STM32F103CBT6Alternatives & Equivalent Parts
About STM32F103CBT6
STM32F103CBT6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | STM32F103CBT6Source | STM32F103CBT6TR | STM32F103C6U6A | STM32F103C8T6 | STM32F103C6T6 | STM32F103C8T6TR | STM32F103C6T7A |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 48 | 48 | 49 | 48 | 48 | 48 | 48 |
| Temperature Range | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C |
| Price | $3.4438 | — | $2.8802 | $2.5431 | — | — | $2.9988 |
| Electrical Parameters | |||||||
| YTEOL | 9 | 9 | 9 | 9 | 0 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | YES | NO | YES | NO | YES | NO |
| CPU Family | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | STM32 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 |
| Clock Frequency-Max | 16 MHz | 72 MHz | 16 MHz | 16 MHz | 16 MHz | 72 MHz | 16 MHz |
| DAC Channels | NO | NO | — | NO | NO | NO | — |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G48 | S-PQFP-G48 | S-PQCC-N48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 | S-PQFP-G48 |
| JESD-609 Code | e4 | e4 | e3 | e4 | e4 | e4 | e4 |
| Number of I/O Lines | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| On Chip Program ROM Width | 8 | 8 | — | 8 | 8 | 8 | — |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 | QFP48,.35SQ,20 | LCC48,.27SQ,20 | QFP48,.28SQ,20 | QFP48,.35SQ,20 | QFP48,.35SQ,20 | QFP48,.35SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 20480 | 20480 | 10240 | 20480 | 10240 | 20480 | 10240 |
| ROM (words) | 131072 | 131072 | 32768 | 65536 | 32768 | 65536 | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 72 MHz | 1.25 MHz | 72 MHz | 72 MHz | 72 MHz | 1.25 MHz | 72 MHz |
| Supply Current-Max | 50 mA | 50 mA | 46 mA | 50 mA | 50 mA | 50 mA | 46 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 3.3 V | 3.3 V | 2 V | 3.3 V | 3.3 V | 3.3 V | 2 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | NICKEL PALLADIUM GOLD | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | NO LEAD | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | 40 | — | NOT SPECIFIED | 40 | 40 | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F103CBT6 Alternates Showing results | Image | — | — | — | — | — | — |
| Address Bus Width | — | 32 | — | — | — | 32 | — |
| External Data Bus Width | — | 32 | — | — | — | 32 | — |
| ## STM32F103CBT6TR Alternates Showing results | — | Image | — | — | — | — | — |
| Factory Lead Time | — | — | 13 Weeks | — | — | — | 13 Weeks |
| ## STM32F103C6U6A Alternates Showing results | — | — | Image | — | — | — | — |
| Format | — | — | — | FIXED POINT | — | — | — |
| Integrated Cache | — | — | — | NO | — | — | — |
| Low Power Mode | — | — | — | YES | — | — | — |
| Number of DMA Channels | — | — | — | 7 | — | — | — |
| Number of External Interrupts | — | — | — | 16 | — | — | — |
| ## STM32F103C8T6 Alternates Showing results | — | — | — | Image | — | — | — |
| Pbfree Code | — | — | — | — | Yes | — | — |
| ## STM32F103C6T6 Alternates Showing results | — | — | — | — | Image | — | — |
| ## STM32F103C8T6TR Alternates Showing results | — | — | — | — | — | Image | — |
| ## STM32F103C6T7A Alternates Showing results | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 1.25MHz, CMOS, PQFP48
suggested
RISC Microcontroller, 32-Bit, FLASH, STM32 CPU, 72MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 1.25MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 72MHz, CMOS, PQFP48
Why Look for Alternatives?
Finding alternatives for STM32F103CBT6 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating STM32F103CBT6 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to STM32F103CBT6?
Known equivalents for STM32F103CBT6 include STM32F103CBT6TR, STM32F103C6U6A, STM32F103C8T6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F103CBT6?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify STM32F103CBT6 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.