ATXMEGA128A4U-AUAlternatives & Equivalent Parts
About ATXMEGA128A4U-AU
ATXMEGA128A4U-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 | ATXMEGA128A4U-AUSource | ATXMEGA128A4U-MH | ATSAML21E15B-AUT | 1792148 | BUX85G | ATXMEGA16A4U-AU | ATXMEGA32A4U-AU | ATXMEGA16A4U-AUR | ATXMEGA32A4U-ANR | ATXMEGA64A4U-AUR |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Phoenix Contact | ON Semiconductor | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat No-Lead | Quad Flat Packages | Other | Transistor Outline, Vertical | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 44 | 32 | 6 | 3 | 44 | 44 | 44 | 44 | 44 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | ~ 150.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $4.4900 | $4.5600 | $2.5600 | $13.4172 | $0.5450 | $3.1465 | $3.1200 | $2.8700 | $2.8900 | $3.8100 |
| 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 | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-44 | VQFN-44 | TQFP-32 | — | 221A | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 | TQFP-44 |
| Factory Lead Time | 6 Weeks | 7 Weeks | 9 Weeks | — | — | 9 Weeks | 9 Weeks | 9 Weeks | 9 Weeks | 4 Weeks |
| YTEOL | 14 | 14 | 18 | 0 | 0 | 14 | 14 | 14 | 14 | 13 |
| Has ADC | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Additional Feature | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | — | STANDARD: UL 94V-0, POLYAMIDE | LEADFORM OPTIONS ARE AVAILABLE | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ | IT IS ALSO OPERATES IN 12 MHZ AT 1.6 V MINIMUM | OPERATES AT 1.8 V MINIMUM SUPPLY AT 12 MHZ |
| Bit Size | 16 | 16 | 32 | — | — | 16 | 16 | 16 | 16 | 16 |
| Boundary Scan | NO | NO | NO | — | — | NO | NO | NO | NO | NO |
| CPU Family | AVR RISC | AVR RISC | CORTEX-M0+ | — | — | AVR RISC | AVR RISC | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 16 MHz | 16 MHz | 32 MHz | — | — | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| DAC Channels | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| DMA Channels | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | — | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | YES | — | — | NO | NO | NO | NO | NO |
| JESD-30 Code | S-PQFP-G44 | S-PQCC-N44 | S-PQFP-G32 | — | R-PSFM-T3 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G44 |
| JESD-609 Code | e3 | e3 | e3 | — | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Number of DMA Channels | 4 | 4 | 16 | — | — | 4 | 4 | 4 | 4 | 4 |
| Number of External Interrupts | 34 | 34 | 16 | — | — | 34 | 34 | 34 | 34 | 34 |
| Number of I/O Lines | 34 | 34 | 25 | — | — | 34 | 34 | 34 | 34 | 34 |
| Number of Serial I/Os | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 |
| Number of Timers | 5 | 5 | 6 | — | — | 5 | 5 | 5 | 5 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 8 | 8 | 8 | — | — | 8 | 8 | 8 | 8 | 8 |
| PWM Channels | YES | YES | YES | — | — | YES | YES | YES | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | LCC44,.28SQ,20 | TQFP32,.35SQ,32 | — | — | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE | SQUARE | SQUARE | — | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | FLATPACK, THIN PROFILE | — | FLANGE MOUNT | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | — | — | 260 | 260 | 260 | — | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| RAM (bytes) | 8192 | 8192 | 6144 | — | — | 2048 | 4096 | 2048 | — | 4096 |
| ROM (words) | 131072 | 131072 | 32768 | — | — | 16384 | 32768 | 8192 | — | 32768 |
| ROM Programmability | FLASH | FLASH | FLASH | — | — | FLASH | FLASH | FLASH | FLASH | FLASH |
| Speed | 32 MHz | 32 MHz | 48 MHz | — | — | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Current-Max | 12 mA | 12 mA | — | — | — | 12 mA | 12 mA | 12 mA | — | 12 mA |
