ATMEGA328P-PU vs ATMEGA328-PU Comparison
Detailed side-by-side comparison of ATMEGA328P-PU by Microchip Technology and ATMEGA328-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-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ Active
Specification Comparison
| Parameter | ATMEGA328P-PU | ATMEGA328-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Program Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | — |
| Typical Arduino Clock Frequency | 16 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O Lines | 23 | — |
| Working Registers | 32 general purpose | — |
| Instructions | 131 instructions, most single-cycle | — |
| Package | 28-PDIP | 28-PDIP |
| Mounting Type | Through Hole | — |
| In-System Programming | Yes (ISP, read-while-write) | — |
| ADC | 10-bit | — |
| Product Series | AVR ATmega | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Interface Peripherals | USART, SPI, TWI (I2C) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Product Type | — | 8-bit AVR microcontroller |
| Maximum Clock Speed | — | 20 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| EEPROM Memory | — | 1 KB |
| Architecture | — | AVR enhanced RISC |
| Package Type | — | Through-hole DIP |
| I/O Ports | — | 32 I/O ports |
| Supply Voltage | — | 4.5 V to 5.5 V |
| Program Memory Type | — | In-system programmable flash |
| Programming | — | In-system programming |
| Instruction Execution | — | Single-clock-cycle execution for powerful instructions |
| Mounting Style | — | Through-hole |
| Device Class | — | General-purpose 8-bit microcontroller |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |