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 β ActiveMicrochip Technology
ATMEGA324PB-MN - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PB-MN β ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MCH | ATMEGA324PB-MN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $2.19 |
| Core Architecture | 8-bit AVR RISC | β |
| 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 | β |
| Throughput | Up to 20 MIPS at 20 MHz | β |
| Operating Voltage Range | 2.5 V to 5.5 V | β |
| General Purpose I/O | 32 I/O lines | β |
| 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 | β |
| Working Registers | 32 x 8 general purpose | β |
| Multiplier | On-chip 2-cycle multiplier | β |
| Low Power Technology | picoPower | β |
| Programmability | In-System Programmable (ISP), read-while-write | β |
| Supply Voltage Options | 2.5 V / 3.3 V / 5 V | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 20 MHz |
| GPIO Count | β | 39 |
| Timer/Counters | β | 5 |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| USART Peripherals | β | Multiple USARTs (PB variant adds 2 vs PA) |
| Touch Controller | β | QTouch PTC, 32 self-cap / 256 mutual-cap buttons |
| Connectivity | β | SPI, I2C (TWI), USART |
| Functional Safety | β | FuSa capable |
| Technology | β | picoPower low-power technology |