ATMEGA324PA-MCH vs ATMEGA324PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA324PA-MCH 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-MCH - 8-bit AVR MCU, 20MHz, 32KB Flash | Microchip
ATMEGA324PA-MCH β ActiveMicrochip Technology
ATMEGA324PA-MCHR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-MCHR β ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MCH | ATMEGA324PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.45 | $2.55 |
| Core Architecture | 8-bit AVR RISC | β |
| Flash Memory | 32 KB (16K x 16) ISP Flash | β |
| EEPROM | 1 KB | β |
| SRAM | 2 KB | β |
| 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-QFN (5x5 mm) with 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 | picoPower |
| 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 |
| Flash Memory Size | β | 32 KB (16K x 16) |
| EEPROM Size | β | 1 KB |
| SRAM Size | β | 2 KB |
| Number of I/O | β | 32 |
| General Purpose Registers | β | 32 |
| Supply Voltage | β | 2.5 V / 3.3 V / 5 V |
| Instructions | β | 131 instructions, most single-cycle execution |
| MIPS per MHz | β | Up to 1 MIPS/MHz |
| Operating Temperature | β | -40C to +85C (industrial) |
| Programming | β | ICSP in-system programmable Flash with read-while-write |
| Debug / Scan | β | JTAG (on-chip debug and boundary scan) |
| Life Cycle Stage | β | ACTIVE |