Microchip Technology ATMEGA64L-8AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.79 | $9.79 |
| 15+ | $9.48 | $142.20 |
| 25+ | $9.27 | $231.75 |
| 50+ | $8.76 | $438.00 |
| 100+ | $7.73 | $773.00 |
| N+ | $1.55 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 8MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 53 |
| 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) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |  |
The Microchip ATMEGA64L-8AU is an 8-bit AVR microcontroller designed for low-power embedded applications. It provides 64KB of flash memory and 4KB of SRAM in a compact 64-TQFP package. Operating from 2.7V to 5.5V, it includes essential safety features like brown-out detection and a watchdog timer, making it a reliable choice for industrial and portable designs.
- Low-voltage operation (2.7V) – Enables direct battery-powered designs without additional regulators, reducing BOM cost.
- 64KB flash memory – Ample space for complex firmware, supporting over-the-air updates in field devices.
- Integrated watchdog timer – Automatically resets the system on software hangs, improving field reliability.
- Wide temperature range (-40°C to 85°C) – Suitable for harsh environments like outdoor industrial enclosures.
Industrial Control Systems
The 8MHz clock and 2.7V low-voltage operation allow for energy-efficient control in industrial sensors and actuators, reducing power consumption in battery-backed systems.
Portable Medical Devices
With a wide voltage range and low-power AVR core, it supports reliable operation in handheld diagnostic tools where battery life is critical.
Automotive Aftermarket Modules
Its 64KB flash and robust reset features make it suitable for non-critical automotive add-ons like window controllers or seat memory modules, operating within the -40°C to 85°C range.
Smart Metering Infrastructure
The integrated PWM and WDT enable precise pulse counting and fault recovery in utility meters, ensuring long-term data integrity.
Home Automation Gateways
With 4KB SRAM and multiple I/O pins, it can manage protocol bridging for Zigbee or Z-Wave modules in smart home hubs.
Data Logging Equipment
The 64KB program memory supports complex logging algorithms, while the brown-out detector prevents data corruption during power dips.
- Q: What is the maximum operating frequency of the ATMEGA64L-8AU?
- A: The maximum operating frequency is 8MHz at a supply voltage range of 2.7V to 5.5V.
- Q: How much flash memory and SRAM does this MCU have?
- A: It features 64KB of in-system programmable flash and 4KB of SRAM.
- Q: What package is the ATMEGA64L-8AU available in?
- A: It comes in a 64-pin TQFP package, suitable for surface-mount assembly.
- Q: Does it include a watchdog timer?
- A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detection and Power-on Reset.
ATMEGA64L-8AU.pdf
- Q: What is the maximum operating frequency of the ATMEGA64L-8AU?
- A: The maximum operating frequency is 8MHz at a supply voltage range of 2.7V to 5.5V.
- Q: How much flash memory and SRAM does this MCU have?
- A: It features 64KB of in-system programmable flash and 4KB of SRAM.
- Q: What package is the ATMEGA64L-8AU available in?
- A: It comes in a 64-pin TQFP package, suitable for surface-mount assembly.
- Q: Does it include a watchdog timer?
- A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detection and Power-on Reset.
