STM32F334R8T6Alternatives & Equivalent Parts
About STM32F334R8T6
STM32F334R8T6 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 | STM32F334R8T6Source | STM32F334R8T6TR | STM32F334C8T6 | IRM-20-24 | GRM188R71E473KA01D | TAJB475M016RNJ | STM32F302RDT6 | STM32F303R6T6 | STM32F358RCT6 | STM32F334R8T7TR | STM32F302RET6 | STM32F378RCT6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | Mean Well | Murata Electronics | AVX | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Other | Capacitor Chip Non-polarised | Capacitor Moulded Polarised | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 64 | 64 | 48 | 4 | 2 | 2 | 64 | 64 | 64 | 64 | 64 | 64 |
| Temperature Range | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C | -30.0°C ~ 70.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°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 | $3.5983 | $3.9344 | $3.2115 | $8.1000 | $0.0037 | $0.0866 | $5.0230 | $3.8605 | $4.6190 | $4.0032 | $4.6000 | $5.2667 |
| 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 | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Manufacturer Package Code | LQFP 64 10x10x1.4 | — | LQFP 48 7x7x1.4 | — | — | — | — | LQFP 64 10x10x1.4 | LQFP 64 10x10x1.4 | — | — | LQFP 64 10x10x1.4 |
| Factory Lead Time | 13 Weeks | 13 Weeks | 13 Weeks | 19 Weeks, 3 Days | — | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks | 13 Weeks |
| YTEOL | 9 | 9 | 9 | 7.4 | 0 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
| Has ADC | YES | YES | YES | — | — | — | YES | YES | YES | YES | YES | YES |
| Bit Size | 32 | 32 | 32 | — | — | — | 32 | 32 | 32 | 32 | 32 | 32 |
| Boundary Scan | YES | — | YES | — | — | — | YES | YES | — | YES | YES | — |
| Clock Frequency-Max | 32 MHz | 32 MHz | 32 MHz | — | — | — | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| DAC Channels | YES | — | YES | — | — | — | YES | YES | — | YES | YES | — |
| DMA Channels | YES | YES | YES | — | — | — | YES | YES | YES | YES | YES | YES |
| JESD-30 Code | S-PQFP-G64 | — | S-PQFP-G48 | R-XDMA-P4 | — | — | S-PQFP-G64 | S-PQFP-G64 | — | S-PQFP-G64 | S-PQFP-G64 | — |
| Number of I/O Lines | 51 | 51 | 37 | — | — | — | 51 | 51 | 51 | 51 | 51 | 51 |
| On Chip Program ROM Width | 8 | — | 8 | — | — | — | 8 | 8 | — | 8 | 8 | — |
| PWM Channels | YES | YES | YES | — | — | — | YES | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | UNSPECIFIED | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | SQUARE | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | MICROELECTRONIC ASSEMBLY | SMT | SMT | 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) | NOT SPECIFIED | — | NOT SPECIFIED | NOT SPECIFIED | — | — | 260 | NOT SPECIFIED | 260 | NOT SPECIFIED | 260 | — |
| RAM (bytes) | 12288 | — | 12288 | — | — | — | 65536 | 16384 | — | 16384 | 65536 | — |
| ROM (words) | 65536 | — | 65536 | — | — | — | 393216 | 32768 | — | 65536 | 524288 | — |
| ROM Programmability | FLASH | — | FLASH | — | — | — | FLASH | FLASH | — | FLASH | FLASH | — |
| Speed | 72 MHz | 72 MHz | 72 MHz | — | — | — | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.6 V | — | — | — | 3.6 V | 3.6 V | 1.95 V | 3.6 V | 3.6 V | 1.95 V |
| Supply Voltage-Min | 3.3 V | 1.8 V | 3.3 V | — | — | — | 3.3 V | 3.3 V | 1.65 V | 3 V | 3.3 V | 1.65 V |
| Supply Voltage-Nom | 3.3 V | 3 V | 3.3 V | — | — | — | 3.3 V | 3.3 V | 1.8 V | 3 V | 3.3 V | 1.8 V |
| Surface Mount | YES | YES | YES | NO | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | HYBRID | — | — | CMOS | CMOS | — | CMOS | CMOS | — |
| Temperature Grade | INDUSTRIAL | — | INDUSTRIAL | OTHER | — | — | INDUSTRIAL | — | — | — | INDUSTRIAL | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | PIN/PEG | — | — | 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 | 0.5 mm |
| Terminal Position | QUAD | QUAD | QUAD | DUAL | — | — | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | — | NOT SPECIFIED | NOT SPECIFIED | — | — | 30 | NOT SPECIFIED | 30 | NOT SPECIFIED | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## STM32F334R8T6 Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — |
| ## STM32F334C8T6 Alternates Showing results | — | — | Image | — | — | — | — | — | — | — | — | — |
| Additional Feature | — | — | — | ALSO OPERATE WITH 120-430VDC | — | ESR AND RIPPLE CURRENT IS MEASURED AT 100KHZ | — | — | — | — | — | — |
| Analog IC - Other Type | — | — | — | AC-DC REGULATED POWER SUPPLY MODULE | — | — | — | — | — | — | — | — |
| Approvals | — | — | — | CB, CE, EAC, EN, IEC, UL | — | — | — | — | — | — | — | — |
| Control Mode | — | — | — | VOLTAGE-MODE | — | — | — | — | — | — | — | — |
| Efficiency (Main Output) | — | — | — | 85% | — | — | — | — | — | — | — | — |
| Input Voltage-Max | — | — | — | 305 V | — | — | — | — | — | — | — | — |
