ATMEGA644PA-MNR vs ATMEGA324PA-MNR Comparison
Detailed side-by-side comparison of ATMEGA644PA-MNR by Microchip Technology and ATMEGA324PA-MNR 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
ATMEGA644PA-MNR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644PA-MNR ✓ ActiveMicrochip Technology
ATMEGA324PA-MNR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PA-MNR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA644PA-MNR | ATMEGA324PA-MNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.80 | $2.58 |
| Core | AVR 8-bit RISC | — |
| Program Memory Size | 64 KB (32K x 16) Flash | — |
| Program Memory Type | ISP FLASH, read-while-write | ISP FLASH with read-while-write |
| EEPROM Size | 2 KB | — |
| SRAM Size | 4 KB (4K x 8) | — |
| CPU Speed | 20 MHz | — |
| Number of I/O | 32 | — |
| General Purpose Working Registers | 32 | — |
| Instructions | 131, mostly single-clock cycle | — |
| Oscillator Type | Internal | — |
| Package / Case | 44-VQFN (7x7 mm) Exposed Pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (T&R) |
| Programming / Debug | ICSP, JTAG | — |
| Technology Feature | picoPower low-power technology | — |
| Operating Temperature | [DATA_NEEDED: exact grade per suffix; Mouser lists 105C grade variant] | -40C to +105C |
| Operating Voltage Range | [DATA_NEEDED: exact VCC range for this suffix] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| GPIO Count | — | 32 |
| Connectivity | — | I2C, SPI, UART/USART |
| Supply Voltage | — | 5 V (nominal per Mouser listing) |
| Package | — | 44-VQFN (7x7 mm) with exposed pad |
| Technology | — | picoPower low-power CMOS |
| Number of ADC Channels | — | [DATA_NEEDED: number of ADC channels] |
| Timers/Counters | — | [DATA_NEEDED: timer configuration] |
| RoHS Status | — | Green (RoHS compliant per Mouser listing) |