ATMEGA324PA-PU vs ATMEGA323-8PI Comparison
Detailed side-by-side comparison of ATMEGA324PA-PU 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
ATMEGA324PA-PU - 32KB AVR MCU 20MHz PDIP-40 | Microchip
ATMEGA324PA-PU ✓ ActiveMicrochip Technology
ATMEGA323-8PI - 8-bit AVR MCU 32KB Flash 8MHz DIP-40 | Microchip
ATMEGA323-8PI ✗ End of LifeSpecification Comparison
| Parameter | ATMEGA324PA-PU | ATMEGA323-8PI |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.55 | $4.48 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB ISP Flash (read-while-write) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Maximum Clock Speed | 20 MHz (up to 20 MIPS) | — |
| Supply Voltage | 4.5 V to 5.5 V (per listed specifications) | — |
| General Purpose I/O | 32 I/O lines (4 x 8-bit ports) | — |
| Working Registers | 32 x 8-bit | — |
| Instructions | 131 powerful instructions, most single-cycle | 131 instructions, most single-cycle |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | — |
| Serial Interfaces | 2 x USART, 1 x Two-Wire (I2C-compatible), 1 x SPI | USART, SPI, TWI (I2C-compatible) |
| ADC | 8-channel 10-bit ADC | 8-channel, 10-bit |
| Real-Time Counter | Yes, with separate oscillator | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Package | 40-pin PDIP (DIP-40), through-hole | 40-PDIP (0.600 in, 15.24mm) |
| Mounting Type | Through Hole | Through Hole |
| Low Power Technology | picoPower | — |
| Life Cycle Stage | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 8 MHz |
| Flash Memory Size | — | 32KB (16K x 16) |
| SRAM Size | — | 2KB |
| EEPROM Size | — | 1KB |
| 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) |
| Timers | — | 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 |