Microchip Technology ATMEGA8A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.41 | $2.41 |
| 15+ | $2.34 | $35.10 |
| 25+ | $2.29 | $57.25 |
| 50+ | $2.16 | $108.00 |
| 100+ | $1.91 | $191.00 |
| N+ | $0.38 | 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 | 16MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 8KB (4K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 512 x 8 |
| RAM Size | 1K 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 | 32-VQFN (5x5) |
| Package / Case | 32-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATMEGA8A-MU is a high-performance 8-bit AVR microcontroller in a compact 32-VFQFN package. It delivers 16MHz processing speed with 8KB flash memory and 1KB SRAM, operating from 2.7V to 5.5V. Integrated features include PWM channels, watchdog timer, and brown-out detection, ensuring robust operation in demanding embedded applications.
- Wide Voltage Range (2.7V-5.5V): Simplifies power design by supporting both 3.3V and 5V logic without level shifters.
- Compact QFN Package: Saves board space in space-constrained designs while providing excellent thermal performance.
- Integrated Safety Features: Brown-out reset and watchdog timer prevent system lockups and data corruption.
- Proven AVR Architecture: Single-cycle instruction execution maximizes throughput at lower clock frequencies, reducing power consumption.
Industrial Control Systems
The 16MHz AVR core with 8KB flash handles real-time control loops for motor and relay control, while the wide voltage range ensures stable operation in noisy industrial environments.
Battery-Powered Devices
With a 2.7V minimum supply and low-power sleep modes, the ATMEGA8A-MU extends battery life in portable sensors and handheld tools.
Automotive Aftermarket Modules
Operating from -40°C to 85°C, it reliably manages window lift or mirror control modules in vehicles, with PWM outputs for smooth actuator drive.
Home Automation Hubs
Its 1KB SRAM and rich peripheral set (USART, SPI, I2C) support Zigbee or Wi-Fi co-processor communication in smart home gateways.
Power Supply Monitoring
The built-in Brown-out Detect/Reset prevents corrupted operation during supply dips, making it ideal for monitoring and sequencing in multi-rail PSUs.
Educational Prototyping
The 32-pin QFN package and 5V compatibility simplify breadboard-to-production transitions for student robotics projects.
- Q: What is the operating voltage range of the ATMEGA8A-MU?
- A: The ATMEGA8A-MU operates from 2.7V to 5.5V, making it suitable for battery and 5V systems.
- Q: How much flash memory does this MCU have?
- A: It has 8KB of in-system programmable flash memory (4K x 16 words).
- Q: What package is the ATMEGA8A-MU available in?
- A: It comes in a 32-VFQFN exposed pad package, ideal for compact PCB designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT) along with POR and Brown-out Detect/Reset.
ATMEGA8A-MU.pdf
- Q: What is the operating voltage range of the ATMEGA8A-MU?
- A: The ATMEGA8A-MU operates from 2.7V to 5.5V, making it suitable for battery and 5V systems.
- Q: How much flash memory does this MCU have?
- A: It has 8KB of in-system programmable flash memory (4K x 16 words).
- Q: What package is the ATMEGA8A-MU available in?
- A: It comes in a 32-VFQFN exposed pad package, ideal for compact PCB designs.
- Q: Does it include a watchdog timer?
- A: Yes, it features a Watchdog Timer (WDT) along with POR and Brown-out Detect/Reset.
