8T6 integrates 64 KB of Flash program memory, 6 KB of RAM for runtime data, and 2 KB of on-chip EEPROM for non-volatile parameter storage. These resources are sufficient for CAN-based industrial control firmware with sensor drivers, PID algorithms, and communication stacks operating at up to 24 MHz CPU clock frequency without needing external memory devices.
For a CAN-based industrial node, how does the STM8S208S8T6 compare to using a separate CAN controller with a basic 8-bit MCU?
The STM8S208S8T6 integrates a CAN 2.0B controller directly on-chip, eliminating the external MCP2515 or TJA1050 controller plus its SPI interface. This reduces BOM by at least 2 ICs, lowers PCB area by approximately 50 mm², and reduces software complexity by removing the SPI-to-CAN abstraction layer, while the 24 MHz CPU and 64 KB Flash provide enough headroom for the full CANopen or J1939 application stack.
What supply voltage and temperature range does the STM8S208S8T6 support for industrial designs?
The STM8S208S8T6 operates from 2.95 V to 5.5 V supply voltage and is specified across an industrial temperature range of -40°C to +85°C. This voltage flexibility allows it to interface directly with both 3.3 V and 5 V logic systems without level shifters, simplifying mixed-voltage industrial control board designs that combine the MCU with 5 V CAN transceivers and 3.3 V sensors.
Which package does the STM8S208S8T6 use, and how does it affect PCB layout for I/O-intensive designs?
The STM8S208S8T6 is housed in a 64-pin LQFP package with a 10 x 10 mm body and 0.5 mm pin pitch (LQFP-64), providing up to 38 GPIO pins. The fine 0.5 mm pitch requires a 4-layer PCB with 0.2 mm trace and space rules near the MCU, but the 64-pin count supports simultaneous use of CAN, UART, SPI, I2C, ADC inputs, and PWM outputs without multiplexing constraints in motor control or multi-sensor industrial applications.
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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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