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.
Specification Comparison
| Parameter | ATMEGA328-AURSource | ATMEGA328-AU | MSP430G2211IN14 | MSP430G2231IN14 | MSP430G2231IPW14 | MSP430G2231IPW14R | ATMEGA328P-AUR | ATMEGA328P-ANR | ATMEGA328P-AN |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 32 | 32 | 14 | 14 | 14 | 14 | 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 ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 105.0°C |
| Price | $1.5980 | $1.7700 | $0.9796 | $1.0964 | $0.1551 | $0.6660 | — | $0.9570 | — |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TQFP-32 | TQFP-32 | — | — | — | — | TQFP-32 | TQFP-32 | TQFP-32 |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | — | — | — | 7 Weeks | 6 Weeks | 6 Weeks |
| YTEOL | 14 | 14 | 15 | 15 | 15 | 15 | 3 | 3 | 3 |
| Has ADC | YES | YES | NO | 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 | IT ALSO OPERATES 1.8V AT 4 MHZ |
| Bit Size | 8 | 8 | 16 | 16 | 16 | 16 | 8 | 8 | 8 |
| Boundary Scan | NO | NO | YES | YES | YES | YES | NO | NO | NO |
| CPU Family | AVR RISC | AVR RISC | MSP430 | MSP430 | MSP430 | MSP430 | 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 |
| DAC Channels | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| DMA Channels | NO | NO | NO | YES | YES | YES | NO | NO | NO |
| Format | 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 |
| JESD-30 Code | S-PQFP-G32 | S-PQFP-G32 | R-PDIP-T14 | R-PDIP-T14 | R-PDSO-G14 | R-PDSO-G14 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | e4 | e4 | e4 | e4 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Number of External Interrupts | 2 | 2 | — | — | — | — | 2 | 2 | 2 |
| Number of I/O Lines | 23 | 23 | 10 | 10 | 10 | 10 | 23 | 23 | 23 |
| Number of Serial I/Os | 1 | 1 | — | — | — | — | 1 | 1 | 1 |
| Number of Timers | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 16 | 8 | 8 | 8 | 8 | 16 | 16 | 16 |
| PWM Channels | 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 |
| Package Equivalence Code | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 | DIP14,.3 | DIP14,.3 | TSSOP14,.25 | TSSOP14,.25 | QFP32,.35SQ,32 | QFP32,.35SQ,32 | QFP32,.35SQ,32 |
| Package Shape | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 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 |
| RAM (bytes) | 2048 | 2048 | 128 | 128 | 128 | 128 | 2048 | 2048 | 2048 |
| RAM (words) | 2048 | 2048 | 0.125 | 0.125 | 0.125 | 0.125 | 2048 | 2048 | 2048 |
| ROM (words) | 16384 | 16384 | 2048 | 2048 | 2048 | 2048 | 16384 | 16384 | 16384 |
| ROM Programmability | 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 |
| Supply Current-Max | 12 mA | 12 mA | 0.37 mA | 0.37 mA | 0.37 mA | 0.37 mA | 2.7 mA | 2.7 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 |
| 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 |
| 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 |
| Surface Mount | YES | YES | NO | NO | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | 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) |
| Terminal Form | GULL WING | GULL WING | THROUGH-HOLE | THROUGH-HOLE | 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 | 0.8 mm | 0.8 mm | 0.8 mm |
| Terminal Position | QUAD | QUAD | DUAL | DUAL | DUAL | DUAL | 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 |
| ## ATMEGA328-AUR Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| ## ATMEGA328-AU Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 30 | 30 | — | — | — |
| ## MSP430G2211IN14 Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| Number of DMA Channels | — | — | — | 1 | 1 | 1 | — | — | — |
| ## MSP430G2231IPW14 Alternates Showing results | — | — | — | — | Image | — | — | — | — |
| ## MSP430G2231IPW14R Alternates Showing results | — | — | — | — | — | Image | — | — | — |
| ## ATMEGA328P-AUR Alternates Showing results | — | — | — | — | — | — | Image | — | — |
| ## ATMEGA328P-ANR 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.
Quick Links
Microchip Technology Inc 20 MHz, TQFP, Ind Temp, Green
suggested
suggested
suggested
suggested
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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Request Alternatives for ATMEGA328-AURFAQ
What is equivalent to ATMEGA328-AUR?
Known equivalents for ATMEGA328-AUR include ATMEGA328-AU, MSP430G2211IN14, MSP430G2231IN14. 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.