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The Microchip ATMEGA64L-8AU is an 8-bit AVR microcontroller in a 64-lead TQFP package, offering 64 KB of flash with 4 KB SRAM and 2 KB EEPROM at the 8 MHz low-voltage speed grade. Its 10-bit ADC, two USARTs, SPI and TWI make it a reliable part for low-voltage and legacy embedded control applications.
Key Specifications
| Manufacturer | Microchip Technology |
| Exact Manufacturer Part Number | ATMEGA64L-8AU |
| Product Category | 8-bit Microcontrollers – MCU |
| Series / Family | ATmega64L |
| Package / Case | 64-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to +85°C |
| Power Supply | 2.7 V to 5.5 V |
| Program Memory | 64 KB |
| SRAM | 4 KB |
| EEPROM | 2 KB |
| Maximum Clock | 8 MHz |
| I/O Lines | 53 |
| ADC | 10-bit, 8 channels |
| Interfaces | 2x USART, SPI, TWI |
| Lifecycle Status | Active |
| Official Documentation | View official documentation |
Key Features
- 64 KB flash program memory
- 8 MHz low-voltage speed grade
- 4 KB SRAM and 2 KB EEPROM
- 2.7 V to 5.5 V supply range
- 8-channel 10-bit ADC
- 64-lead TQFP package
Applications
- Low-voltage embedded control
- Industrial interfaces
- Data acquisition
- Legacy system maintenance
Sourcing
Availability, lead time, date code and commercial terms are subject to confirmation at the time of quotation.
Quality
CHIPER sources brand-new, unused components and provides quality inspection, shortage and long lead-time sourcing, and one-stop BOM procurement. Every part is verified before shipment.
FAQ
What does the L suffix indicate on the ATmega64L?
The L designates the low-voltage 8 MHz speed grade.
Is the ATmega64L suitable for 5 V systems?
Yes, it supports the full 2.7 V to 5.5 V range despite the lower clock grade.