ATMEGA324PA-AUR vs ATMEGA324PB-AN Comparison
Detailed side-by-side comparison of ATMEGA324PA-AUR by Microchip Technology and ATMEGA324PB-AN 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-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-AUR ✓ ActiveMicrochip Technology
ATMEGA324PB-AN - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-AUR | ATMEGA324PB-AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.98 | $1.82 |
| Core Processor | AVR 8-bit RISC | AVR |
| Program Memory Size | 32 KB Flash (16K x 16) | 32 KB (16K x 16) |
| EEPROM Size | 1 KB | 1 KB |
| SRAM Size | 2 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | — |
| CPU Throughput | Up to 20 MIPS at 20 MHz | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | 32 |
| ADC Channels / Resolution | 8-channel, 10-bit | — |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | — |
| Timer/Counters | 2x 8-bit, 1x 16-bit | 5 |
| Package | 44-pin TQFP (10x10 mm, 0.80 mm pitch) | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Instruction Set | 131 powerful instructions, most single-clock cycle | — |
| Debug Interface | JTAG (IEEE 1149.1 boundary scan) | — |
| Packaging | Tape & Reel (AUR suffix) | — |
| RoHS Status | Compliant | Green / compliant |
| Core Size | — | 8-Bit |
| Max Clock Speed | — | 20 MHz |
| Program Memory Type | — | FLASH |
| Number of I/O | — | 39 |
| Connectivity | — | I2C, SPI, UART/USART |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, WDT, PTC |
| Supply Voltage | — | 5 V |
| Series | — | AVR ATmega, Functional Safety (FuSa) |