ATMEGA324A-MU vs ATMEGA324PB-MU Comparison
Detailed side-by-side comparison of ATMEGA324A-MU by Microchip Technology and ATMEGA324PB-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
ATMEGA324A-MU - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324A-MU β ActiveMicrochip Technology
ATMEGA324PB-MU - 8-bit AVR MCU 20MHz 32KB Flash 44-VQFN | Microchip
ATMEGA324PB-MU β ActiveSpecification Comparison
| Parameter | ATMEGA324A-MU | ATMEGA324PB-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.90 | $1.35 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 32 KB ISP Flash (read-while-write) | 32 KB (16K x 16) ISP, read-while-write |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Maximum Clock Frequency | 20 MHz | β |
| General Purpose I/O Lines | 32 | β |
| Working Registers | 32 general purpose | β |
| Supply Voltage Class | 2.5 V / 3.3 V / 5 V systems | β |
| Package | 44-VFQFN Exposed Pad | 44-VQFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | β |
| Instructions | 131 powerful instructions, most single-cycle | β |
| Throughput | Up to ~1 MIPS per MHz | β |
| Real Time Counter | Yes | β |
| Lifecycle Status | Active | β |
| Packaging | Tape & Reel | β |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| Supply Voltage Range (Vcc min-max) | [DATA_NEEDED: full Vcc min-max range] | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 20 MHz |
| Number of I/O | β | 39 |
| Timers/Counters | β | 5 flexible timer/counters |
| Connectivity | β | I2C, SPI, UART/USART |
| Touch Controller | β | QTouch PTC - 32 buttons self-cap, up to 256 buttons mutual-cap |
| Peripherals | β | Brown-out Detect/Reset, picoPower low-power modes |
| Operating Voltage | β | 5 V |
| Operating Temperature | β | -40C to +85C (Industrial) |
| Oscillator Type | β | Internal (XTAL1/XTAL2 pins on PE1/PE0) |
| Features | β | Functional Safety (FuSa) supported |