ATMEGA324PB-AN vs ATMEGA324A-AU Comparison
Detailed side-by-side comparison of ATMEGA324PB-AN by Microchip Technology and ATMEGA324A-AU 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
ATMEGA324PB-AN - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-AN β ActiveMicrochip Technology
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU β ActiveSpecification Comparison
| Parameter | ATMEGA324PB-AN | ATMEGA324A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.82 | $2.09 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Max Clock Speed | 20 MHz | β |
| Program Memory Size | 32 KB (16K x 16) | β |
| Program Memory Type | FLASH | β |
| EEPROM Size | 1 KB | β |
| SRAM Size | 2 KB | β |
| Number of I/O | 39 | β |
| General Purpose Working Registers | 32 | 32 |
| Connectivity | I2C, SPI, UART/USART | β |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, PTC | β |
| Timer/Counters | 5 | β |
| Supply Voltage | 5 V | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| Package | 44-TQFP (10x10 mm) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Series | AVR ATmega, Functional Safety (FuSa) | β |
| RoHS Status | Green / compliant | Compliant |
| Core Architecture | β | 8-bit AVR RISC |
| Flash Memory | β | 32 KB (ISP, read-while-write) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Maximum CPU Frequency | β | 20 MHz |
| Supply Voltage Range | β | 1.8 V to 5.5 V (speed-grade dependent) |
| General Purpose I/O | β | 32 lines |
| Instructions | β | 131 (most single-cycle) |
| Timers/Counters | β | 3 |
| Real Time Counter | β | Yes |
| Serial Interfaces | β | USART, SPI, 2-Wire (I2C/TWI) |
| In-System Programming | β | Yes (ISP) |
| Package Type | β | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch |
| Life Cycle Stage | β | Active |