Microchip Technology ATMEGA128A-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.00 | $9.00 |
| 15+ | $8.71 | $130.65 |
| 25+ | $8.52 | $213.00 |
| 50+ | $8.05 | $402.50 |
| 100+ | $7.10 | $710.00 |
| N+ | $1.42 | 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 | EBI/EMI, I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 53 |
| Program Memory Size | 128KB (64K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 4K 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 | 64-TQFP (14x14) |
| Package / Case | 64-TQFP |
| ROHS |
The ATMEGA128A-AU is an 8-bit AVR MCU from Microchip with 128KB flash and 4KB RAM. Running at 16MHz with 2.7-5.5V supply, it offers PWM, WDT, and brown-out detection in a 64-TQFP package for versatile control applications.
- 128KB flash: Large memory for complex programs.
- 5V operation: Compatible with legacy TTL logic.
- 16MHz AVR core: Efficient single-cycle instructions.
- 64-TQFP: Compact with good I/O density.
3D Printers
128KB flash stores complex G-code interpreters; 4KB RAM handles motion buffers.
Home Automation
5V operation and PWM for lighting and motor control.
Data Acquisition
Multiple ADC channels with 16MHz sampling for sensor arrays.
Retro Gaming
AVR architecture with ample flash for emulator firmware.
Battery Chargers
PWM and WDT ensure safe charging profiles.
Educational Kits
Well-documented AVR core ideal for learning embedded systems.
- Q: What is the core?
- A: AVR 8-bit.
- Q: What is the max speed?
- A: 16MHz.
- Q: How much flash?
- A: 128KB.
- Q: What is the package?
- A: 64-TQFP.
- Q: What is the core?
- A: AVR 8-bit.
- Q: What is the max speed?
- A: 16MHz.
- Q: How much flash?
- A: 128KB.
- Q: What is the package?
- A: 64-TQFP.

ATMEGA128A-AU.pdf