ATMEGA328P-AURAlternatives & Equivalent Parts
About ATMEGA328P-AUR
ATMEGA328P-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 | ATMEGA328P-AURSource | ATMEGA328P-AU | ATMEGA328P-ANR | ATMEGA328P-AN | TIP31CG | ATMEGA2560-16CU | ATMEGA328-AUR | ATMEGA328-AU |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | ON Semiconductor | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Transistor Outline, Vertical | BGA | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 32 | 32 | 32 | 32 | 3 | 100 | 32 | 32 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.3000 | $1.9300 | $0.9570 | $2.0200 | $0.2160 | — | $1.5980 | $1.7700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | NOT RECOMMENDED | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-32 | TQFP-32 | TQFP-32 | TQFP-32 | 221A | — | TQFP-32 | TQFP-32 |
| Factory Lead Time | 7 Weeks | 6 Weeks | 6 Weeks | 6 Weeks | — | 28 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 3 | 3 | 3 | 3 | 4 | 0 | 14 | 14 |
| Has ADC | YES | YES | YES | YES | — | YES | YES | YES |
| Additional Feature | IT ALSO OPERATES 1.8V AT 4 MHZ | ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLY | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ | — | OPERATES AT 2.7V MINIMUM SUPPLY AT 8 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ |
| Bit Size | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 |
| Boundary Scan | NO | NO | NO | NO | — | YES | NO | NO |
| CPU Family | AVR RISC | AVR RISC | AVR RISC | AVR RISC | — | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | 20 MHz | 20 MHz | 20 MHz | — | 16 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | NO | NO | — | NO | NO | NO |
| DMA Channels | NO | NO | NO | NO | — | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | — | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | NO | NO | — | NO | NO | NO |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | R-PSFM-T3 | S-PBGA-B100 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e1 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | — | YES | YES | YES |
| Number of External Interrupts | 2 | 2 | 2 | 2 | — | 8 | 2 | 2 |
| Number of I/O Lines | 23 | 23 | 23 | 23 | — | 86 | 23 | 23 |
| Number of Serial I/Os | 1 | 1 | 1 | 1 | — | 4 | 1 | 1 |
| Number of Timers | 3 | 3 | 3 | 3 | — | 6 | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 16 | 16 | 16 | — | 8 | 16 | 16 |
| PWM Channels | 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 |
| Package Equivalence Code | QFP32,.35SQ,32 | TQFP32,.35SQ,32 | QFP32,.35SQ,32 | QFP32,.35SQ,32 | — | BGA100,10X10,32 | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | RECTANGULAR | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLANGE MOUNT | GRID ARRAY, THIN PROFILE, FINE PITCH | 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 | Not Qualified |
| RAM (bytes) | 2048 | 2048 | 2048 | 2048 | — | 8192 | 2048 | 2048 |
| RAM (words) | 2048 | 2048 | 2048 | 2048 | — | — | 2048 | 2048 |
| ROM (words) | 16384 | 16384 | 16384 | 16384 | — | 262144 | 16384 | 16384 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | — | FLASH | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | — | 16 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 2.7 mA | 9 mA | 2.7 mA | 2.7 mA | — | 14 mA | 12 mA | 12 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | 5 V | 5 V | — | 5 V | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V | — | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | NO | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Tin/Silver/Copper (Sn/Ag/Cu) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | BALL | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm | — | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | SINGLE | BOTTOM | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA328P-AUR Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## ATMEGA328P-AU Alternates Showing results | — | Image | — | — | — | — | — | — |
| ## ATMEGA328P-ANR Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## ATMEGA328P-AN Alternates Showing results | — | — | — | Image | — | — | — | — |
| Case Connection | — | — | — | — | COLLECTOR | — | — | — |
| Collector Current-Max (IC) | — | — | — | — | 3 A | — | — | — |
| Collector-Emitter Voltage-Max | — | — | — | — | 100 V | — | — | — |
| Configuration | — | — | — | — | SINGLE | — | — | — |
| DC Current Gain-Min (hFE) | — | — | — | — | 10 | — | — | — |
| JEDEC-95 Code | — | — | — | — | TO-220AB | — | — | — |
| Number of Elements | — | — | — | — | 1 | — | — | — |
| Polarity/Channel Type | — | — | — | — | NPN | — | — | — |
| Power Dissipation-Max (Abs) | — | — | — | — | 30 W | — | — | — |
| Transistor Application | — | — | — | — | SWITCHING | — | — | — |
| Transistor Element Material | — | — | — | — | SILICON | — | — | — |
| Transition Frequency-Nom (fT) | — | — | — | — | 3 MHz | — | — | — |
| Address Bus Width | — | — | — | — | — | 16 | — | — |
| External Data Bus Width | — | — | — | — | — | 8 | — | — |
| ## ATMEGA2560-16CU Alternates Showing results | — | — | — | — | — | Image | — | — |
| ## ATMEGA328-AUR Alternates Showing results | — | — | — | — | — | — | Image | — |
| ## ATMEGA328-AU 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 7 alternatives for ATMEGA328P-AUR — response within 24 hours.
Quick Links
Microchip Technology Inc 20 MHz, TQFP, Ind Temp Green
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
Why Look for Alternatives?
Finding alternatives for ATMEGA328P-AUR 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 ATMEGA328P-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 ATMEGA328P-AUR?
Known equivalents for ATMEGA328P-AUR include ATMEGA328P-AU, ATMEGA328P-ANR, ATMEGA328P-AN. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA328P-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 ATMEGA328P-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.