ATMEGA324PB-MN vs ATMEGA324PA-MCH Comparison
Detailed side-by-side comparison of ATMEGA324PB-MN by Microchip Technology and ATMEGA324PA-MCH 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-MN - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-MN ✓ ActiveMicrochip Technology
ATMEGA324PA-MCH - 8-bit AVR MCU, 20MHz, 32KB Flash | Microchip
ATMEGA324PA-MCH ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PB-MN | ATMEGA324PA-MCH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) ISP Flash |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| GPIO Count | 39 | — |
| Timer/Counters | 5 | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Package | 44-VQFN (7x7 mm) Exposed Pad | 44-QFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | — |
| USART Peripherals | Multiple USARTs (PB variant adds 2 vs PA) | — |
| Touch Controller | QTouch PTC, 32 self-cap / 256 mutual-cap buttons | — |
| Connectivity | SPI, I2C (TWI), USART | — |
| Functional Safety | FuSa capable | — |
| Technology | picoPower low-power technology | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Operating Voltage Range | — | 2.5 V to 5.5 V |
| General Purpose I/O | — | 32 I/O lines |
| Instruction Set | — | 131 instructions, most single-cycle |
| Working Registers | — | 32 x 8 general purpose |
| Multiplier | — | On-chip 2-cycle multiplier |
| Low Power Technology | — | picoPower |
| Programmability | — | In-System Programmable (ISP), read-while-write |
| Supply Voltage Options | — | 2.5 V / 3.3 V / 5 V |