STM32L151RBT7ATRAlternatives & Equivalent Parts
About STM32L151RBT7ATR
STM32L151RBT7ATR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Quad Flat Packages 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 | STM32L151RBT7ATRSource | STM32L151RBT6ATR | STM32L151RBT7A | STM32L151R8T6ATR |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 64 | 64 | 64 | 64 |
| Temperature Range | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C |
| Price | $4.1184 | $3.3896 | $4.0771 | $3.3600 |
| 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 | YES | YES | YES | YES |
| Clock Frequency-Max | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC Channels | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 |
| JESD-609 Code | e3 | e3 | e3 | — |
| Number of I/O Lines | 51 | 51 | 51 | 51 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | NOT SPECIFIED |
| ROM (words) | 131072 | 131072 | 131072 | 65536 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH |
| Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 1.8 V | 3 V | 1.8 V | 3 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 | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| CPU Family | — | CORTEX-M3 | — | CORTEX-M3 |
| Integrated Cache | — | NO | — | NO |
| 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 | — | 8 | — | 8 |
| Package Equivalence Code | — | QFP64,.47SQ,20 | — | QFP64,.47SQ,20 |
| RAM (bytes) | — | 32768 | — | 32768 |
| RAM (words) | — | 32768 | — | 32768 |
| Supply Current-Max | — | 100 mA | — | 100 mA |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | NOT SPECIFIED |
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 3 alternatives for STM32L151RBT7ATR — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 32MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for STM32L151RBT7ATR 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 STM32L151RBT7ATR 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 STM32L151RBT7ATR?
Known equivalents for STM32L151RBT7ATR include STM32L151RBT6ATR, STM32L151RBT7A, STM32L151R8T6ATR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32L151RBT7ATR?
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 STM32L151RBT7ATR 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.