ATMEGA32U2-AUAlternatives & Equivalent Parts
About ATMEGA32U2-AU
ATMEGA32U2-AU 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 | ATMEGA32U2-AUSource | ATMEGA32A-PU | LB2518T151K | LQH32MN151J23L |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | TAIYO YUDEN | Murata Electronics |
| Package Type | Quad Flat Packages | Dual-In-Line Packages | Inductors Chip | Other |
| Pin Count | 32 | 40 | 2 | 4 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | — |
| Price | $2.4043 | $2.7300 | $0.0431 | $0.1310 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-32 | PDIP-40 | — | — |
| Factory Lead Time | 7 Weeks | 6 Weeks | 7 Weeks | 10 Weeks |
| YTEOL | 14 | 14 | 5 | 7 |
| Has ADC | NO | YES | — | — |
| Additional Feature | ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ | OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHz | — | — |
| Bit Size | 8 | 8 | — | — |
| Boundary Scan | NO | YES | — | — |
| CPU Family | AVR RISC | AVR RISC | — | — |
| Clock Frequency-Max | 16 MHz | 16 MHz | — | — |
| DAC Channels | NO | NO | — | — |
| DMA Channels | NO | NO | — | — |
| Format | FIXED POINT | FIXED POINT | — | — |
| Integrated Cache | NO | NO | — | — |
| JESD-30 Code | S-PQFP-G32 | R-PDIP-T40 | — | — |
| JESD-609 Code | e3 | e3 | e3 | e2 |
| Low Power Mode | YES | YES | — | — |
| Number of External Interrupts | 13 | 3 | — | — |
| Number of I/O Lines | 22 | 32 | — | — |
| Number of Serial I/Os | 1 | 1 | — | — |
| Number of Timers | 2 | 3 | — | — |
| On Chip Data RAM Width | 8 | 8 | — | — |
| On Chip Program ROM Width | 8 | 16 | — | — |
| PWM Channels | YES | YES | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — |
| Package Equivalence Code | TQFP32,.35SQ,32 | DIP40,.6 | — | — |
| Package Shape | SQUARE | RECTANGULAR | — | — |
| Package Style | FLATPACK, THIN PROFILE | IN-LINE | SMT | SMT |
| Peak Reflow Temperature (Cel) | 260 | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — |
| RAM (bytes) | 1024 | 2048 | — | — |
| ROM (words) | 32768 | 16384 | — | — |
| ROM Programmability | FLASH | FLASH | — | — |
| Speed | 16 MHz | 16 MHz | — | — |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | — |
| Supply Voltage-Min | 5 V | 4.5 V | — | — |
| Supply Voltage-Nom | 5 V | 5 V | — | — |
| Surface Mount | YES | NO | YES | Reflow soldering, |
| Technology | CMOS | CMOS | — | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Tin (Sn) - with Nickel (Ni) barrier | Tin/Copper (Sn/Cu) |
| Terminal Form | GULL WING | THROUGH-HOLE | — | — |
| Terminal Pitch | 0.8 mm | 2.54 mm | — | — |
| Terminal Position | QUAD | DUAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — |
| ## ATMEGA32U2-AU Alternates Showing results | Image | — | — | — |
| Screening Level | — | TS 16949 | — | — |
| Supply Current-Max | — | 15 mA | — | — |
| ## ATMEGA32A-PU Alternates Showing results | — | Image | — | — |
| Case/Size Code | — | — | 1007 | 3225/1210 |
| Construction | — | — | Rectangular | Unshielded |
| Core Material | — | — | FERRITE | FERRITE |
| DC Resistance | — | — | 4.16 Ω | 9.3 Ω |
| Inductance-Nom (L) | — | — | 150 µH | 150 µH |
| Inductor Application | — | — | POWER INDUCTOR | RF INDUCTOR |
| Inductor Type | — | — | GENERAL PURPOSE INDUCTOR | GENERAL PURPOSE INDUCTOR |
| Number of Functions | — | — | 1 | 1 |
| Package Height | — | — | 1.8 mm | 2 mm |
| Package Length | — | — | 2.5 mm | 3.2 mm |
| Package Width | — | — | 1.8 mm | 2.5 mm |
| Packing Method | — | — | TR, EMBOSSED, 7 INCH | TR, EMBOSSED, 7 INCH |
| Rated Current-Max | — | — | 0.045 A | 0.07 A |
| Self Resonance Frequency | — | — | 7 MHz | 7 MHz |
| Shape/Size Description | — | — | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE |
| Shielded | — | — | NO | NO |
| Special Feature | — | — | DCR IS MEASURED AT 30% TOLERANCE | Q MEASURED AT 796 KHZ |
| Terminal Placement | — | — | DUAL ENDED | DUAL ENDED |
| Terminal Shape | — | — | WRAPAROUND | WRAPAROUND |
| Test Frequency | — | — | 0.796 MHz | 0.796 MHz |
| Tolerance | — | — | 10% | 5% |
| Quality Factor-Min (at L-nom) | — | — | — | 40 |
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 3 alternatives for ATMEGA32U2-AU — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for ATMEGA32U2-AU 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 ATMEGA32U2-AU 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 ATMEGA32U2-AU?
Known equivalents for ATMEGA32U2-AU include ATMEGA32A-PU, LB2518T151K, LQH32MN151J23L. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA32U2-AU?
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 ATMEGA32U2-AU 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.