ATMEGA324PB-MU vs ATMEGA324PA-MU Comparison
Detailed side-by-side comparison of ATMEGA324PB-MU by Microchip Technology and ATMEGA324PA-MU 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-MU - 8-bit AVR MCU 20MHz 32KB Flash 44-VQFN | Microchip
ATMEGA324PB-MU β ActiveMicrochip Technology
ATMEGA324PA-MU - 8-bit AVR MCU 32KB Flash 20MHz VQFN-44 | Microchip
ATMEGA324PA-MU β ActiveSpecification Comparison
| Parameter | ATMEGA324PB-MU | ATMEGA324PA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.35 | $2.05 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory | 32 KB (16K x 16) ISP, read-while-write | 32 KB (16K x 16) ISP Flash |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Number of I/O | 39 | 32 general purpose I/O lines |
| Timers/Counters | 5 flexible timer/counters | β |
| Connectivity | I2C, SPI, UART/USART | β |
| Touch Controller | QTouch PTC - 32 buttons self-cap, up to 256 buttons mutual-cap | β |
| Peripherals | Brown-out Detect/Reset, picoPower low-power modes | β |
| Operating Voltage | 5 V | β |
| Operating Temperature | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| Package | 44-VQFN (7x7 mm) | 44-VQFN (7 x 7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Oscillator Type | Internal (XTAL1/XTAL2 pins on PE1/PE0) | β |
| Features | Functional Safety (FuSa) supported | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| Core Architecture | β | 8-bit AVR RISC |
| Maximum Clock Frequency | β | 20 MHz |
| Supply Voltage | β | 2.5 V / 3.3 V / 5 V |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 instructions, mostly single-cycle |
| Programming Method | β | In-System Programmable (ISP), read-while-write |
| Power Technology | β | picoPower low-power modes |
| ADC Resolution | β | [DATA_NEEDED: ADC resolution in bits] |
| ECCN | β | EAR99 |
| Lifecycle Stage | β | ACTIVE |