STM32L051K8U3TRAlternatives & Equivalent Parts
About STM32L051K8U3TR
STM32L051K8U3TR 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 | STM32L051K8U3TRSource | STM32L051K8U3 | STM32L051K8U7TR | STM32L031K6U3TR |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead |
| Pin Count | 33 | 33 | 33 | 33 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 125.0°C |
| Price | $1.3800 | $1.3728 | $1.3283 | $1.0368 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks |
| YTEOL | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 |
| Boundary Scan | NO | NO | NO | NO |
| CPU Family | CORTEX-M0 | CORTEX-M0 | CORTEX-M0 | Cortex-M0+ |
| Clock Frequency-Max | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| DAC Channels | NO | NO | NO | NO |
| DMA Channels | YES | YES | YES | YES |
| Integrated Cache | NO | NO | NO | NO |
| JESD-30 Code | S-PQCC-N32 | S-PQCC-N32 | S-PQCC-N32 | S-XQCC-N32 |
| Low Power Mode | YES | YES | YES | YES |
| Number of DMA Channels | 7 | 7 | 7 | 7 |
| Number of I/O Lines | 27 | 27 | 27 | 27 |
| Number of Timers | 5 | 5 | 5 | 5 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED |
| Package Equivalence Code | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 |
| Package Shape | 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 |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | 260 | 260 | — |
| RAM (bytes) | 8192 | 8192 | 8192 | 8192 |
| ROM (words) | 65536 | 65536 | 65536 | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH |
| Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Current-Max | 6.8 mA | 6.8 mA | 6.8 mA | 5.7 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 1.8 V | 1.8 V | 3 V | 1.8 V |
| Supply Voltage-Nom | 3 V | 3 V | 3 V | 3 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE |
| Terminal Form | NO LEAD | NO LEAD | NO LEAD | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | 30 | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| JESD-609 Code | — | e3 | e3 | — |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | — |
| ## STM32L051K8U7TR Alternates Showing results | — | — | Image | — |
| Format | — | — | — | FIXED POINT |
| Number of External Interrupts | — | — | — | 26 |
| Number of Serial I/Os | — | — | — | 2 |
| On Chip Data RAM Width | — | — | — | 8 |
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 3 alternatives for STM32L051K8U3TR — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PQCC32
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PQCC32
RISC Microcontroller, 32-Bit, FLASH, Cortex-M0+ CPU, 32MHz, CMOS
Why Look for Alternatives?
Finding alternatives for STM32L051K8U3TR 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 STM32L051K8U3TR 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 STM32L051K8U3TR?
Known equivalents for STM32L051K8U3TR include STM32L051K8U3, STM32L051K8U7TR, STM32L031K6U3TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L051K8U3TR?
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 STM32L051K8U3TR 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.