STM32F091RBT6Alternatives & Equivalent Parts
About STM32F091RBT6
STM32F091RBT6 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 | STM32F091RBT6Source | STM32F031K6T6 | STM32F051C4T6 | STM32F051C6U6 | STM32F051R4T6 | STM32F051R8H6 | STM32F071CBU6 | STM32F071RBT6 | STM32F091RCT6 | STM32F091RCT7 | STM32F091RCT6J | STM32F091RCT6TR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | BGA | Quad Flat No-Lead | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 64 | 32 | 48 | 49 | 64 | 64 | 49 | 64 | 64 | 64 | 64 | 64 |
| 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 | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | — | -40.0°C ~ 85.0°C |
| Price | $2.9051 | $1.4100 | $1.3131 | $1.8976 | $2.0195 | $1.6826 | $2.6700 | $2.0420 | $3.0080 | $3.3633 | $4.2687 | $3.1807 |
| Stock | In Stock | In Stock | In Stock | In 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 | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Factory Lead Time | 13 Weeks | 13 Weeks | 13 Weeks | 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 | 9 | 9 | 0 | 9 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Additional Feature | INTERNAL 3-CH ADC IS ALSO AVAILABLE | — | — | — | — | — | — | — | INTERNAL 3-CH ADC IS ALSO AVAILABLE | INTERNAL 3-CH ADC IS ALSO AVAILABLE | — | — |
| Bit Size | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | YES | NO | NO | NO | NO | NO | YES | YES | YES | YES | — | NO |
| CPU Family | CORTEX-M0 | — | 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 | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC Channels | YES | NO | YES | YES | YES | YES | YES | YES | YES | YES | — | YES |
| DMA Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G64 | S-PQFP-G32 | S-PQFP-G48 | S-XQCC-N48 | S-PQFP-G64 | S-PBGA-B64 | S-XQCC-N48 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | — | S-PQFP-G64 |
| JESD-609 Code | e3 | e3 | e3 | e4 | e3 | — | e4 | — | e3 | e3 | — | e3 |
| Number of DMA Channels | 12 | — | 5 | 5 | 5 | 5 | — | — | 12 | 12 | — | 12 |
| Number of I/O Lines | 52 | 25 | 39 | 39 | 55 | 55 | 37 | 51 | 52 | 52 | 52 | 52 |
| Number of Timers | 10 | — | — | — | — | — | — | — | 10 | 10 | — | 10 |
| On Chip Program ROM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | — | 8 |
| PWM Channels | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,20 | — | QFP48,.35SQ,20 | — | QFP64,.47SQ,20 | — | — | — | QFP64,.47SQ,20 | QFP64,.47SQ,20 | — | QFP64,.47SQ,20 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | 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 | 260 | 260 | NOT SPECIFIED | 260 | NOT SPECIFIED | 260 | 260 | — | 260 |
| Qualification Status | Not Qualified | — | Not Qualified | — | Not Qualified | — | — | — | Not Qualified | Not Qualified | — | Not Qualified |
| RAM (bytes) | 32768 | — | 8192 | 8192 | 8192 | 8192 | 16384 | 16384 | 32768 | 32768 | — | 32768 |
| ROM (words) | 131072 | 32768 | 16384 | 32768 | 16384 | 65536 | 131072 | 131072 | 262144 | 262144 | — | 262144 |
| ROM Programmability | FLASH | FLASH | FLASH | 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 | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Supply Current-Max | 30.3 mA | — | 23.2 mA | 23.2 mA | 23.2 mA | 23.2 mA | — | — | 30.3 mA | 30.6 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 | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 3.3 V | 2 V | 3.3 V | 3.3 V | 3.3 V | 2 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 2 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 | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | — | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | NO LEAD | GULL WING | BALL | NO LEAD | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.5 mm | 0.8 mm | 0.5 mm | 0.5 mm | 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 | BOTTOM | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F031K6T6 Alternates Showing results | — | Image | — | — | — | — | — | — | — | — | — | — |
| Format | — | — | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | — | — | — | — | — | FIXED POINT |
| Low Power Mode | — | — | YES | YES | YES | YES | — | — | — | — | — | YES |
| Number of External Interrupts | — | — | 5 | 5 | 5 | 5 | — | — | — | — | — | 16 |
| On Chip Data RAM Width | — | — | 8 | 8 | 8 | 8 | — | — | — | — | — | 8 |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | — | — | NOT SPECIFIED | — | NOT SPECIFIED | 30 | — | — | 30 |
| ## STM32F051C4T6 Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — | — |
| ## STM32F051C6U6 Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — |
| ## STM32F051R4T6 Alternates Showing results | — | — | — | — | Image | — | — | — | — | — | — | — |
| ## STM32F051R8H6 Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — | — |
| ## STM32F071CBU6 Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — | — |
| Reach Compliance Code | — | — | — | — | — | — | — | Compliant | — | — | — | — |
| ## STM32F071RBT6 Alternates Showing results | — | — | — | — | — | — | — | Image | — | — | — | — |
| ## STM32F091RCT6 Alternates Showing results | — | — | — | — | — | — | — | — | Image | — | — | — |
| Manufacturer Package Code | — | — | — | — | — | — | — | — | — | — | LQFP 64 10x10x1.4 | — |
| ## STM32F091RCT6J Alternates Showing results | — | — | — | — | — | — | — | — | — | — | Image | — |
| Integrated Cache | — | — | — | — | — | — | — | — | — | — | — | NO |
| RAM (words) | — | — | — | — | — | — | — | — | — | — | — | 327680 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 48MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for STM32F091RBT6 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 STM32F091RBT6 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 STM32F091RBT6?
Known equivalents for STM32F091RBT6 include STM32F031K6T6, STM32F051C4T6, STM32F051C6U6. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F091RBT6?
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 STM32F091RBT6 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.