STM32G491RET3Alternatives & Equivalent Parts
About STM32G491RET3
STM32G491RET3 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 | STM32G491RET3Source | STM32G473RET3 | STM32G474RET3 | STM32G484RET3 | STM32G431RBT3 | STM32G474RBT3 | STM32G491RET6TR | STM32G431R8T6 | STM32G473RET6 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 |
| Temperature Range | — | — | -40.0°C ~ 125.0°C | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.2452 | $4.6197 | $4.7611 | $5.4330 | $3.0323 | $3.8208 | $3.9675 | $2.6440 | $4.0753 |
| 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 |
| Electrical Parameters | |||||||||
| Factory Lead Time | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks |
| YTEOL | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| Reach Compliance Code | — | Compliant | — | — | — | — | — | Compliant | — |
| Has ADC | — | YES | YES | YES | YES | YES | YES | YES | YES |
| Bit Size | — | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Clock Frequency-Max | — | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| DMA Channels | — | YES | YES | YES | YES | YES | YES | YES | YES |
| JESD-609 Code | — | e3 | e3 | e3 | — | e3 | e3 | e3 | — |
| Number of I/O Lines | — | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 52 |
| PWM Channels | — | YES | YES | YES | YES | YES | YES | YES | YES |
| Package Shape | — | SQUARE | SQUARE | SQUARE | SQUARE | 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 | 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 | 260 | NOT SPECIFIED |
| Speed | — | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 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 | — | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.71 V | 1.8 V | 3 V | 1.71 V |
| Supply Voltage-Nom | — | 3 V | 3 V | 3 V | 3 V | 3 V | 1.8 V | 3 V | 3 V |
| Surface Mount | — | YES | YES | YES | YES | YES | YES | YES | YES |
| Terminal Finish | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Tin (Sn) - immersion | Matte Tin (Sn) | Tin (Sn) - immersion | Tin (Sn) - immersion | — |
| Terminal Form | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| 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 |
| Boundary Scan | — | — | YES | — | YES | YES | YES | YES | YES |
| CPU Family | — | — | CORTEX-M4 | — | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 | CORTEX-M4 |
| DAC Channels | — | — | YES | — | YES | YES | YES | YES | YES |
| Format | — | — | FLOATING POINT | — | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT | FLOATING POINT |
| Integrated Cache | — | — | YES | — | YES | YES | YES | YES | NO |
| JESD-30 Code | — | — | S-PQFP-G64 | — | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 | S-PQFP-G64 |
| Low Power Mode | — | — | YES | — | YES | YES | YES | YES | YES |
| Number of DMA Channels | — | — | 16 | — | 12 | 16 | 16 | 12 | 16 |
| Number of External Interrupts | — | — | 16 | — | 16 | 16 | 16 | 16 | 16 |
| Number of Serial I/Os | — | — | 9 | — | 6 | 9 | 6 | 6 | 9 |
| Number of Timers | — | — | 15 | — | 12 | 15 | 13 | 12 | 14 |
| On Chip Data RAM Width | — | — | 8 | — | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | — | — | 8 | — | 8 | 8 | 8 | 8 | 8 |
| Package Body Material | — | — | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | — | QFP64,.47SQ,20 | — | QFP64,.47SQ,20 | QFP64,.47SQ,20 | QFP64,.47SQ,20 | QFP64,.47SQ,20 | QFP64,.47SQ,20 |
| RAM (bytes) | — | — | 131072 | — | 32768 | 131072 | 114688 | 32768 | 131072 |
| ROM (words) | — | — | 524288 | — | 131072 | 131072 | 524288 | 65536 | 524288 |
| ROM Programmability | — | — | FLASH | — | FLASH | FLASH | FLASH | FLASH | FLASH |
| Supply Current-Max | — | — | 42 mA | — | 34 mA | 42 mA | 33 mA | 29 mA | 34 mA |
| Technology | — | — | CMOS | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Date Of Intro | — | — | — | 2019-12-16 | 2020-03-31 | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | — | — | — | NOT SPECIFIED |
| ## STM32G473RET6 Alternates Showing results | — | — | — | — | — | — | — | — | Image |
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 8 alternatives for STM32G491RET3 — response within 24 hours.
Quick Links
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for STM32G491RET3 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 STM32G491RET3 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 STM32G491RET3?
Known equivalents for STM32G491RET3 include STM32G473RET3, STM32G474RET3, STM32G484RET3. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32G491RET3?
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 STM32G491RET3 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.