ATMEGA324PA-PN vs ATMEGA324PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA324PA-PN by Microchip Technology and ATMEGA324PA-MCHR 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-PN - 8-Bit AVR MCU 20MHz 32KB Flash DIP-40 | Microchip
ATMEGA324PA-PN ✓ ActiveMicrochip Technology
ATMEGA324PA-MCHR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-PN | ATMEGA324PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Core Series | AVR ATmega (picoPower) | — |
| Max CPU Frequency | 20 MHz | — |
| Program Memory (Flash) | 32 KB (16K x 16), ISP, read-while-write | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| General Purpose I/O | 32 lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Communication Interfaces | I2C (TWI), SPI, UART/USART | — |
| Operating Supply Voltage | 2.5 V / 3.3 V / 5 V | — |
| Operating Temperature | up to +105 C (PN grade) | -40C to +85C (industrial) |
| Package | 40-PDIP, 0.600 in (15.24 mm) width | 44-QFN (5x5 mm) with exposed pad |
| Mounting Type | Through-Hole | Surface Mount |
| Packaging | Tube | — |
| RoHS / Green Status | Green (RoHS compliant per Microchip listing) | — |
| Data Program Memory Size | 32KB FLASH, 1KB EE, 2KB RAM | — |
| Supplier Device Package | 40-DIP | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Flash Memory Size | — | 32 KB (16K x 16) |
| EEPROM Size | — | 1 KB |
| SRAM Size | — | 2 KB |
| Number of I/O | — | 32 |
| General Purpose Registers | — | 32 |
| Supply Voltage | — | 2.5 V / 3.3 V / 5 V |
| Instructions | — | 131 instructions, most single-cycle execution |
| MIPS per MHz | — | Up to 1 MIPS/MHz |
| Programming | — | ICSP in-system programmable Flash with read-while-write |
| Low Power Technology | — | picoPower |
| Debug / Scan | — | JTAG (on-chip debug and boundary scan) |
| Life Cycle Stage | — | ACTIVE |