STM32L451REY6TRAlternatives & Equivalent Parts
About STM32L451REY6TR
STM32L451REY6TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a BGA 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 | STM32L451REY6TRSource | STM32L452VEI6TR | STM32L462VEI6TR | STM32L452VEI3TR | STM32L451VEI6 | STM32L451VCI6 | STM32L431VCI3TR |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | BGA | BGA | BGA | BGA | BGA | BGA | BGA |
| Pin Count | 64 | 100 | 100 | 100 | 100 | 100 | 100 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $3.1558 | $3.9141 | $4.7200 | $4.6503 | $3.7754 | $3.5001 | $3.9000 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| Factory Lead Time | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks |
| YTEOL | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | YES | YES | YES | YES | YES | YES | YES |
| CPU Family | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 |
| Clock Frequency-Max | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DAC Channels | YES | YES | YES | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES |
| Format | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | — |
| Integrated Cache | YES | NO | YES | YES | NO | NO | — |
| JESD-30 Code | R-PBGA-B100 | S-PBGA-B100 | S-PBGA-B100 | S-PBGA-B100 | S-PBGA-B100 | S-PBGA-B100 | S-PBGA-B100 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | — |
| Number of DMA Channels | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Number of External Interrupts | 16 | 16 | 16 | 16 | 16 | 16 | — |
| Number of I/O Lines | 83 | 83 | 83 | 83 | 83 | 83 | 83 |
| Number of Timers | 12 | 9 | 12 | 8 | 12 | 12 | 9 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | — |
| On Chip Program ROM Width | 8 | 8 | 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 | BGA64,8X8,16 | BGA100,12X12,20 | BGA100,12X12,20 | BGA100,12X12,20 | BGA100,12X12,20 | BGA100,12X12,20 | — |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | 260 | NOT SPECIFIED | NOT SPECIFIED |
| RAM (bytes) | 163840 | 163840 | 163840 | 163840 | 163840 | 163840 | 65536 |
| RAM (words) | 163840 | — | 163840 | 163840 | — | — | — |
| ROM (words) | 524288 | 524288 | 524288 | 524288 | 524288 | 262144 | 262144 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 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 |
| Supply Voltage-Min | 1.8 V | 1.71 V | 1.8 V | 1.71 V | 3 V | 3 V | 1.71 V |
| Supply Voltage-Nom | 1.8 V | 3 V | 1.8 V | 1.8 V | 3 V | 3 V | 1.8 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | AUTOMOTIVE | — | — | AUTOMOTIVE |
| Terminal Form | BALL | BALL | BALL | BALL | BALL | BALL | BALL |
| Terminal Pitch | 0.4 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | BOTTOM | BOTTOM | BOTTOM | BOTTOM | BOTTOM | BOTTOM | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Number of Serial I/Os | — | 6 | — | — | 5 | 5 | — |
| Supply Current-Max | — | 10.5 mA | — | — | 10.5 mA | 10.5 mA | — |
| JESD-609 Code | — | — | — | — | e2 | — | — |
| Terminal Finish | — | — | — | — | Tin/Silver (Sn/Ag) | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 6 alternatives for STM32L451REY6TR — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PBGA100
Why Look for Alternatives?
Finding alternatives for STM32L451REY6TR 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 STM32L451REY6TR 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 STM32L451REY6TR?
Known equivalents for STM32L451REY6TR include STM32L452VEI6TR, STM32L462VEI6TR, STM32L452VEI3TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L451REY6TR?
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 STM32L451REY6TR 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.