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