STM32F051K4U6Alternatives & Equivalent Parts
About STM32F051K4U6
STM32F051K4U6 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 | STM32F051K4U6Source | STM32F051K4U6TR | STM32F051K8U6 | STM32F051K4U7 | STM32F051K6U6 | STM32F051K6U7 | STM32F051K6U6TR | STM32F051K4U7TR |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 32 | 33 | 32 | 33 | 32 | 33 | 33 | 33 |
| Temperature Range | -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 ~ 105.0°C |
| Price | $1.5617 | $1.7699 | $1.7300 | $1.7142 | $1.3431 | $1.8943 | $1.7319 | $1.9038 |
| 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 |
| Electrical Parameters | ||||||||
| Factory Lead Time | 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 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | NO | NO | NO | NO | NO | NO |
| CPU Family | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | 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 |
| DAC Channels | YES | YES | YES | YES | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES | YES |
| Format | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT |
| JESD-30 Code | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 | S-XQCC-N32 |
| JESD-609 Code | e4 | e4 | e4 | e4 | e4 | e3 | e4 | e4 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | YES | YES |
| Number of DMA Channels | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Number of External Interrupts | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Number of I/O Lines | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 | 8192 |
| ROM (words) | 16384 | 16384 | 65536 | 16384 | 32768 | 32768 | 32768 | 16384 |
| ROM Programmability | 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 |
| Supply Current-Max | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 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 | 3.6 V |
| Supply Voltage-Min | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 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 |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) - immersion | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 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 | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | 30 | — | 30 | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F051K8U6 Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## STM32F051K6U6 Alternates Showing results | — | — | — | — | Image | — | — | — |
| ## STM32F051K6U6TR Alternates Showing results | — | — | — | — | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for STM32F051K4U6 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 STM32F051K4U6 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 STM32F051K4U6?
Known equivalents for STM32F051K4U6 include STM32F051K4U6TR, STM32F051K8U6, STM32F051K4U7. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F051K4U6?
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 STM32F051K4U6 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.