ATMEGA328PB-MUAlternatives & Equivalent Parts
About ATMEGA328PB-MU
ATMEGA328PB-MU is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat No-Lead 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 | ATMEGA328PB-MUSource | ATMEGA328PB-MUR | ATMEGA328PB-MN | ATMEGA328PB-MNR | MD0101K6-G | PIC32MM0256GPM064-I/MR | PIC32MM0256GPM036-I/M2 | PIC18F452-E/ML | PIC18F452-I/L |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Quad Flat No-Lead | Small Outline No-lead | Quad Flat No-Lead | Quad Flat No-Lead | Plastic Leaded Chip Carrier | Plastic Leaded Chip Carrier |
| Pin Count | 32 | 32 | 32 | 32 | 18 | 64 | 36 | 44 | 44 |
| 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 | -40.0°C ~ 125.0°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 |
| Price | $1.1000 | $0.6430 | $1.1300 | $1.2000 | $4.4400 | $2.1800 | $2.0600 | $9.4300 | $8.3400 |
| 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 |
| Electrical Parameters | |||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | — | — | — | Yes | Yes |
| Manufacturer Package Code | VQFN-32 | VQFN-32 | VQFN-32 | VQFN-32 | VDFN-18 | QFN-64 | SQFN-36 | QFN-44 | PLCC-44 |
| Factory Lead Time | 10 Weeks | 10 Weeks | 10 Weeks | 9 Weeks | 6 Weeks | 36 Weeks | 38 Weeks | 5 Weeks | 7 Weeks |
| YTEOL | 18 | 18 | 18 | 18 | 13 | 18 | 18 | 3 | 3 |
| Has ADC | YES | YES | YES | YES | — | YES | YES | YES | YES |
| Additional Feature | 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 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 MIN 2V SUPPLY | ALSO OPERATES AT MIN 2V SUPPLY |
| Bit Size | 8 | 8 | 8 | 8 | — | 32 | 32 | 8 | 8 |
| Boundary Scan | NO | NO | NO | NO | — | YES | YES | NO | NO |
| CPU Family | AVR RISC | AVR RISC | AVR RISC | AVR RISC | — | PIC32 | PIC32 | PIC18 | PIC18 |
| Clock Frequency-Max | 20 MHz | 20 MHz | 20 MHz | 20 MHz | — | 48 MHz | 48 MHz | 40 MHz | 40 MHz |
| DAC Channels | NO | NO | NO | NO | — | YES | YES | NO | NO |
| DMA Channels | NO | NO | NO | NO | — | YES | YES | 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-PQCC-N32 | S-PQCC-N32 | S-PQCC-N32 | S-PQCC-N32 | S-PDSO-N18 | S-PQCC-N64 | S-PQCC-N36 | S-PQCC-N44 | S-PQCC-J44 |
| Low Power Mode | YES | YES | YES | YES | — | YES | YES | NO | NO |
| Number of I/O Lines | 27 | 27 | 27 | 27 | — | 52 | 27 | 34 | 34 |
| Number of Serial I/Os | 2 | 2 | 2 | 2 | — | 3 | 3 | 1 | 1 |
| Number of Timers | 5 | 5 | 5 | 5 | — | 21 | 21 | 4 | 4 |
| On Chip Data RAM Width | 8 | 8 | 8 | 8 | — | 8 | 8 | 8 | 8 |
| On Chip Program ROM Width | 16 | 16 | 16 | 16 | — | 8 | 8 | 16 | 16 |
| 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 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | LCC32,.2SQ,20 | SOLCC18,.20SQ,20 | LCC64,.35SQ,20 | LCC36,.24SQ,20 | LCC44,.31SQ,25 | LDCC44,.7SQ |
| Package Shape | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER |
| RAM (bytes) | 2048 | 2048 | 2048 | 2048 | — | 32768 | 32768 | — | 1536 |
| RAM (words) | 2048 | 2048 | — | — | — | — | — | — | — |
| ROM (words) | 16384 | 16384 | 16384 | 16384 | — | 262144 | 262144 | — | 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 | AEC-Q100; TS 16949 | TS 16949 |
| Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | — | 25 MHz | 25 MHz | 40 MHz | 40 MHz |
| Supply Current-Max | 9 mA | 9 mA | 10 mA | 10 mA | — | 300 mA | 300 mA | 25 mA | 25 mA |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — | 3.6 V | 3.6 V | 5.5 V | 5.5 V |
| Supply Voltage-Min | 4.5 V | 4.5 V | 4.5 V | 4.5 V | — | 2 V | 2 V | 4.2 V | 4.2 V |
| Supply Voltage-Nom | 5 V | 5 V | 5 V | 5 V | — | 3.3 V | 3.3 V | 5 V | 5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS | — | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL |
| Terminal Form | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | NO LEAD | J BEND |
| Terminal Pitch | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.5 mm | 0.65 mm | 1.27 mm |
| Terminal Position | QUAD | QUAD | QUAD | QUAD | 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 |
| ## ATMEGA328PB-MU Alternates Showing results | Image | — | — | — | — | — | — | — | — |
| ## ATMEGA328PB-MUR Alternates Showing results | — | Image | — | — | — | — | — | — | — |
| JESD-609 Code | — | — | e3 | e3 | e4 | e3 | e3 | e3 | e3 |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | — | — | — | — | — |
| Terminal Finish | — | — | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| ## ATMEGA328PB-MN Alternates Showing results | — | — | Image | — | — | — | — | — | — |
| ## ATMEGA328PB-MNR Alternates Showing results | — | — | — | Image | — | — | — | — | — |
| Number of Functions | — | — | — | — | 1 | — | — | — | — |
| Qualification Status | — | — | — | — | Not Qualified | — | — | — | Not Qualified |
| Telecom IC Type | — | — | — | — | TELECOM CIRCUIT | — | — | — | — |
| Number of DMA Channels | — | — | — | — | — | 4 | 4 | — | — |
| Number of External Interrupts | — | — | — | — | — | 4 | 4 | 3 | 3 |
| ## PIC32MM0256GPM064-I/MR Alternates Showing results | — | — | — | — | — | Image | — | — | — |
| ## PIC32MM0256GPM036-I/M2 Alternates Showing results | — | — | — | — | — | — | Image | — | — |
| ## PIC18F452-E/ML Alternates Showing results | — | — | — | — | — | — | — | Image | — |
| ## PIC18F452-I/L 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 8 alternatives for ATMEGA328PB-MU — response within 24 hours.
Quick Links
Microchip Technology Inc 20MHZ, QFN/MFL, IND TEMP, GREEN 5 V T&R
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQCC32
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PQCC32
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Why Look for Alternatives?
Finding alternatives for ATMEGA328PB-MU 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 ATMEGA328PB-MU 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 ATMEGA328PB-MU?
Known equivalents for ATMEGA328PB-MU include ATMEGA328PB-MUR, ATMEGA328PB-MN, ATMEGA328PB-MNR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA328PB-MU?
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 ATMEGA328PB-MU 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.