ATMEGA324PB-AUAlternatives & Equivalent Parts
About ATMEGA324PB-AU
ATMEGA324PB-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 | ATMEGA324PB-AUSource | ATMEGA324PB-AN | ATMEGA328PB-AU | ATMEGA324PB-ANR | ATMEGA328PB-AUR | ATMEGA328PB-AN | ATMEGA3208-AU | ATMEGA328PB-ANR |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages | Quad Flat Packages |
| Pin Count | 44 | 44 | 32 | 44 | 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 ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C |
| Price | $1.6200 | $1.5200 | $1.3500 | $1.8400 | $1.2400 | $1.2000 | $1.2000 | $1.2800 |
| 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 | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | — | Yes | — | Yes | Yes | — | Yes |
| Manufacturer Package Code | TQFP-44 | TQFP-44 | TQFP-32 | TQFP-44 | TQFP-32 | TQFP-32 | TQFP-32 | TQFP-32 |
| Factory Lead Time | 9 Weeks | 9 Weeks | 2 Weeks | 9 Weeks | 7 Weeks | 4 Weeks | 7 Weeks | 9 Weeks |
| YTEOL | 19.82 | 18 | 14 | 18 | 18 | 18 | 18 | 18 |
| Has ADC | YES | YES | YES | YES | YES | YES | YES | YES |
| Additional Feature | OPERATES WITH 1.8V @ 4MHZ | OPERATES WITH 1.8V @ 4MHZ | ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLY | OPERATES WITH 1.8V @ 4MHZ | ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLY | ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLY | ALSO OPERATES AT 1.8V MINIMUM SUPPLY AT 5MHZ | ALSO OPERATES AT 1.8V AT 4MHZ AND 2.7V AT 10 MHZ MINIMUM SUPPLY |
| Bit Size | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Boundary Scan | YES | YES | NO | YES | NO | NO | NO | NO |
| CPU Family | AVR RISC | 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 | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| DAC Channels | NO | NO | NO | NO | NO | NO | NO | NO |
| DMA Channels | NO | NO | NO | NO | NO | NO | NO | NO |
| Format | 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 |
| JESD-30 Code | S-PQFP-G44 | S-PQFP-G44 | S-PQFP-G32 | S-PQFP-G44 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 | S-PQFP-G32 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Low Power Mode | YES | YES | YES | YES | YES | YES | YES | YES |
| Number of External Interrupts | 3 | 3 | — | 3 | — | — | 7 | — |
| Number of I/O Lines | 39 | 39 | 27 | 39 | 27 | 27 | 27 | 27 |
| Number of Serial I/Os | 3 | 3 | 2 | 3 | 2 | 2 | 3 | 2 |
| Number of Timers | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 5 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 16 | 16 | 16 | 16 | 16 | 8 | 16 |
| PWM Channels | YES | YES | YES | YES | YES | YES | NO | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 | TQFP44,.39SQ,31 | TQFP32,.35SQ,32 | TQFP44,.39SQ,31 | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 | TQFP32,.35SQ,32 |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE | FLATPACK, THIN PROFILE |
| RAM (bytes) | 2048 | 2048 | 2048 | 2048 | 2048 | 2048 | 4096 | 2048 |
| RAM (words) | 1024 | 1024 | — | 1024 | — | — | — | — |
| ROM (words) | 16384 | 16384 | 16384 | 16384 | 16384 | 16384 | 32768 | 16384 |
| ROM Programmability | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH | FLASH |
| Screening Level | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | TS 16949 | — | TS 16949 |
| Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Current-Max | 8 mA | 8 mA | 9 mA | 8 mA | 9 mA | 10 mA | 200 mA | 10 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 | 5.5 V |
| Supply Voltage-Min | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 5 V | 4.5 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | 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) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | 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 | 0.8 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD | QUAD |
| Time-Min | SECONDS | SECONDS | — | SECONDS | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA324PB-AN Alternates Showing results | — | Image | — | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | — | 260 | 260 | 260 | 260 |
| ## ATMEGA328PB-AU Alternates Showing results | — | — | Image | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | 40 | 40 | — | — |
| Reach Compliance Code | — | — | — | — | — | Compliant | — | — |
| ## ATMEGA328PB-AN Alternates Showing results | — | — | — | — | — | Image | — | — |
| Date Of Intro | — | — | — | — | — | — | 2019-08-07 | — |
| ## ATMEGA3208-AU Alternates Showing results | — | — | — | — | — | — | Image | — |
| ## ATMEGA328PB-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 7 alternatives for ATMEGA324PB-AU — response within 24 hours.
Quick Links
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP32
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQFP44
Why Look for Alternatives?
Finding alternatives for ATMEGA324PB-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 ATMEGA324PB-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 ATMEGA324PB-AU?
Known equivalents for ATMEGA324PB-AU include ATMEGA324PB-AN, ATMEGA328PB-AU, ATMEGA324PB-ANR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA324PB-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 ATMEGA324PB-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.