Microchip Technology ATMEGA8A-PU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.00 | $4.00 |
| 15+ | $3.68 | $55.20 |
| 25+ | $3.60 | $90.00 |
| 50+ | $3.40 | $170.00 |
| 100+ | $3.00 | $300.00 |
| N+ | $0.60 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tube | |
| 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 6x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Through Hole |
| Supplier Device Package | 28-PDIP |
| Package / Case | 28-DIP (0.300", 7.62mm) |
| ROHS |  |
The ATMEGA8A-PU is a high-performance 8-bit AVR microcontroller from Microchip, delivering 16MHz operation with 8KB flash memory and 1KB SRAM. Its 2.7V to 5.5V supply range and 28-pin DIP package make it a versatile choice for embedded control systems. Built-in brown-out detection, power-on reset, and watchdog timer enhance system reliability in demanding environments.
- Wide voltage range (2.7V-5.5V) enables flexible power supply design, from battery cells to regulated 5V rails.
- 16MHz AVR core provides 16 MIPS throughput, sufficient for real-time control loops.
- 28-pin DIP package simplifies breadboarding and through-hole PCB assembly, reducing prototyping cost.
- Integrated BOD, POR, and WDT improve system robustness without external supervisory ICs.
Industrial Automation Controllers
With 8KB flash and 1KB SRAM, the ATMEGA8A-PU can handle simple logic sequences and sensor inputs in relay-based control panels, operating reliably across -40°C to 85°C.
Battery-Powered Sensor Nodes
The 2.7V minimum supply voltage allows direct operation from two AA batteries, while the WDT ensures automatic recovery in remote monitoring applications.
Educational Prototyping Platforms
The 28-pin DIP package is breadboard-friendly, enabling students to build and test AVR-based projects without specialized soldering equipment.
PWM Motor Speed Controllers
Integrated PWM channels allow precise speed control of small DC motors in hobby robotics, with the 16MHz clock providing sufficient resolution.
Home Appliance Timers
The combination of POR and BOD ensures safe power-up and shutdown sequences for washing machine or microwave control boards.
Automotive Aftermarket Accessories
Its wide voltage tolerance and robust I/O structure make it suitable for add-on LED lighting controllers or window lift modules in 12V vehicle systems.
- Q: What is the operating voltage range of the ATMEGA8A-PU?
- A: The ATMEGA8A-PU operates from 2.7V to 5.5V, making it suitable for battery and 5V logic applications.
- Q: How much flash memory does this MCU have?
- A: It features 8KB of in-system programmable flash memory (4K x 16 bits).
- Q: What package is the ATMEGA8A-PU available in?
- A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
- Q: Does it include a watchdog timer?
- A: Yes, it has a built-in Watchdog Timer (WDT) along with Brown-out Detection and Power-on Reset.
ATMEGA8A-PU.pdf
- Q: What is the operating voltage range of the ATMEGA8A-PU?
- A: The ATMEGA8A-PU operates from 2.7V to 5.5V, making it suitable for battery and 5V logic applications.
- Q: How much flash memory does this MCU have?
- A: It features 8KB of in-system programmable flash memory (4K x 16 bits).
- Q: What package is the ATMEGA8A-PU available in?
- A: It comes in a 28-pin DIP (0.300", 7.62mm) package, ideal for through-hole prototyping.
- Q: Does it include a watchdog timer?
- A: Yes, it has a built-in Watchdog Timer (WDT) along with Brown-out Detection and Power-on Reset.
