ATMEGA324PA-MNR vs ATMEGA644PA-MNR Comparison
Detailed side-by-side comparison of ATMEGA324PA-MNR by Microchip Technology and ATMEGA644PA-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
ATMEGA324PA-MNR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324PA-MNR ✓ ActiveMicrochip Technology
ATMEGA644PA-MNR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644PA-MNR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MNR | ATMEGA644PA-MNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.58 | $1.80 |
| 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) | — |
| Operating Temperature | -40C to +105C | [DATA_NEEDED: exact grade per suffix; Mouser lists 105C grade variant] |
| Package | 44-VQFN (7x7 mm) with exposed pad | — |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (T&R) | Tape & Reel (TR) |
| Technology | picoPower low-power CMOS | — |
| Program Memory Type | ISP FLASH with read-while-write | ISP FLASH, read-while-write |
| Number of ADC Channels | [DATA_NEEDED: number of ADC channels] | — |
| Timers/Counters | [DATA_NEEDED: timer configuration] | — |
| RoHS Status | Green (RoHS compliant per Mouser listing) | — |
| Core | — | AVR 8-bit RISC |
| Program Memory Size | — | 64 KB (32K x 16) Flash |
| 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 |
| Programming / Debug | — | ICSP, JTAG |
| Technology Feature | — | picoPower low-power technology |
| Operating Voltage Range | — | [DATA_NEEDED: exact VCC range for this suffix] |