Atmel (Microchip Technology) · Other MCUs
ATMEGA649A-AU
IC MCU 8BIT 64KB FLASH 64TQFP
64-TQFP
Request this exact part →Source catalog record 8895689. Page generated 2026-10-10. Supply verification pending quotation.
- Core Processor
- AVR
- Program Memory Size
- 64KB (32K x 16)
- RAM Size
- 4K x 8
- Connectivity
- SPI, UART/USART, USI
- Speed
- 16MHz
- Operating Temperature
- -40°C ~ 85°C (TA)
Source specifications
These fields are source references. Confirm the current manufacturer document before design or procurement approval.
| Manufacturer | Atmel (Microchip Technology) |
|---|---|
| Complete ordering code | ATMEGA649A-AU |
| Catalog family | Other MCUs |
| Source category | Microcontrollers |
| Source package | 64-TQFP |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 16MHz |
| Connectivity | SPI, UART/USART, USI |
| Peripherals | Brown-out Detect/Reset, LCD, POR, PWM, WDT |
| Number of I/O | 54 |
| 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) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 64-TQFP |
| Supplier Device Package | 64-TQFP (14x14) |
Documentation
ATMEGA649A-AU ↗Ordering and procurement checks
- Retain the complete code ATMEGA649A-AU, including all suffixes.
- Confirm footprint, pin assignments, ratings and development dependencies using the exact manufacturer documentation.
- State quantity, required arrival date, approved alternates and traceability requirements with your RFQ.
Questions before ordering
What package is recorded for ATMEGA649A-AU?
The source catalog lists 64-TQFP. Confirm footprint and pin assignments using the exact manufacturer documentation.
How do I request ATMEGA649A-AU?
Provide the complete ordering code, required quantity, destination and delivery date using the form on this page. Price and availability are confirmed in the quotation.
Is ATMEGA649A-AU currently in stock?
This page contains historical catalog information. Current available quantity, condition and lead time must be confirmed by the sourcing team.
Can I substitute another code for ATMEGA649A-AU?
Use only an engineering-approved alternate. Similar naming, capacity or package alone does not establish compatibility.
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