ATMEGA32U4RC-MUAlternatives & Equivalent Parts
About ATMEGA32U4RC-MU
ATMEGA32U4RC-MU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead 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 | ATMEGA32U4RC-MUSource | STM32F401RET6JTR | ZLDO1117G50TA | STM32F030C6T6TR | ATMEGA32U4-MUR |
|---|---|---|---|---|---|
| Manufacturer | Microchip | STMicroelectronics | Diodes Inc. | STMicroelectronics | Microchip |
| Package Type | Quad Flat No-Lead | Quad Flat Packages | SOT223 (3-Pin) | Quad Flat Packages | Quad Flat No-Lead |
| Pin Count | 44 | 64 | 4 | 48 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.2500 | $5.2900 | $0.1514 | $0.9298 | $4.0100 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | — | Yes | — | Yes |
| Manufacturer Package Code | VQFN-44 | — | — | — | VQFN-44 |
| Factory Lead Time | 7 Weeks | — | — | 13 Weeks | 7 Weeks |
| YTEOL | 13 | 0 | 0 | 9 | 14 |
| Has ADC | YES | YES | — | YES | YES |
| Additional Feature | ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V | — | — | — | ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V |
| Bit Size | 8 | 32 | — | 32 | 8 |
| Boundary Scan | YES | — | — | YES | YES |
| CPU Family | AVR RISC | — | — | CORTEX-M0 | AVR RISC |
| Clock Frequency-Max | 16 MHz | 26 MHz | — | 32 MHz | 16 MHz |
| DAC Channels | NO | — | — | NO | YES |
| DMA Channels | NO | YES | — | YES | NO |
| Format | FIXED POINT | — | — | — | FIXED POINT |
| Integrated Cache | NO | — | — | — | NO |
| JESD-30 Code | S-PQCC-N44 | — | R-PDSO-G4 | S-PQFP-G48 | S-PQCC-N44 |
| JESD-609 Code | e3 | — | e3 | — | e3 |
| Low Power Mode | YES | — | — | — | YES |
| Number of External Interrupts | 5 | — | — | — | 3 |
| Number of I/O Lines | 26 | 50 | — | 39 | 26 |
| Number of Serial I/Os | 1 | — | — | — | 1 |
| Number of Timers | 4 | — | — | — | 3 |
| On Chip Program ROM Width | 8 | — | — | 8 | 8 |
| PWM Channels | YES | YES | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.28SQ,20 | — | SOT-223 | QFP48,.35SQ,20 | LCC44,.28SQ,20 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | — |
| RAM (bytes) | 2560 | — | — | 4096 | 2048 |
| ROM (words) | 32768 | — | — | 32768 | 32768 |
| ROM Programmability | FLASH | — | — | FLASH | FLASH |
| Speed | 16 MHz | 84 MHz | — | 48 MHz | 16 MHz |
| Supply Current-Max | 15 mA | — | — | 23.2 mA | 15 mA |
| Supply Voltage-Max | 5.5 V | 3.6 V | — | 3.6 V | 5.5 V |
| Supply Voltage-Min | 5 V | 1.7 V | — | 3.3 V | 4.5 V |
| Supply Voltage-Nom | 5 V | 3 V | — | 3.3 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | CMOS | — | BIPOLAR | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | — | MATTE TIN | — | Matte Tin (Sn) |
| Terminal Form | NO LEAD | GULL WING | GULL WING | GULL WING | NO LEAD |
| Terminal Pitch | 0.5 mm | 0.5 mm | 2.3 mm | 0.5 mm | 0.5 mm |
| Terminal Position | QUAD | QUAD | DUAL | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA32U4RC-MU Alternates Showing results | Image | — | — | — | — |
| Adjustability | — | — | FIXED | — | — |
| Dropout Voltage1-Max | — | — | 1.3 V | — | — |
| Dropout Voltage1-Nom | — | — | 1.11 V | — | — |
| Input Voltage Absolute-Max | — | — | 18 V | — | — |
| Input Voltage-Max | — | — | 18 V | — | — |
| Input Voltage-Min | — | — | 6.5 V | — | — |
| Line Regulation-Max | — | — | 0.055% | — | — |
| Load Regulation-Max | — | — | 0.02% | — | — |
| Number of Functions | — | — | 1 | — | — |
| Number of Outputs | — | — | 1 | — | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — |
| Output Current1-Max | — | — | 1 A | — | — |
| Output Voltage1-Max | — | — | 5.05 V | — | — |
| Output Voltage1-Min | — | — | 4.95 V | — | — |
| Output Voltage1-Nom | — | — | 5 V | — | — |
| Packing Method | — | — | TR | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | NOT SPECIFIED | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | NOT SPECIFIED | — |
| Voltage Tolerance-Max | — | — | 2% | — | — |
| ## STM32F030C6T6TR Alternates Showing results | — | — | — | Image | — |
| On Chip Data RAM Width | — | — | — | — | 8 |
| Screening Level | — | — | — | — | TS 16949 |
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 4 alternatives for ATMEGA32U4RC-MU — response within 24 hours.
Quick Links
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQCC44
Why Look for Alternatives?
Finding alternatives for ATMEGA32U4RC-MU 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 ATMEGA32U4RC-MU 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 ATMEGA32U4RC-MU?
Known equivalents for ATMEGA32U4RC-MU include STM32F401RET6JTR, ZLDO1117G50TA, STM32F030C6T6TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA32U4RC-MU?
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 ATMEGA32U4RC-MU 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.