Microchip Technology ATMEGA808-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.10 | $1.10 |
| 15+ | $1.07 | $16.05 |
| 25+ | $1.04 | $26.00 |
| 50+ | $0.99 | $49.50 |
| 100+ | $0.87 | $87.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | megaAVR® 0, Functional Safety (FuSa) |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Number of I/O | 27 |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA808-AU is a high-performance 8-bit AVR microcontroller designed for efficient embedded control. It operates from 1.8V to 5.5V and runs at up to 20MHz, delivering responsive processing for a wide range of applications. With 8KB of Flash memory and 1KB of SRAM, it provides ample storage for firmware and data handling. The 32-pin TQFP package ensures a compact footprint, while integrated features like Brown-out Reset, Power-on Reset, and a Watchdog Timer enhance system reliability. This MCU is well-suited for industrial, consumer, and automotive applications requiring low power and robust operation.
- Wide Voltage Flexibility: Supports 1.8V to 5.5V, allowing direct battery connection or 3.3V/5V logic systems without extra regulators.
- Reliable Operation: Integrated Brown-out Reset and Watchdog Timer prevent system lockups and ensure safe startup in noisy environments.
- Compact Design: The 32-TQFP package reduces PCB space, enabling miniaturized product designs.
- Efficient Processing: 20MHz AVR core delivers fast instruction execution for time-critical control loops.
Industrial Sensor Nodes
The 1.8V minimum supply and low-power features allow the ATMEGA808-AU to be powered directly from a coin cell or energy harvester, enabling long-life industrial sensor nodes that monitor temperature, vibration, or pressure.
Battery-Powered Handheld Tools
With a wide 1.8V-5.5V range and 20MHz performance, this MCU can drive user interfaces and motor control logic in portable calibration tools or digital multimeters, balancing responsiveness with battery conservation.
Smart Home Controllers
The 8KB Flash is sufficient for handling communication protocols like I2C or SPI in smart lighting or thermostat controllers, while the 32-TQFP package keeps the PCB area minimal for wall-mounted modules.
Automotive Aftermarket Accessories
Operating from -40°C to 85°C, the ATMEGA808-AU can be used in car alarm systems or window control modules, where the built-in Brown-out Reset ensures safe state recovery during voltage dips.
Medical Monitoring Devices
Its deterministic AVR core and 1KB SRAM support real-time processing of bio-signals (e.g., heart rate) in wearable patches, with the WDT providing fail-safe recovery in critical health applications.
Educational Robotics Kits
The 20MHz speed and 8KB program space are ideal for teaching PID control or line-following algorithms in robotics kits, while the TQFP package allows for compact PCB design in small robot chassis.
- Q: What is the operating voltage range of the ATMEGA808-AU?
- A: The ATMEGA808-AU operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz, providing a balanced performance for general-purpose embedded control.
- Q: How much Flash and SRAM does it have?
- A: It features 8KB of Flash program memory and 1KB of SRAM, ideal for small to medium control tasks.
- Q: What package is available?
- A: It comes in a 32-pin TQFP package, offering a compact footprint for space-constrained PCBs.
- Q: Does it include a watchdog timer?
- A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Reset and Power-on Reset for reliable operation.
ATMEGA808-AU.pdf
- Q: What is the operating voltage range of the ATMEGA808-AU?
- A: The ATMEGA808-AU operates from 1.8V to 5.5V, making it suitable for battery-powered and low-voltage applications.
- Q: What is the maximum clock speed?
- A: It runs at up to 20MHz, providing a balanced performance for general-purpose embedded control.
- Q: How much Flash and SRAM does it have?
- A: It features 8KB of Flash program memory and 1KB of SRAM, ideal for small to medium control tasks.
- Q: What package is available?
- A: It comes in a 32-pin TQFP package, offering a compact footprint for space-constrained PCBs.
- Q: Does it include a watchdog timer?
- A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Reset and Power-on Reset for reliable operation.
