ATMEGA32U4-AURAlternatives & Equivalent Parts
About ATMEGA32U4-AUR
ATMEGA32U4-AUR is a Integrated Circuit component manufactured by Microchip. 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 | ATMEGA32U4-AURSource | LSM6DS33TR | CD74HC4053E | CL10B104KB8NNNC | 5-2172077-2 | 3BC-3-F | AD586JNZ | ATMEGA32U4RC-AUR | ATMEGA32U4RC-AU |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | STMicroelectronics | Texas Instruments | Samsung Electro-Mechanics | TE Connectivity | Bivar | Analog Devices | Microchip | Microchip |
| Package Type | Quad Flat Packages | Other | Dual-In-Line Packages | Capacitor Chip Non-polarised | Other | Other | Dual-In-Line Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 16 | 16 | 2 | 8 | 3 | 8 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 80.0°C | — | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.9830 | $3.0250 | $0.3933 | $0.0084 | $21.3548 | $0.1800 | $6.7000 | $3.9500 | $3.9200 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | NOT RECOMMENDED | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | — | Yes | Yes | — | — | No | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | — | — | — | — | — | N-8 | TQFP-44 | TQFP-44 |
| Factory Lead Time | 6 Weeks | — | — | 20 Weeks | 19 Weeks, 1 Day | — | — | 6 Weeks | 6 Weeks |
| YTEOL | 14 | 0 | 3.9 | 7 | 0 | 6 | 10 | 13 | 13 |
| Has ADC | YES | — | — | — | — | — | — | YES | YES |
| Additional Feature | ALSO OPERATES AT 8 MHZ WITH A MINIMUM SUPPLY OF 2.7V | — | Configuration : 2:1 SPDT | — | — | — | — | 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 | — | — | — | — | — | — | 8 | 8 |
| Boundary Scan | YES | — | — | — | — | — | — | YES | YES |
| CPU Family | AVR RISC | — | — | — | — | — | — | AVR RISC | AVR RISC |
| Clock Frequency-Max | 16 MHz | — | — | — | — | — | — | 16 MHz | 16 MHz |
| DAC Channels | YES | — | — | — | — | — | — | YES | NO |
| DMA Channels | NO | — | — | — | — | — | — | NO | NO |
| Format | FIXED POINT | — | — | — | — | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | — | — | — | — | — | — | NO | NO |
| JESD-30 Code | S-PQFP-G44 | S-PBGA-B16 | R-PDIP-T16 | — | — | — | R-PDIP-T8 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | e4 | e4 | e3 | — | — | e3 | e3 | e3 |
| Low Power Mode | YES | — | — | — | — | — | — | YES | YES |
| Number of External Interrupts | 3 | — | — | — | — | — | — | 3 | 5 |
| Number of I/O Lines | 26 | — | — | — | — | — | — | 26 | 26 |
| Number of Serial I/Os | 1 | — | — | — | — | — | — | 1 | 1 |
| Number of Timers | 3 | — | — | — | — | — | — | 3 | 4 |
| On Chip Data RAM Width | 8 | — | — | — | — | — | — | 8 | — |
| On Chip Program ROM Width | 8 | — | — | — | — | — | — | 8 | 8 |
| PWM Channels | YES | — | — | — | — | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | LGA16,1X1,20 | DIP16,.3 | — | — | — | DIP8,.3 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR PACKAGE | — | — | RECTANGULAR | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | IN-LINE | SMT | — | — | IN-LINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | — | — | — | — | — | 260 |
| RAM (bytes) | 2048 | — | — | — | — | — | — | 2048 | 2560 |
| ROM (words) | 32768 | — | — | — | — | — | — | 32768 | 32768 |
| ROM Programmability | FLASH | — | — | — | — | — | — | FLASH | FLASH |
| Screening Level | TS 16949 | — | — | — | — | — | — | TS 16949 | — |
| Speed | 16 MHz | — | — | — | — | — | — | 16 MHz | 16 MHz |
| Supply Current-Max | 15 mA | — | — | — | — | — | — | 15 mA | 15 mA |
| Supply Voltage-Max | 5.5 V | — | — | — | — | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 4.5 V | — | — | — | — | — | — | 4.5 V | 5 V |
| Supply Voltage-Nom | 5 V | — | — | — | — | — | — | 5 V | 5 V |
| Surface Mount | YES | YES | NO | YES | — | — | NO | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | — | — | BIPOLAR | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | MILITARY | — | — | — | COMMERCIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Gold (Ni/Au) - electrolytic | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - with Nickel (Ni) barrier | — | — | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | BUTT | THROUGH-HOLE | — | — | — | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.5 mm | 2.54 mm | — | — | — | 2.54 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | BOTTOM | DUAL | — | — | — | DUAL | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | — | — | — | — | — | — | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | — | — | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA32U4-AUR Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| Analog IC - Other Type | — | ANALOG CIRCUIT | SINGLE-ENDED MULTIPLEXER | — | — | — | THREE TERMINAL VOLTAGE REFERENCE | — | — |
| Number of Functions | — | 1 | 1 | — | — | — | 1 | — | — |
| Supply Voltage-Max (Vsup) | — | 3.6 V | 10 V | — | — | — | 36 V | — | — |
| Supply Voltage-Min (Vsup) | — | 1.71 V | 2 V | — | — | — | 10.8 V | — | — |
| Supply Voltage-Nom (Vsup) | — | 1.8 V | 4.5 V | — | — | — | 15 V | — | — |
