ATMEGA324PA-MCHR vs ATMEGA324PA-PN Comparison
Detailed side-by-side comparison of ATMEGA324PA-MCHR by Microchip Technology and ATMEGA324PA-PN 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-MCHR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-MCHR β ActiveMicrochip Technology
ATMEGA324PA-PN - 8-Bit AVR MCU 20MHz 32KB Flash DIP-40 | Microchip
ATMEGA324PA-PN β ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MCHR | ATMEGA324PA-PN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.55 | $2.66 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory Size | 32 KB (16K x 16) | β |
| EEPROM Size | 1 KB | β |
| SRAM Size | 2 KB | β |
| Number of I/O | 32 | β |
| General Purpose Registers | 32 | β |
| Supply Voltage | 2.5 V / 3.3 V / 5 V | β |
| Instructions | 131 instructions, most single-cycle execution | β |
| MIPS per MHz | Up to 1 MIPS/MHz | β |
| Package | 44-QFN (5x5 mm) with exposed pad | 40-PDIP, 0.600 in (15.24 mm) width |
| Mounting Type | Surface Mount | Through-Hole |
| Operating Temperature | -40C to +85C (industrial) | up to +105 C (PN grade) |
| Programming | ICSP in-system programmable Flash with read-while-write | β |
| Low Power Technology | picoPower | β |
| Debug / Scan | JTAG (on-chip debug and boundary scan) | β |
| Life Cycle Stage | ACTIVE | β |
| Core Architecture | β | 8-bit AVR RISC |
| Core Series | β | AVR ATmega (picoPower) |
| Max CPU Frequency | β | 20 MHz |
| Program Memory (Flash) | β | 32 KB (16K x 16), ISP, read-while-write |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| General Purpose I/O | β | 32 lines |
| Working Registers | β | 32 x 8-bit general purpose |
| Communication Interfaces | β | I2C (TWI), SPI, UART/USART |
| Operating Supply Voltage | β | 2.5 V / 3.3 V / 5 V |
| Packaging | β | Tube |
| RoHS / Green Status | β | Green (RoHS compliant per Microchip listing) |
| Data Program Memory Size | β | 32KB FLASH, 1KB EE, 2KB RAM |
| Supplier Device Package | β | 40-DIP |