STM32L151CBU6DAlternatives & Equivalent Parts
About STM32L151CBU6D
STM32L151CBU6D 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 | STM32L151CBU6DSource | STM32L151CBU6 | STM32L152CBU6 | STM32L151C6U6 | STM32L152C6U6 | STM32L152C6U6A | STM32L152C8U6A | STM32L152C8U6 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Other | Quad Flat No-Lead | Other | Quad Flat No-Lead | Quad Flat No-Lead | Other |
| Pin Count | 48 | 48 | 48 | 48 | 48 | 49 | 49 | 48 |
| 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 ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.5570 | $3.6264 | $4.4500 | $2.8798 | $3.8422 | $2.8000 | $3.1032 | $4.0443 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | NOT RECOMMENDED | NOT RECOMMENDED | NOT RECOMMENDED | NOT RECOMMENDED | ACTIVE | ACTIVE | NOT RECOMMENDED |
| Electrical Parameters | ||||||||
| Manufacturer Package Code | UFQFPN | UFQFPN | UFQFPN | UFQFPN | UFQFPN | — | — | UFQFPN |
| Factory Lead Time | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks |
| YTEOL | 7 | 7 | 7 | 7 | 6 | 9 | 9 | 6 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | YES | YES | YES | YES | YES | YES | YES | YES |
| CPU Family | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 | CORTEX-M3 |
| 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 |
| JESD-30 Code | S-XQCC-N48 | S-XQCC-N48 | S-XQCC-N48 | S-XQCC-N48 | S-XQCC-N48 | S-PQCC-N48 | S-PQCC-N48 | S-XQCC-N48 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Number of I/O Lines | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| 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 | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED |
| Package Equivalence Code | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,20 | LCC48,.27SQ,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 |
| RAM (bytes) | 16384 | 16384 | 16384 | 10240 | 10240 | 16384 | 32768 | 10240 |
| ROM (words) | 131072 | 131072 | 131072 | 32768 | 32768 | 32768 | 65536 | 65536 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 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 |
| Supply Voltage-Min | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V |
| Supply Voltage-Nom | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V | 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 | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| 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) | 40 | 40 | 40 | 40 | — | NOT SPECIFIED | NOT SPECIFIED | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Supply Current-Max | — | — | — | 11 mA | 11 mA | 9.6 mA | 9.6 mA | — |
| Low Power Mode | — | — | — | — | — | YES | YES | — |
| Number of DMA Channels | — | — | — | — | — | 7 | 7 | — |
| Number of External Interrupts | — | — | — | — | — | 16 | 16 | — |
| Number of Serial I/Os | — | — | — | — | — | 3 | 3 | — |
| Number of Timers | — | — | — | — | — | 6 | 6 | — |
| On Chip Data RAM Width | — | — | — | — | — | 32 | 32 | — |
| RAM (words) | — | — | — | — | — | 4096 | 8192 | — |
| Time-Min | — | — | — | — | — | SECONDS | SECONDS | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 32MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 32MHz, CMOS, PQCC48
Why Look for Alternatives?
Finding alternatives for STM32L151CBU6D 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 STM32L151CBU6D 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 STM32L151CBU6D?
Known equivalents for STM32L151CBU6D include STM32L151CBU6, STM32L152CBU6, STM32L151C6U6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L151CBU6D?
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 STM32L151CBU6D 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.