| Input Voltage-Min | — | — | — | 85 V | — | — | — | — | — | — | — | — |
| Input Voltage-Nom | — | — | — | 115 V | — | — | — | — | — | — | — | — |
| Number of Functions | — | — | — | 1 | — | — | — | — | — | — | — | — |
| Number of Outputs | — | — | — | 1 | — | — | — | — | — | — | — | — |
| Output Current-Max | — | — | — | 0.9 A | — | — | — | — | — | — | — | — |
| Output Voltage-Max | — | — | — | 24.6 V | — | — | — | — | — | — | — | — |
| Output Voltage-Min | — | — | — | 23.4 V | — | — | — | — | — | — | — | — |
| Output Voltage-Nom | — | — | — | 24 V | — | — | — | — | — | — | — | — |
| Protections | — | — | — | OUTPUT OVER VOLTAGE; OVER LOAD | — | — | — | — | — | — | — | — |
| Ripple Voltage (Main Out) | — | — | — | 0.0707 Vrms | — | — | — | — | — | — | — | — |
| Total Power Output-Max | — | — | — | 21.6 W | — | — | — | — | — | — | — | — |
| Trim/Adjustable Output | — | — | — | NO | — | — | — | — | — | — | — | — |
| Pbfree Code | — | — | — | — | Yes | Yes | — | — | — | — | — | — |
| Reach Compliance Code | — | — | — | — | Compliant | Compliant | — | — | — | — | — | — |
| Capacitance | — | — | — | — | 0.047 µF | 4.7 µF | — | — | — | — | — | — |
| Capacitor Type | — | — | — | — | CERAMIC CAPACITOR | TANTALUM CAPACITOR | — | — | — | — | — | — |
| Dielectric Material | — | — | — | — | CERAMIC | TANTALUM (DRY/SOLID) | — | — | — | — | — | — |
| Height | — | — | — | — | 0.8 mm | 1.9 mm | — | — | — | — | — | — |
| JESD-609 Code | — | — | — | — | e3 | e3 | e3 | — | e3 | e3 | e3 | — |
| Mounting Feature | — | — | — | — | SURFACE MOUNT | SURFACE MOUNT | — | — | — | — | — | — |
| Multilayer | — | — | — | — | YES | — | — | — | — | — | — | — |
| Negative Tolerance | — | — | — | — | 10% | 20% | — | — | — | — | — | — |
| Packing Method | — | — | — | — | 180mm Reel W8P4 | TR, PLASTIC, 7 INCH | — | — | — | — | — | — |
| Positive Tolerance | — | — | — | — | 10% | 20% | — | — | — | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | — | 25 V | 16 V | — | — | — | — | — | — |
| Size Code | — | — | — | — | 1608M/0603 | 1210 | — | — | — | — | — | — |
| Temperature Characteristics Code | — | — | — | — | X7R | — | — | — | — | — | — | — |
| Temperature Coefficient | — | — | — | — | 15% ppm/°C | — | — | — | — | — | — | — |
| Terminal Finish | — | — | — | — | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) - immersion | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Shape | — | — | — | — | WRAPAROUND | J BEND | — | — | — | — | — | — |
| ESR | — | — | — | — | — | 3500 mΩ | — | — | — | — | — | — |
| Leakage Current | — | — | — | — | — | 0.0008 mA | — | — | — | — | — | — |
| Polarity | — | — | — | — | — | POLARIZED | — | — | — | — | — | — |
| Ripple Current | — | — | — | — | — | 62 mA | — | — | — | — | — | — |
| Tan Delta | — | — | — | — | — | 0.06 | — | — | — | — | — | — |
| CPU Family | — | — | — | — | — | — | CORTEX-M4F | CORTEX-M4 | — | CORTEX-M4 | CORTEX-M4F | — |
| Package Equivalence Code | — | — | — | — | — | — | QFP64,.47SQ,20 | QFP64,.47SQ,20 | — | QFP64,.47SQ,20 | QFP64,.47SQ,20 | — |
| Qualification Status | — | — | — | — | — | — | Not Qualified | — | — | — | Not Qualified | — |
| Supply Current-Max | — | — | — | — | — | — | 76.9 mA | 79.1 mA | — | 80 mA | 76.9 mA | — |
| Format | — | — | — | — | — | — | — | FLOATING-POINT | — | FLOATING POINT | — | — |
| Integrated Cache | — | — | — | — | — | — | — | NO | — | NO | — | — |
| Low Power Mode | — | — | — | — | — | — | — | YES | — | YES | — | — |
| Number of DMA Channels | — | — | — | — | — | — | — | 7 | — | 7 | — | — |
| Number of External Interrupts | — | — | — | — | — | — | — | 51 | — | 16 | — | — |
| Number of Serial I/Os | — | — | — | — | — | — | — | 3 | — | 3 | — | — |
| Number of Timers | — | — | — | — | — | — | — | 9 | — | 10 | — | — |
| On Chip Data RAM Width | — | — | — | — | — | — | — | 8 | — | 8 | — | — |
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 11 alternatives for STM32F334R8T6 — response within 24 hours.
Quick Links
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RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 72MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 72MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 72MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4F CPU, 72MHz, CMOS, PQFP64
Why Look for Alternatives?
Finding alternatives for STM32F334R8T6 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 STM32F334R8T6 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 STM32F334R8T6?
Known equivalents for STM32F334R8T6 include STM32F334R8T6TR, STM32F334C8T6, IRM-20-24. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of STM32F334R8T6?
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 STM32F334R8T6 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.