ATMEGA328P-PN vs ATMEGA323-8PI Comparison
Detailed side-by-side comparison of ATMEGA328P-PN by Microchip Technology and ATMEGA323-8PI 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 β ActiveMicrochip Technology
ATMEGA323-8PI - 8-bit AVR MCU 32KB Flash 8MHz DIP-40 | Microchip
ATMEGA323-8PI β End of LifeSpecification Comparison
| Parameter | ATMEGA328P-PN | ATMEGA323-8PI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Eol |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.75 | $4.48 |
| Core Architecture | AVR 8-bit RISC | β |
| Max CPU Frequency | 20 MHz | β |
| Flash Memory | 32 KB (16K x 16) | β |
| SRAM | 2 KB | β |
| EEPROM | 1 KB | β |
| Supply Voltage Range | 2.5 V to 5.5 V | β |
| GPIO Count | 23 | β |
| ADC Resolution | 10-bit, 6 channels | β |
| Timers | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| Operating Temperature | -40C to +105C | -40C to +85C (Industrial, I suffix) |
| Package | 28-PDIP | 40-PDIP (0.600 in, 15.24mm) |
| Mounting Type | Through-Hole | Through Hole |
| Programming Interfaces | ISP, debugWIRE | β |
| Low Power Mode Current | 0.1 uA (power-save) | β |
| RoHS Status | Green (RoHS compliant) | β |
| Data Sheets Page Count | 662 pages | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 8 MHz |
| Flash Memory Size | β | 32KB (16K x 16) |
| SRAM Size | β | 2KB |
| EEPROM Size | β | 1KB |
| Instructions | β | 131 instructions, most single-cycle |
| Max Throughput | β | 8 MIPS at 8 MHz (16 MIPS at 16 MHz architecture max) |
| Supply Voltage (VCC) | β | 4.5 V to 5.5 V |
| ADC | β | 8-channel, 10-bit |
| Serial Interfaces | β | USART, SPI, TWI (I2C-compatible) |
| Debug Interface | β | JTAG (on-chip debug and boundary scan) |
| In-System Programming | β | Yes, via SPI and boot section Flash |