ATMEGA324P-20MU vs ATMEGA324PB-MU Comparison
Detailed side-by-side comparison of ATMEGA324P-20MU 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
ATMEGA324P-20MU - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324P-20MU ✓ ActiveMicrochip Technology
ATMEGA324PB-MU - 8-bit AVR MCU 20MHz 32KB Flash 44-VQFN | Microchip
ATMEGA324PB-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324P-20MU | ATMEGA324PB-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.80 | $1.35 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) ISP, read-while-write |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Supply Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | 5 flexible timer/counters |
| USART | 2 | — |
| ADC Resolution | 10-bit | — |
| Connectivity | I2C (TWI), SPI, UART/USART | I2C, SPI, UART/USART |
| Package | 44-VQFN (7x7 mm), exposed pad | 44-VQFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | -40C to +85C (Industrial) |
| Programmer Support | MPLAB SNAP (ICSP, in-circuit debug) | — |
| Technology | picoPower, AVR RISC, 131 instructions | — |
| Number of I/O | — | 39 |
| Touch Controller | — | QTouch PTC - 32 buttons self-cap, up to 256 buttons mutual-cap |
| Peripherals | — | Brown-out Detect/Reset, picoPower low-power modes |
| Operating Voltage | — | 5 V |
| Oscillator Type | — | Internal (XTAL1/XTAL2 pins on PE1/PE0) |
| Features | — | Functional Safety (FuSa) supported |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |