Microchip Technology ATMEGA8A-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.47 | $2.47 |
| 15+ | $2.39 | $35.85 |
| 25+ | $2.34 | $58.50 |
| 50+ | $2.21 | $110.50 |
| 100+ | $1.95 | $195.00 |
| N+ | $0.39 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA8A-AUR is a high-performance 8-bit AVR microcontroller in a compact 32-TQFP package. It delivers 16MHz processing speed with 8KB flash memory and 1KB SRAM, operating from 2.7V to 5.5V. Built-in features like brown-out detection, power-on reset, PWM, and watchdog timer ensure dependable operation in demanding environments. Its wide temperature range and low power consumption make it a versatile choice for industrial, automotive, and consumer applications.
- Wide voltage range (2.7V-5.5V): Enables direct operation from 3.3V or 5V rails without external regulators.
- 16MHz AVR core: Provides efficient single-cycle instruction execution for time-critical tasks.
- Integrated safety features: Brown-out reset and watchdog timer prevent system lockups in noisy environments.
- Compact TQFP-32 package: Reduces PCB area while offering 23 I/O pins for peripheral connectivity.
Industrial Control Systems
The 16MHz AVR core with 8KB flash handles real-time control loops for motor drivers and relay logic, supported by PWM channels and a robust WDT for fail-safe operation.
Battery-Powered Sensors
With a 2.7V minimum supply and low-power sleep modes, the ATMEGA8A-AUR is ideal for wireless sensor nodes that require long battery life without sacrificing processing capability.
Automotive Aftermarket Modules
Its -40°C to 85°C temperature range and brown-out reset ensure reliable operation in engine bay or cabin electronics like window lift controllers and lighting modules.
Consumer Appliances
The 32-TQFP package allows compact integration into smart plugs, thermostats, and small kitchen appliances, where the 1KB SRAM supports simple user interfaces and sensor fusion.
Educational Prototyping
As a DIP-compatible (via adapter) AVR, it is widely used in Arduino-style projects, offering a straightforward migration path from 8-bit to more complex designs.
Power Management Units
The integrated POR and analog comparator enable precise voltage monitoring and sequencing in DC-DC converter control loops, reducing external component count.
- Q: What is the operating voltage range of the ATMEGA8A-AUR?
- A: The ATMEGA8A-AUR 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-AUR available in?
- A: It comes in a 32-pin TQFP package, ideal for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it features an analog comparator along with PWM, WDT, and brown-out detection.
ATMEGA8A-AUR.pdf
- Q: What is the operating voltage range of the ATMEGA8A-AUR?
- A: The ATMEGA8A-AUR 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-AUR available in?
- A: It comes in a 32-pin TQFP package, ideal for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it features an analog comparator along with PWM, WDT, and brown-out detection.
