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STM8S903K3U3

STMicroelectronics

STM8S903K3U3 by STMicroelectronics

STM8S903K3U3 microcontroller from STMicroelectronics features an 8-bit architecture, operates at a max voltage of 5.5V, and supports up to 16 MHz clock speed. With 32 terminals and automotive-grade temperature range (-40 °C to 125°C), it's ideal for automotive applications. It includes ADC channels and various connectivity options like I2C and SPI for versatile integration.

Median Price

-

Lifecycle Status

Suppliers In-Stock

3

In-Stock Inventory

1k+

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Anansix

USA . 2,123 parts In-Stock

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2,123

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Vyrian

USA . 2,034 parts In-Stock

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2,034

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Digiode

USA . 188 parts In-Stock

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188

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Distributors (Availability)

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Vigor

Singapore . 8,460 parts In-Stock

1+ parts

$1.900

100+ parts

-

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8,460

$1.900

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AZTECH Wire

Italy . 1,081 parts In-Stock

1+ parts

$9.140

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1,081

$9.140

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Component Stockers USA

USA . 3,312 parts In-Stock

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$14.540

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3,312

$14.540

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IDEA Electronic Components Group

UK . 2,375 parts In-Stock

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$69.042

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$62.138

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2,375

$69.042

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$62.138

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MKK Technologies

India . 1,844 parts In-Stock

1+ parts

$129.830

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1,844

$129.830

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DigiPath Technology Company

USA . 1,844 parts In-Stock

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$129.830

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1,844

$129.830

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QUARKTWIN TECHNOLOGY LTD

USA . 29,571 parts In-Stock

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29,571

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Microchip USA

USA . 7,677 parts In-Stock

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Corphita

USA . 2,850 parts In-Stock

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2,850

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Parana Technologies

USA . 2,014 parts In-Stock

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$82.551

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2,014

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$82.551

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Perfect Parts

USA . 519 parts In-Stock

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519

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iodParts Technologies Inc.

India . 100 parts In-Stock

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100

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Overview

Unlock innovation with the STM8S903K3U3 microcontroller from STMicroelectronics, a leader in semiconductor technology. Designed for reliability in demanding applications, this compact powerhouse excels in automotive and industrial settings. With robust features like versatile connectivity options and low power consumption, it delivers exceptional performance without compromise. Elevate your projects with unmatched quality and enjoy peace of mind knowing you’re backed by a trusted name in microcontrollers.

Feature Benefit Bullets

Surface Mount: YES

The surface mount capability allows for easy integration into compact designs, making it suitable for space-constrained applications.

Maximum Supply Voltage: 5.5 V

This higher supply voltage provides flexibility for various applications while ensuring safe operation.

Package Shape: SQUARE

The square package shape enhances stability on PCBs, contributing to reliable connections in automotive environments.

Bit Size: 8

The 8-bit architecture is well-suited for low-power applications, which lowers energy consumption while maintaining performance.

Power Supplies (V): 3.3/5

Dual supply options allow compatibility with a range of external devices, making it versatile for different circuits.

No. of Terminals: 32

A higher number of terminals permits more input/output options, catering to complex functionalities in your projects.

Package Style (Meter): CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

The very thin profile provides excellent thermal management and compact design benefits, crucial for automotive applications.

Minimum Supply Voltage: 2.95 V

This lower minimum supply voltage supports battery-powered designs while extending operational lifespan.

Maximum Operating Temperature: 125 °C

The high temperature tolerance makes it suitable for automotive and industrial environments where heat is present.

Minimum Operating Temperature: -40 °C

Capable of operating in extreme cold conditions ensures reliability across diverse climatic scenarios.

Terminal Finish: MATTE TIN

Matte tin finish mitigates solderability issues during assembly, enhancing the overall manufacturing process.

ADC Channels: YES

Integrated ADC channels allow for real-time analog signal processing, making it ideal for various sensor applications.

Terminal Position: QUAD

Quad terminal positioning facilitates easier routing on PCBs, enhancing design efficiency.

ROM Words: 2048

A moderate amount of ROM supports a variety of applications while covering essential firmware needs.

Maximum Seated Height: 0.6 mm

Low seated height enables a compact design, allowing for integration in ultra-thin devices.

Width: 5 mm

The compact width contributes to efficient use of space on PCBs, ideal for space-limited designs.

Data EEPROM Size: 640

Sufficient EEPROM size allows for persistent data storage, which is beneficial for applications requiring data retention.

