Microchip Technology ATMEGA8A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.41 | $2.41 |
| 15+ | $2.22 | $33.30 |
| 25+ | $2.17 | $54.25 |
| 50+ | $2.05 | $102.50 |
| 100+ | $1.81 | $181.00 |
| N+ | $0.36 | 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-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA8A-AU is a popular 8-bit AVR microcontroller with a 16MHz core. It offers 8KB Flash and 1K RAM, along with essential peripherals like timers, ADC, and serial communication interfaces. Housed in a 32-TQFP package, it operates from 2.7V to 5.5V, providing a reliable and cost-effective solution for a wide range of embedded applications.
- Efficient AVR Core: Executes powerful instructions in a single cycle, maximizing throughput at 16MHz.
- In-System Programmable Flash: Allows for easy firmware updates via SPI, reducing development time.
- Rich Peripheral Set: Includes ADC, timers, PWM, and multiple serial interfaces for versatile system integration.
- Wide Voltage Operation: Supports 2.7V to 5.5V, compatible with both 3.3V and 5V logic systems.
- Compact 32-TQFP Package: Saves PCB space while providing ample I/O pins.
Embedded Control Systems
With its 16MHz AVR core and 8KB Flash, the ATMEGA8A-AU is ideal for implementing control logic in appliances, vending machines, and industrial equipment.
Sensor Signal Processing
Its 10-bit ADC and multiple timers allow for accurate reading and processing of analog sensor outputs, suitable for temperature, pressure, and light sensing applications.
DIY and Hobbyist Projects
The well-documented AVR architecture and 32-TQFP package make it a popular choice for custom electronics, robotics, and educational kits.
Automotive Aftermarket
Operating at 2.7V-5.5V and with robust I/O, it can be used in car alarm systems, window controllers, and dashboard displays.
Power Management
Its PWM outputs and low-power sleep modes enable efficient battery charging and DC-DC converter control in portable devices.
Communication Bridges
With UART, SPI, and I2C interfaces, it can bridge different communication protocols in mixed-signal systems.
- Q: What is the core architecture of the ATMEGA8A-AU?
- A: It is based on the AVR enhanced RISC architecture, executing most instructions in a single clock cycle.
- Q: What is the maximum clock speed?
- A: The ATMEGA8A-AU supports a maximum clock frequency of 16MHz.
- Q: How much Flash memory does it have?
- A: It provides 8KB of in-system programmable Flash memory (4K x 16).
- Q: What is the operating voltage range?
- A: It operates between 2.7V and 5.5V, making it suitable for battery-powered devices.
- Q: What package is this variant?
- A: This variant comes in a 32-TQFP package, offering a compact footprint.
ATMEGA8A-AU.pdf
- Q: What is the core architecture of the ATMEGA8A-AU?
- A: It is based on the AVR enhanced RISC architecture, executing most instructions in a single clock cycle.
- Q: What is the maximum clock speed?
- A: The ATMEGA8A-AU supports a maximum clock frequency of 16MHz.
- Q: How much Flash memory does it have?
- A: It provides 8KB of in-system programmable Flash memory (4K x 16).
- Q: What is the operating voltage range?
- A: It operates between 2.7V and 5.5V, making it suitable for battery-powered devices.
- Q: What package is this variant?
- A: This variant comes in a 32-TQFP package, offering a compact footprint.
