STM32F031K4U6Alternatives & Equivalent Parts
About STM32F031K4U6
STM32F031K4U6 is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat No-Lead package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | STM32F031K4U6Source | STM32F031K6U6 | STM32F031K6T6 | STM32F051K4T6 | STM32F031K6U7 | STM32F031K6U6TR | STM32F031K6T7 | STM32F051K8T6 | STM32F051K6T6 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 33 | 33 | 32 | 32 | 33 | 33 | 32 | 32 | 32 |
| Temperature Range | -40.0°C ~ 85.0°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 | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.3557 | $1.6088 | $1.4100 | $1.5100 | $1.6116 | $1.2541 | $1.6646 | $1.8518 | $1.6850 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| Factory Lead Time | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks |
| YTEOL | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | CORTEX-M0 | — | — | CORTEX-M0 | CORTEX-M0 | — | — | CORTEX-M0 | CORTEX-M0 |
| Clock Frequency-Max | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC Channels | NO | NO | NO | YES | NO | NO | NO | YES | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e4 | e4 | e3 | e3 | e4 | e4 | e3 | e3 | e3 |
| Number of I/O Lines | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| RAM (bytes) | 4096 | — | — | 8192 | 4096 | — | — | 8192 | 8192 |
| ROM (words) | 16384 | 32768 | 32768 | 16384 | 32768 | 32768 | 32768 | 65536 | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Voltage-Max | 3.6 V | 3.6 V | 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 | 2 V | 2 V | 3.3 V | 3.3 V | 2 V | 2 V | 3.3 V | 3.3 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 | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F031K6U6 Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| ## STM32F031K6T6 Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Format | — | — | — | FLOATING POINT | — | — | — | FLOATING POINT | FLOATING POINT |
| Low Power Mode | — | — | — | YES | — | — | — | YES | YES |
| Number of DMA Channels | — | — | — | 5 | — | — | — | 5 | 5 |
| Number of External Interrupts | — | — | — | 5 | — | — | — | 5 | 5 |
| On Chip Data RAM Width | — | — | — | 8 | — | — | — | 8 | 8 |
| Package Equivalence Code | — | — | — | QFP32,.35SQ,32 | — | — | — | QFP32,.35SQ,32 | QFP32,.35SQ,32 |
| Qualification Status | — | — | — | Not Qualified | — | — | — | Not Qualified | Not Qualified |
| Supply Current-Max | — | — | — | 23.2 mA | — | — | — | 23.2 mA | 23.2 mA |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | — | — | — | 30 | 30 |
| ## STM32F051K4T6 Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| ## STM32F051K8T6 Alternates Showing results | — | — | — | — | — | — | — | Image | — |
| ## STM32F051K6T6 Alternates Showing results | — | — | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 8 alternatives for STM32F031K4U6 — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP32
Why Look for Alternatives?
Finding alternatives for STM32F031K4U6 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 STM32F031K4U6 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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FAQ
What is equivalent to STM32F031K4U6?
Known equivalents for STM32F031K4U6 include STM32F031K6U6, STM32F031K6T6, STM32F051K4T6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F031K4U6?
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 STM32F031K4U6 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.