What is a cross-reference page for STM32F103CBT6?
This page groups mapped replacement options for STM32F103CBT6 so buyers and engineers can compare alternatives before requesting a quote or approving a substitute.
Alternative part analysis
STM32F103CBT6 replacements, alternatives, and cross reference
Compare mapped replacement and alternative options for STM32F103CBT6, then verify package, specifications, and application fit before approval.
Compare STM32F103CBT6 against mapped replacement options
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Specification view
Parameter Comparison Chart
A side-by-side view of the source part and its mapped alternatives so buyers and engineers can screen package, availability, lifecycle, and key descriptors before RFQ.
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| Parameter Comparison Chart | Current part STM32F103CBT6 STMicroelectronics |
|---|---|
| Part Number | STM32F103CBT6 |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Subcategory | Embedded - Microcontrollers |
| Package | LQFP |
| Series | STM32F1 |
| Key Attributes | - |
| Description | IC MCU 32BIT 128KB FLASH 48LQFP |
| Lifecycle | - |
| Stock | 150,946 |
| Available | 54,849 |
| Min Order | 1 |
| Datasheet | Available |
| RoHS Status | ROHS3 Compliant |
| REACH SVHC | No SVHC |
| JESD-609 Code | e4 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Part Status | Active |
| Packaging | Tray |
| Lead Free | Lead Free |
| Mounting Type | Surface Mount |
| Factory Lead Time | 10 Weeks |
| Termination | SMD/SMT |
| Categories | Integrated Circuits (ICs) |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Form | GULL WING |
| Technology | CMOS |
| Address Bus Width | 32b |
| Terminal Position | QUAD |
| Terminal Pitch | 0.5mm |
| Operating Temperature | -40°C~85°C TA |
| Subcategory | Microcontrollers |
| Sub-Categories | Embedded - Microcontrollers |
| Lifecycle Status | ACTIVE (Last Updated: 2 weeks ago) |
| Package / Case | 48-LQFP |
| Manufacturer | STMicroelectronics |
| Contact Plating | Gold |
| Surface Mount | YES |
| Radiation Hardening | No |
| Height | 1.45mm |
| Number of I/O | 37 |
| Supply Voltage | 3.3V |
| Width | 7.2mm |
| Length | 7mm |
| Number of Terminations | 48 |
| Number of Pins | 48 |
| Pin Count | 48 |
| Number of Bits | 32 |
| Series | STM32F1 |
| Frequency | 72MHz |
| Interface | CAN, I2C, IrDA, LIN, SPI, UART, USART, USB |
| Base Part Number | STM32F103 |
| Manufacturer's Part No. | STM32F103CBT6 |
| Barrel Shifter | 12 |
| Max Power Dissipation | 363mW |
| Supply Voltage-Max (Vsup) | 3.6V |
| Oscillator Type | Internal |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Voltage - Supply (Vcc/Vdd) | 2V~3.6V |
| Has ADC | YES |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Number of Timers/Counters | 4 |
| Supply Current-Max | 50mA |
| Bit Size | 32 |
| Data Bus Width | 32b |
| Speed | FLASH |
| Output Voltage-Nom (FM) | 32-Bit |
| Min Supply Voltage (DC) | 2V |
| Core Processor | CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Format | CORTEX-M3 |
| RAM Size | 20K x 8 |
| Access Time | 2 |
| eak Reflow Temperature-Max (s) | ARM |
| Core Size | 128KB 128K x 8 |
| RAM (words) | 10 |
| Tim | Yes |
| Peripherals | DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT |
| Data Converters | A/D 10x12b |
| Integrated Cache | 1 Mb |
| Mfr | ARM® Cortex®-M3 |
| Voltage - Supply (Vcc\/Vdd) | 128kB |
| Actions |
Cross-reference FAQ
Replacement Part Questions
Short answers for teams reviewing STM32F103CBT6 replacement and equivalent-part options.
Does a mapped alternative mean a guaranteed drop-in replacement for STM32F103CBT6?
Not automatically. Cross-reference mapping helps shortlist candidates, but package, electrical behavior, qualification scope, and approval rules still need to be checked before release.
Which parameters should teams compare first for STM32F103CBT6 alternatives?
Start with package, series, key attributes, lifecycle status, stock position, datasheet access, and the mapped pin-to-pin or cross-reference note. Then confirm application-specific requirements in the datasheet and RFQ stage.
Can I request a quote for an alternative to STM32F103CBT6?
Yes. Use the product links or RFQ actions on this page to request pricing, availability, documentation, and sourcing support for any listed alternative part.
Is STM32F103CBT6 obsolete, and what replacement should buyers review first?
Check the lifecycle row on this page first. If buyers need a fast starting point, the strongest mapped replacement currently surfaced here is , followed by the other alternatives shown in the comparison table.
Engineering support
Need help validating the replacement path?
If your team is unsure whether a mapped alternative to STM32F103CBT6 from STMicroelectronics is really usable, contact us for help on package fit, pin compatibility, key parameter gaps, and qualification-facing review questions.
Contact a hardware engineer
Email our engineering support contact at [email protected], or use the contact page if the question should be routed across sourcing, engineering, and support.
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Package and pin compatibility
Review whether the alternate path looks credible from package, footprint, and pin-level perspectives.
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Parameter and function gaps
Surface the electrical, interface, or application-fit questions that still need confirmation before approval.
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Qualification and approval prep
Organize the documentation, datasheet evidence, and validation checkpoints your internal team may still require.