| Supply Voltage-Max | 3.6 V | 3.6 V | 3.63 V | — | — | 3.6 V | 3.6 V | 3.6 V | 3.6 V | 3.6 V |
| Supply Voltage-Min | 3 V | 3 V | 1.62 V | — | — | 3 V | 3 V | 3 V | 2.7 V | 3 V |
| Supply Voltage-Nom | 3 V | 3 V | 3.3 V | — | — | 3 V | 3 V | 3 V | 3 V | 3 V |
| Surface Mount | YES | YES | YES | — | NO | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | — | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | NO LEAD | GULL WING | — | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.5 mm | 0.8 mm | — | — | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | — | SINGLE | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | 30 | — | — | 40 | 30 | 40 | — | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATXMEGA128A4U-AU Alternates Showing results | Image | — | — | — | — | — | — | — | — | — |
| ## ATXMEGA128A4U-MH Alternates Showing results | — | Image | — | — | — | — | — | — | — | — |
| Screening Level | — | — | TS 16949 | — | — | — | — | — | — | — |
| ## ATSAML21E15B-AUT Alternates Showing results | — | — | Image | — | — | — | — | — | — | — |
| Fastening Method | — | — | — | PUSH-IN | — | — | — | — | — | — |
| Mounting Type | — | — | — | BOARD | — | — | — | — | — | — |
| Number of Decks | — | — | — | 1 | — | — | — | — | — | — |
| Number of Rows | — | — | — | 1 | — | — | — | — | — | — |
| Number of Ways | — | — | — | 6 | — | — | — | — | — | — |
| Rated Current | — | — | — | 41 A | — | — | — | — | — | — |
| Rated Voltage | — | — | — | 1000 V | — | — | — | — | — | — |
| Safety Approval | — | — | — | CUL; EAC; UL; VDE | — | — | — | — | — | — |
| Terminal and Terminal Block Type | — | — | — | BARRIER STRIP TERMINAL BLOCK | — | — | — | — | — | — |
| Wire Cross Section | — | — | — | 6 mm2 | — | — | — | — | — | — |
| Wire Gauge | — | — | — | 10 AWG | — | — | — | — | — | — |
| Case Connection | — | — | — | — | COLLECTOR | — | — | — | — | — |
| Collector Current-Max (IC) | — | — | — | — | 2 A | — | — | — | — | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 450 V | — | — | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — | — | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 30 | — | — | — | — | — |
| JEDEC-95 Code | — | — | — | — | TO-220AB | — | — | — | — | — |
| Number of Elements | — | — | — | — | 1 | — | — | — | — | — |
| Polarity/Channel Type | — | — | — | — | NPN | — | — | — | — | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 40 W | — | — | — | — | — |
| Transistor Application | — | — | — | — | SWITCHING | — | — | — | — | — |
| Transistor Element Material | — | — | — | — | SILICON | — | — | — | — | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 4 MHz | — | — | — | — | — |
| ## ATXMEGA32A4U-AU Alternates Showing results | — | — | — | — | — | — | Image | — | — | — |
| ## ATXMEGA32A4U-ANR Alternates Showing results | — | — | — | — | — | — | — | — | Image | — |
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 9 alternatives for ATXMEGA128A4U-AU — response within 24 hours.
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RISC Microcontroller, 16-Bit, FLASH, AVR RISC CPU, 32MHz, CMOS, PQFP44
RISC Microcontroller, 16-Bit, FLASH, AVR RISC CPU, 32MHz, CMOS, PQFP44
Why Look for Alternatives?
Finding alternatives for ATXMEGA128A4U-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 ATXMEGA128A4U-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 ATXMEGA128A4U-AU?
Known equivalents for ATXMEGA128A4U-AU include ATXMEGA128A4U-MH, ATSAML21E15B-AUT, 1792148. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATXMEGA128A4U-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 ATXMEGA128A4U-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.