ATMEGA328-AURAlternatives & Equivalent Parts
About ATMEGA328-AUR
ATMEGA328-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 | ATMEGA328-AURSource | ATMEGA328-AU | ERJ-1TYJ2R0U | MSP430G2211IN14 | MSP430G2231IN14 | MSP430G2231IPW14 | MSP430G2231IPW14R | MCP4922-E/ST | ATMEGA328P-AUR | ATMEGA328P-ANR | ATMEGA328P-AU | ATMEGA328P-AN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Panasonic | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Other | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 32 | 32 | 2 | 14 | 14 | 14 | 14 | 14 | 32 | 32 | 32 | 32 |
| Temperature Range | -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 | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C |
| Price | $1.5980 | $1.7700 | $0.0515 | $0.9796 | $1.0964 | $0.1551 | $0.6660 | $2.4800 | $2.3000 | $0.9570 | $1.9300 | $2.0200 |
| Stock | In Stock | In 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 | ACTIVE | ACTIVE | ACTIVE | ACTIVE | NOT RECOMMENDED | NOT RECOMMENDED | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||||
| Pbfree Code | Yes | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-32 | TQFP-32 | — | — | — | — | — | TSSOP-14 | TQFP-32 | TQFP-32 | TQFP-32 | TQFP-32 |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | — | — | — | — | 7 Weeks | 7 Weeks | 6 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 14 | 14 | — | 15 | 15 | 15 | 15 | 8 | 3 | 3 | 3 | 3 |
| Has ADC | YES | YES | — | NO | YES | YES | YES | — | YES | YES | YES | YES |
| Additional Feature | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ | — | ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 6 MHZ AND 2.7 V MINIMUM SUPPLY AT 12 MHZ | ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 6 MHZ AND 2.7 V MINIMUM SUPPLY AT 12 MHZ | ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 6 MHZ AND 2.7 V MINIMUM SUPPLY AT 12 MHZ | ALSO OPERATES 1.8 V MINIMUM SUPPLY AT 6 MHZ AND 2.7 V MINIMUM SUPPLY AT 12 MHZ | — | IT ALSO OPERATES 1.8V AT 4 MHZ | 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 |
| Bit Size | 8 | 8 | — | 16 | 16 | 16 | 16 | — | 8 | 8 | 8 | 8 |
| Boundary Scan | NO | NO | — | YES | YES | YES | YES | — | NO | NO | NO | NO |
| CPU Family | AVR RISC | AVR RISC | — | MSP430 | MSP430 | MSP430 | MSP430 | — | AVR RISC | AVR RISC | AVR RISC | AVR RISC |
| Clock Frequency-Max | 20 MHz | 20 MHz | — | 0.032 MHz | 0.032 MHz | 0.032 MHz | 0.032 MHz | — | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | — | NO | NO | NO | NO | — | NO | NO | NO | NO |
| DMA Channels | NO | NO | — | NO | YES | YES | YES | — | NO | NO | NO | NO |
| Format | FIXED POINT | FIXED POINT | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT | — | FIXED POINT | FIXED POINT | FIXED POINT | FIXED POINT |
| Integrated Cache | NO | NO | — | NO | NO | NO | NO | — | NO | NO | NO | NO |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G32 | — | R-PDIP-T14 | R-PDIP-T14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | — | e4 | e4 | e4 | e4 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | — | YES | YES | YES | YES | — | YES | YES | YES | YES |
| Number of External Interrupts | 2 | 2 | — | — | — | — | — | — | 2 | 2 | 2 | 2 |
| Number of I/O Lines | 23 | 23 | — | 10 | 10 | 10 | 10 | — | 23 | 23 | 23 | 23 |
| Number of Serial I/Os | 1 | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 1 |
| Number of Timers | 3 | 3 | — | 2 | 2 | 2 | 2 | — | 3 | 3 | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | — | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 16 | — | 8 | 8 | 8 | 8 | — | 16 | 16 | 16 | 16 |
| PWM Channels | YES | YES | — | 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 | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 | — | DIP14,.3 | DIP14,.3 | TSSOP14,.25 | TSSOP14,.25 | TSSOP14,.25 | QFP32,.35SQ,32 | QFP32,.35SQ,32 | TQFP32,.35SQ,32 | QFP32,.35SQ,32 |
