STM8S903F3P3
- Mfr.Part #
- STM8S903F3P3
- Manufacturer
- STMicroelectronics
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 20TSSOP
- Stock
- 26,571
- In Stock :
- 26,571
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- STMicroelectronics
- Product Category :
- Microcontrollers
- Height Seated (Max) :
- 1.2mm
- RAM Size :
- 1K x 8
- Radiation Hardening :
- No
- Connectivity :
- I2C, IrDA, LINbus, SPI, UART/USART
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- DMA Channels :
- No
- Supply Current-Max :
- 4.75mA
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of Timers/Counters :
- 9
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Oscillator Type :
- Internal
- Operating Temperature :
- -40°C~125°C TA
- Base Part Number :
- STM8S903
- Program Memory Size :
- 8KB 8K x 8
- Program Memory Type :
- Flash
- RoHS Status :
- ROHS3 Compliant
- Core Size :
- 8-Bit
- Packaging :
- Tube
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Pin Count :
- 20
- Core Processor :
- STM8
- Data Bus Width :
- 8B
- Supply Voltage :
- 3.3V
- Peak Reflow Temperature (Cel) :
- 260
- EEPROM Size :
- 640 x 8
- Frequency :
- 16MHz
- Terminal Pitch :
- 0.65mm
- PWM Channels :
- yes
- JESD-609 Code :
- e4
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Max Power Dissipation :
- 45mW
- Mounting Type :
- Surface Mount
- Number of I/O :
- 16
- Interface :
- I2C, IrDA, LIN, SPI, UART, USART
- Factory Lead Time :
- 8 Weeks
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Series :
- STM8S
- Surface Mount :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 2.95V~5.5V
- Memory Size :
- 8kB
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- On Chip Program ROM Width :
- 32
- Number of Terminations :
- 20
- HTS Code :
- 8542.31.00.01
- Number of Pins :
- 20
- Bit Size :
- 8
- DAC Channels :
- No
- Power Supplies :
- 3.3/5V
- Data Converter :
- A/D 5x10b
- Watchdog Timer :
- yes
- Number of Programmable I/O :
- 28
- Has ADC :
- yes
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Length :
- 6.5mm
- Datasheets
- STM8S903F3P3

Microcontrollers STMicroelectronics STM8S903F3P3 Overview
The STM8S903F3P3 from STMicroelectronics is a highly capable microcontroller designed to deliver efficient performance and reliability for a wide array of applications. This component belongs to STM8S series, known for its robust architecture and enhanced features aimed at industrial and consumer markets. With 8KB of flash memory, this 8-bit MCU integrates advanced control capabilities and multiple communication interfaces, making it ideal for developers looking to optimize system complexity and cost. The Microcontrollers STMicroelectronics STM8S903F3P3 is particularly suited for applications requiring a precise balance between performance and power efficiency, enabling innovative design in compact form factors.
STM8S903F3P3 Features
The STM8S903F3P3 boasts several features that make it a preferred choice for designers and engineers. Key features include:
- 8-bit processing core with advanced STM8 core running at up to 16 MHz.
- 8KB flash memory, providing ample space for application code.
- Integrated EEPROM and RAM for flexible data storage and management.
- Multiple communication interfaces including I2C, SPI, and UART for comprehensive peripheral connectivity.
- Robust 10-bit ADC with various channels, enhancing sensor data handling capabilities.
- Low power consumption modes for energy-sensitive applications.
- Wide operating voltage and temperature range, suitable for harsh environments.
STM8S903F3P3 Applications
- Home automation systems: Utilizes its robust I/O capabilities to interface with sensors and actuators, providing seamless and reliable control in smart home devices.
- Consumer electronics: Employs its ADC and communication interfaces in user interface controls for appliances, enhancing user interaction and functionality.
- Industrial control: Takes advantage of its enhanced processing power and memory capacity for managing complex control algorithms in automation equipment.
- Automotive applications: Suitable for non-critical automotive subsystems due to its reliable performance under varying temperature ranges and robust interfacing capabilities.
- Power management systems: Helps optimize power consumption through its efficient power management features, ideal for energy management solutions.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















