ATMEGA328P-PNAlternatives & Equivalent Parts
About ATMEGA328P-PN
ATMEGA328P-PN is a Integrated Circuit component manufactured by Microchip. It comes in a Dual-In-Line 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-PNSource | ATMEGA328P-PU | 828548-2 | 828549-2 | VNC2-32Q1C-REEL | NSL-19M51 | ATMEGA328-PU | ATMEGA328P-20PU |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | TE Connectivity | TE Connectivity | FTDI Chip | Silonex | Microchip | Microchip |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Header, Shrouded - Straight PTH Box | Header, Shrouded - Right Angle PTH Box | Quad Flat No-Lead | Other | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 28 | 28 | 2 | 2 | 33 | 2 | 28 | 28 |
| Temperature Range | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | — | — | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.2000 | $2.1400 | $0.0340 | $0.1102 | $3.7875 | $0.5740 | $2.0110 | — |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | NOT RECOMMENDED | END OF LIFE | OBSOLETE | ACTIVE | TRANSFERRED | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | — | — | — | — | Yes | — |
| Manufacturer Package Code | SPDIP-28 | SPDIP-28 | — | — | — | — | SPDIP-28 | — |
| Factory Lead Time | 6 Weeks | 6 Weeks | — | — | — | — | 6 Weeks | — |
| YTEOL | 3 | 3 | 0 | 0 | — | — | 14 | 0 |
| Has ADC | YES | YES | — | — | — | — | YES | YES |
| Additional Feature | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 1.8V AT 4 MHZ | — | — | — | — | IT ALSO OPERATES 1.8V AT 4 MHZ | IT ALSO OPERATES 2.7V AT 10 MHZ |
| Bit Size | 8 | 8 | — | — | — | — | 8 | 8 |
| Boundary Scan | NO | NO | — | — | — | — | NO | — |
| CPU Family | AVR RISC | AVR RISC | — | — | — | — | AVR RISC | — |
| Clock Frequency-Max | 20 MHz | 20 MHz | — | — | — | — | 20 MHz | 20 MHz |
| DAC Channels | YES | YES | — | — | — | — | YES | NO |
| DMA Channels | NO | NO | — | — | — | — | NO | NO |
| Format | FIXED POINT | FIXED POINT | — | — | — | — | FIXED POINT | — |
| Integrated Cache | NO | NO | — | — | — | — | NO | — |
| JESD-30 Code | R-PDIP-T28 | R-PDIP-T28 | — | — | — | — | R-PDIP-T28 | R-PDIP-T28 |
| JESD-609 Code | e3 | e3 | — | — | — | — | e3 | — |
| Low Power Mode | YES | YES | — | — | — | — | YES | — |
| Number of External Interrupts | 2 | 2 | — | — | — | — | 2 | — |
| Number of I/O Lines | 23 | 23 | — | — | — | — | 23 | 23 |
| Number of Serial I/Os | 1 | 1 | — | — | — | — | 1 | — |
| Number of Timers | 3 | 3 | — | — | — | — | 3 | — |
| On Chip Data RAM Width | 8 | 8 | — | — | — | — | 8 | — |
| On Chip Program ROM Width | 16 | 16 | — | — | — | — | 16 | — |
| PWM Channels | YES | YES | — | — | — | — | YES | YES |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.3 | DIP28,.3 | — | — | — | — | DIP28,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | — | — | — | — | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | — | — | — | — | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | — | — | — | — | Not Qualified | Not Qualified |
| RAM (bytes) | 2048 | 2048 | — | — | — | — | 2048 | — |
| RAM (words) | 2048 | 2048 | — | — | — | — | 2048 | — |
| ROM (words) | 16384 | 16384 | — | — | — | — | 16384 | — |
| ROM Programmability | FLASH | FLASH | — | — | — | — | FLASH | FLASH |
| Speed | 20 MHz | 20 MHz | — | — | — | — | 20 MHz | 20 MHz |
| Supply Current-Max | 2.7 mA | 2.7 mA | — | — | — | — | 12 mA | — |
| Supply Voltage-Max | 5.5 V | 5.5 V | — | — | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 5 V | 5 V | — | — | — | — | 5 V | 4.5 V |
| Supply Voltage-Nom | 5 V | 5 V | — | — | — | — | 5 V | 5 V |
| Surface Mount | NO | NO | — | — | — | — | NO | NO |
| Technology | CMOS | CMOS | — | — | — | — | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | — | — | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | — | — | — | Matte Tin (Sn) | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | — | — | — | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | — | — | — | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | — | — | — | — | DUAL | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATMEGA328P-PN Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## ATMEGA328P-PU Alternates Showing results | — | Image | — | — | — | — | — | — |
| Body Depth | — | — | 0.34 inch | — | — | — | — | — |
| Connector Type | — | — | BOARD CONNECTOR | BOARD CONNECTOR | — | — | — | — |
| Contact Finish Mating | — | — | NOT APPLICABLE | NOT SPECIFIED | — | — | — | — |
| Contact Gender | — | — | MALE | — | — | — | — | — |
| Contact Material | — | — | NOT APPLICABLE | NOT SPECIFIED | — | — | — | — |
| Contact Pattern | — | — | RECTANGULAR | — | — | — | — | — |
| DIN Conformance | — | — | NO | — | — | — | — | — |
| EMI Shielded | — | — | NO | — | — | — | — | — |
| Empty Shell | — | — | NO | — | — | — | — | — |
| Filter Feature | — | — | NO | — | — | — | — | — |
| IEC Conformance | — | — | NO | — | — | — | — | — |
| Insulation Resistance | — | — | 1000000 Ω | — | — | — | — | — |
| Insulator Color | — | — | NATURAL | — | — | — | — | — |
| Insulator Material | — | — | GLASS FILLED POLYBUTYLENE TEREPHTHALATE | — | — | — | — | — |
| MIL Conformance | — | — | NO | — | — | — | — | — |
| Mains Connector Rating | — | — | 115/230VAC | — | — | — | — | — |
| Mixed Contacts | — | — | NO | — | — | — | — | — |
| Mounting Style | — | — | STRAIGHT | — | — | — | — | — |
| Mounting Type | — | — | BOARD | — | — | — | — | — |
| Number Of Connectors | — | — | ONE | — | — | — | — | — |
| Number of Ports | — | — | 1 | — | — | — | — | — |
| Number of Rows Loaded | — | — | 1 | — | — | — | — | — |
| Option | — | — | GENERAL PURPOSE | — | — | — | — | — |
| Panel Mount | — | — | NO | — | — | — | — | — |
| Plating Thickness | — | — | 51.18u inch | — | — | — | — | — |
| Polarization Key | — | — | POLARIZED | — | — | — | — | — |
| Reference Standard | — | — | UL | — | — | — | — | — |
| Terminal Length | — | — | 0.114 inch | — | — | — | — | — |
| Termination Type | — | — | SOLDER | — | — | — | — | — |
| Total Number of Contacts | — | — | 2 | — | — | — | — | — |
| UL Flammability Code | — | — | 94V-0 | — | — | — | — | — |
| Optoelectronic Device Type | — | — | — | — | — | OPTOELECTRONIC DEVICE | — | — |
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-PN — response within 24 hours.
Quick Links
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP28
suggested
RISC Microcontroller, 8-Bit, FLASH, AVR RISC CPU, 20MHz, CMOS, PDIP28
Why Look for Alternatives?
Finding alternatives for ATMEGA328P-PN 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-PN 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-PN?
Known equivalents for ATMEGA328P-PN include ATMEGA328P-PU, 828548-2, 828549-2. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ATMEGA328P-PN?
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-PN 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.