| Manufacturer Part | ATMEGA644-20AU |
|---|---|
| Manufacturer | Roving Networks / Microchip Technology |
| Description | IC MCU 8BIT 64KB FLASH 44TQFP |
| Category | Integrated Circuits Supplier | Global Semiconductor Distributor |
| RoHS | Lead free / RoHS Compliant |
| Warranty | 365 days |
| Datasheet | ATMEGA644-20AU PDF |
| Availability | 2510 pieces |
| Shipped from | HK warehouse |
| Expected Shipping | Dec 22 - Dec 26 2025 |
In Stock Min.: 1 Mult.: 1
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| Type | Description |
|---|---|
| Series: | AVR® ATmega |
| Package: | Tray |
| Part 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 ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 44-TQFP |
| Supplier Device Package: | 44-TQFP (10x10) |
| Payment method | Hand Fee |
| Telegraphic Transfer | Request service |
| Paypal | 4% fee |
| Credit Card | 4% fee |
| Western Union | Free of charge |
| Money Gram | Free of charge |
| Shipping Type | Lead Time |
| DHL | 2-5 days |
| Fedex | 2-5 days |
| UPS | 2-5 days |
| TNT | 2-6 days |
| EMS | 3-7 days |
| Registered Air Mail | 20-35 days |
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