| Package Shape | SQUARE | SQUARE | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | — | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| RAM (bytes) | 2048 | 2048 | — | 128 | 128 | 128 | 128 | — | 2048 | 2048 | 2048 | 2048 |
| RAM (words) | 2048 | 2048 | — | 0.125 | 0.125 | 0.125 | 0.125 | — | 2048 | 2048 | 2048 | 2048 |
| ROM (words) | 16384 | 16384 | — | 2048 | 2048 | 2048 | 2048 | — | 16384 | 16384 | 16384 | 16384 |
| ROM Programmability | FLASH | FLASH | — | FLASH | FLASH | FLASH | FLASH | — | FLASH | FLASH | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | — | 16 MHz | 16 MHz | 16 MHz | 16 MHz | — | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 12 mA | 12 mA | — | 0.37 mA | 0.37 mA | 0.37 mA | 0.37 mA | 0.7 mA | 2.7 mA | 2.7 mA | 9 mA | 2.7 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | 3.6 V | 3.6 V | 3.6 V | 3.6 V | — | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | — | 2.2 V | 2.2 V | 2.2 V | 2.2 V | — | 5 V | 5 V | 5 V | 5 V |
| Supply Voltage-Nom | 5 V | 5 V | — | 2.2 V | 2.2 V | 2.2 V | 2.2 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | — | NO | NO | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.8 mm | 0.8 mm | — | 2.54 mm | 2.54 mm | 0.65 mm | 0.65 mm | 0.65 mm | 0.8 mm | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | — | DUAL | DUAL | DUAL | DUAL | DUAL | QUAD | QUAD | QUAD | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA328-AUR Alternates Showing results | Image | — | — | — | — | — | — | — | — | — | — | — |
| ## ATMEGA328-AU Alternates Showing results | — | Image | — | — | — | — | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 30 | 30 | 30 | 30 | 40 | — | — | — | — |
| ## MSP430G2211IN14 Alternates Showing results | — | — | — | Image | — | — | — | — | — | — | — | — |
| Number of DMA Channels | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — |
| ## MSP430G2231IPW14 Alternates Showing results | — | — | — | — | — | Image | — | — | — | — | — | — |
| ## MSP430G2231IPW14R Alternates Showing results | — | — | — | — | — | — | Image | — | — | — | — | — |
| Analog Output Voltage-Max | — | — | — | — | — | — | — | 5.5 V | — | — | — | — |
| Converter Type | — | — | — | — | — | — | — | D/A CONVERTER | — | — | — | — |
| Input Bit Code | — | — | — | — | — | — | — | BINARY | — | — | — | — |
| Input Format | — | — | — | — | — | — | — | SERIAL | — | — | — | — |
| Linearity Error-Max (EL) | — | — | — | — | — | — | — | 0.2929% | — | — | — | — |
| Number of Bits | — | — | — | — | — | — | — | 12 | — | — | — | — |
| Number of Functions | — | — | — | — | — | — | — | 1 | — | — | — | — |
| Settling Time-Nom (tstl) | — | — | — | — | — | — | — | 4.5 µs | — | — | — | — |
| ## MCP4922-E/ST Alternates Showing results | — | — | — | — | — | — | — | Image | — | — | — | — |
| ## ATMEGA328P-AUR Alternates Showing results | — | — | — | — | — | — | — | — | Image | — | — | — |
| ## ATMEGA328P-ANR Alternates Showing results | — | — | — | — | — | — | — | — | — | Image | — | — |
| ## ATMEGA328P-AU Alternates Showing results | — | — | — | — | — | — | — | — | — | — | Image | — |
| ## ATMEGA328P-AN 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 11 alternatives for ATMEGA328-AUR — response within 24 hours.
Quick Links
Microchip Technology Inc 20 MHz, TQFP, Ind Temp, Green
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suggested
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RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
Why Look for Alternatives?
Finding alternatives for ATMEGA328-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 ATMEGA328-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 ATMEGA328-AUR?
Known equivalents for ATMEGA328-AUR include ATMEGA328-AU, ERJ-1TYJ2R0U, MSP430G2211IN14. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA328-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 ATMEGA328-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.