For Reference Only
| Part Number | ATMEGA644P-20MQR |
| Manufacturer | Microchip Technology |
| Category | Integrated Circuits (ICs) › Microcontrollers |
| Description | IC MCU 8BIT 64KB FLASH 44VQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | ATMEGA644P-20MQR PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 13 - Dec 17 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | ATMEGA644P-20MQR |
| Brand: | Microchip Technology |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Microcontrollers |
| Manufacturer: | Microchip Technology |
| Product Status: | Active |
| Core Processor: | AVR |
| Core Size: | 8-Bit |
| Speed: | 20MHz |
| Connectivity: | I²C, SPI, UART/USART |
| Peripherals: | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O: | 32 |
| Program Memory Size: | 64KB (32K x 16) |
| Program Memory Type: | FLASH |
| EEPROM Size: | 2K x 8 |
| RAM Size: | 4K x 8 |
| Voltage - Supply (Vcc/Vdd): | 2.7V ~ 5.5V |
| Data Converters: | A/D 8x10b |
| Oscillator Type: | Internal |
| Operating Temperature: | -40°C ~ 105°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 44-VFQFN Exposed Pad |
| Supplier Device Package: | 44-VQFN (7x7) |
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| In Stock | 14744 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.78000 | $2.78 |
| 25 | $2.54520 | $63.63 |
| 100 | $2.30500 | $230.5 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