Peripherals: BOD, POR, TIMER(6)

The availability of built-in peripherals reduces the need for external components, simplifying design and lowering costs.

Maximum Clock Frequency: 16 MHz

A high clock frequency enables fast processing capabilities, which increases the overall performance of the system.

Peak Reflow Temperature °C: 260

High peak reflow temperature tolerance ensures compatibility with standard soldering processes, enhancing manufacturability.

Length: 5 mm

Short length contributes to overall size constraints, supporting ultra-compact device designs.

Temperature Grade: AUTOMOTIVE

Automotive-grade classification ensures reliability and durability in harsh conditions typical of vehicle environments.

Peripheral IC Type: MICROCONTROLLER

As a microcontroller, it is well-suited for embedded systems, enabling sophisticated control in various applications.

RAM Bytes: 1024

The ample RAM size provides sufficient memory for executing complex algorithms and data management.

Technology: CMOS

CMOS technology assures low power consumption and high noise immunity, critical for battery-operated devices.

Terminal Form: NO LEAD

No lead form reduces the environmental impact and aligns with the latest eco-friendly manufacturing practices.

Analog To Digital Converters: 7-Ch 10-Bit

The presence of multiple ADCs allows for simultaneous processing of several signals, increasing system efficiency.

Maximum Supply Current: 4.75 mA

Low supply current aids in extending battery life, making it suitable for portable applications.

Nominal Supply Voltage: 3.3 V

A nominal supply voltage of 3.3 V is common in many digital circuits, ensuring compatibility with various components.

PWM Channels: YES

Integrated PWM channels allow for easy motor control and signal modulation, enhancing versatility in applications.

Connectivity: I2C, IRDA, LIN, SPI, UART

Multiple connectivity options ensure compatibility with various communication protocols, catering to diverse application needs.

ROM Programmability: FLASH

Flash programmability simplifies firmware updates and customization, enhancing product lifespan and capabilities.

Terminal Pitch: 0.5 mm

A fine terminal pitch allows for denser PCB designs, facilitating advanced circuitry in smaller footprints.

Moisture Sensitivity Level (MSL): 3

Moderate moisture sensitivity aligns with standard handling practices, crucial for maintaining product integrity during production.

Speed: 16 rpm

Adequate speed specifications cater to applications requiring controlled movement, enhancing functionality.

On Chip Program ROM Width: 32

A wider ROM width improves instruction throughput, which is beneficial for performance-intensive applications.

No. of I/O Lines: 28

A good number of I/O lines facilitates extensive interaction with sensors and other peripherals, enhancing design flexibility.

Technical Specifications

Microcontrollers STM8S903K3U3 attributes and parameters. Explore more Microcontrollers devices from STMicroelectronics

Specs

ADC Channels:

YES

Address Bus Width:

0

Bit Size:

8

Maximum Clock Frequency:

16 MHz

DAC Channels:

NO

DMA Channels:

NO

External Data Bus Width:

0

JESD-30 Code:

S-XQCC-N32

JESD-609 Code:

e3

Length:

5 mm

Moisture Sensitivity Level (MSL):

3

No. of I/O Lines:

28

No. of Terminals:

32

On Chip Program ROM Width:

32

Maximum Operating Temperature:

125 Cel

Minimum Operating Temperature:

-40 Cel

PWM Channels:

YES

Package Body Material:

UNSPECIFIED

Package Code:

Package Equivalence Code:

LCC32,.2SQ,20

Package Shape:

Package Style (Meter):

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

Peak Reflow Temperature (C):

260

Power Supplies (V):

3.3/5

Qualification:

Not Qualified

RAM Bytes:

1024

ROM Words:

2048

ROM Programmability:

FLASH

Maximum Seated Height:

.6 mm

Speed:

16 rpm

Sub-Category:

Microcontrollers

Maximum Supply Current:

4.75 mA

Maximum Supply Voltage:

5.5 V

Minimum Supply Voltage:

2.95 V

Nominal Supply Voltage:

3.3 V

Surface Mount:

YES

Technology:

CMOS

Temperature Grade:

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

.5 mm

Terminal Position:

QUAD

Width:

5 mm

Peripheral IC Type:

Data EEPROM Size:

640

Connectivity:

I2C, IRDA, LIN, SPI, UART

Peripherals:

BOD, POR, TIMER(6)

Analog To Digital Convertors:

7-Ch 10-Bit

Trade Compliance

STM8S903K3U3 Peripheral ICs trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.31.00.01

SB

8542.31.00.00

PCN

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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