ATMEGA328P-PN vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA328P-PN by Microchip Technology and ATMEGA328P-PU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA328P-PN - 8-bit AVR MCU 20MHz 32KB Flash PDIP-28 | Microchip
ATMEGA328P-PN ✓ ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328P-PN | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Max CPU Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Supply Voltage Range | 2.5 V to 5.5 V | 4.5 V to 5.5 V |
| GPIO Count | 23 | — |
| ADC Resolution | 10-bit, 6 channels | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Operating Temperature | -40C to +105C | [DATA_NEEDED: operating temperature range] |
| Package | 28-PDIP | 28-PDIP |
| Mounting Type | Through-Hole | Through Hole |
| Programming Interfaces | ISP, debugWIRE | — |
| Low Power Mode Current | 0.1 uA (power-save) | — |
| RoHS Status | Green (RoHS compliant) | [DATA_NEEDED: RoHS status] |
| Data Sheets Page Count | 662 pages | — |
| Flash Program Memory | — | 32 KB (16K x 16) |
| Maximum Clock Frequency | — | 20 MHz |
| Typical Arduino Clock Frequency | — | 16 MHz |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 general purpose |
| Instructions | — | 131 instructions, most single-cycle |
| In-System Programming | — | Yes (ISP, read-while-write) |
| ADC | — | 10-bit |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |