ATMEGA324PA-MCH vs ATMEGA324PB-MN Comparison
Detailed side-by-side comparison of ATMEGA324PA-MCH by Microchip Technology and ATMEGA324PB-MN 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
ATMEGA324PA-MCH - 8-bit AVR MCU, 20MHz, 32KB Flash | Microchip
ATMEGA324PA-MCH ✓ ActiveMicrochip Technology
ATMEGA324PB-MN - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-MN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MCH | ATMEGA324PB-MN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB (16K x 16) ISP Flash | 32 KB (16K x 16) |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| 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 | — |
| Package | 44-QFN (5x5 mm) with exposed pad | 44-VQFN (7x7 mm) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| 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 | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| GPIO Count | — | 39 |
| Timer/Counters | — | 5 |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| 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 |