| Bandwidth-Nom | — | — | 180 MHz | — | — | — | — | — | — |
| Input Voltage-Max | — | — | 6 V | — | — | — | — | — | — |
| Number of Channels | — | — | 3 | — | — | — | — | — | — |
| Off-state Isolation-Nom | — | — | 64 dB | — | — | — | — | — | — |
| On-state Resistance Match-Nom | — | — | 10 Ω | — | — | — | — | — | — |
| On-state Resistance-Max (Ron) | — | — | 270 Ω | — | — | — | — | — | — |
| Output | — | — | COMMON OUTPUT | — | — | — | — | — | — |
| Qualification Status | — | — | Not Qualified | — | — | — | Not Qualified | — | Not Qualified |
| Signal Current-Max | — | — | 0.025 A | — | — | — | — | — | — |
| Switch-off Time-Max | — | — | 315 ns | — | — | — | — | — | — |
| Switch-on Time-Max | — | — | 330 ns | — | — | — | — | — | — |
| Switching | — | — | BREAK-BEFORE-MAKE | — | — | — | — | — | — |
| ## CD74HC4053E Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | — | — | — | — | — |
| Capacitance | — | — | — | 0.1 µF | — | — | — | — | — |
| Capacitor Type | — | — | — | CERAMIC CAPACITOR | — | — | — | — | — |
| Dielectric Material | — | — | — | CERAMIC | — | — | — | — | — |
| Height | — | — | — | 0.9 mm | — | — | — | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — | — | — | — |
| Multilayer | — | — | — | Yes | — | — | — | — | — |
| Negative Tolerance | — | — | — | 10% | — | — | — | — | — |
| Packing Method | — | — | — | TR, CARDBOARD PAPER, 7 INCH | — | — | — | — | — |
| Positive Tolerance | — | — | — | 10% | — | — | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | 50 V | — | — | — | — | — |
| Size Code | — | — | — | 0603 | — | — | — | — | — |
| Temperature Characteristics Code | — | — | — | X7R | — | — | — | — | — |
| Temperature Coefficient | — | — | — | 15% ppm/°C | — | — | — | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — | — | — | — |
| Backshell Type | — | — | — | — | SOLID | — | — | — | — |
| Body/Shell Style | — | — | — | — | RECEPTACLE | — | — | — | — |
| Connector Type | — | — | — | — | CIRCULAR CONNECTOR | — | — | — | — |
| Contact Finish Mating | — | — | — | — | NOT SPECIFIED | — | — | — | — |
| Contact Finish Termination | — | — | — | — | NOT APPLICABLE | — | — | — | — |
| Contact Material | — | — | — | — | NOT SPECIFIED | — | — | — | — |
| Contact Style | — | — | — | — | RND PIN-SKT | — | — | — | — |
| DIN Conformance | — | — | — | — | NO | — | — | — | — |
| EMI Shielded | — | — | — | — | YES | — | — | — | — |
| Empty Shell | — | — | — | — | NO | — | — | — | — |
| Filter Feature | — | — | — | — | NO | — | — | — | — |
| IEC Conformance | — | — | — | — | NO | — | — | — | — |
| MIL Conformance | — | — | — | — | NO | — | — | — | — |
| Mains Connector Rating | — | — | — | — | 2A | — | — | — | — |
| Mixed Contacts | — | — | — | — | NO | — | — | — | — |
| Mounting Type | — | — | — | — | PANEL | — | — | — | — |
| Number Of Connectors | — | — | — | — | ONE | — | — | — | — |
| Number of Ports | — | — | — | — | 1 | — | — | — | — |
| Option | — | — | — | — | GENERAL PURPOSE | — | — | — | — |
| Panel Mount | — | — | — | — | YES | — | — | — | — |
| Polarization | — | — | — | — | A | — | — | — | — |
| Polarization Key | — | — | — | — | POLARIZED | — | — | — | — |
| Rated Current (Signal) | — | — | — | — | 2 A | — | — | — | — |
| Shell Finish | — | — | — | — | NICKEL | — | — | — | — |
| Shell Material | — | — | — | — | BRASS | — | — | — | — |
| Shell Size | — | — | — | — | 12 | — | — | — | — |
| Total Number of Contacts | — | — | — | — | 8 | — | — | — | — |
| Color@Wavelength | — | — | — | — | — | Green/Orange-Red | — | — | — |
| Forward Current-Max | — | — | — | — | — | 0.03 A | — | — | — |
| Forward Voltage-Max | — | — | — | — | — | 2.6 V | — | — | — |
| Lens Type | — | — | — | — | — | DIFFUSED WHITE | — | — | — |
| Optoelectronic Device Type | — | — | — | — | — | DUAL COLOR LED | — | — | — |
| Overall Height | — | — | — | — | — | 5.3 mm | — | — | — |
| Viewing Angle | — | — | — | — | — | 40 deg | — | — | — |
| Number of Outputs | — | — | — | — | — | — | 1 | — | — |
| Output Voltage-Max | — | — | — | — | — | — | 5.02 V | — | — |
| Output Voltage-Min | — | — | — | — | — | — | 4.98 V | — | — |
| Output Voltage-Nom | — | — | — | — | — | — | 5 V | — | — |
| Temp Coef of Voltage-Max | — | — | — | — | — | — | 25 ppm/°C | — | — |
| Trim/Adjustable Output | — | — | — | — | — | — | YES | — | — |
| Voltage Tolerance-Max | — | — | — | — | — | — | 0.4% | — | — |
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 8 alternatives for ATMEGA32U4-AUR — response within 24 hours.
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 16MHz, CMOS, PQFP44
Why Look for Alternatives?
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When evaluating ATMEGA32U4-AUR 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 ATMEGA32U4-AUR?
Known equivalents for ATMEGA32U4-AUR include LSM6DS33TR, CD74HC4053E, CL10B104KB8NNNC. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA32U4-AUR?
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 ATMEGA32U4-AUR 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.