Microchip Technology ATMEGA128A-MU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.86 | $6.86 |
| 15+ | $6.64 | $99.60 |
| 25+ | $6.50 | $162.50 |
| 50+ | $6.14 | $307.00 |
| 100+ | $5.42 | $542.00 |
| N+ | $1.08 | 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-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |  |
The ATMEGA128A-MU from Microchip Technology is a high-performance 8-bit AVR microcontroller. It features 128KB of flash memory, 4KB SRAM, and operates at speeds up to 16MHz. With a wide supply voltage range of 2.7V to 5.5V, it is designed for flexible embedded applications. The 64-VFQFN package provides a compact solution for space-constrained designs.
- Wide voltage range (2.7V-5.5V) enables direct battery operation without external regulators.
- 128KB flash allows complex firmware with room for bootloaders and data logging.
- Integrated brown-out detection and watchdog timer enhance system reliability in harsh environments.
- 64-pin QFN package offers a small footprint while providing ample I/O for peripheral connectivity.
Industrial Control Systems
The 16MHz AVR core with 128KB flash and 4KB SRAM handles real-time control loops and sensor interfacing in PLCs and motor controllers.
Automotive Aftermarket
With a 2.7V-5.5V supply and -40°C to 85°C range, it suits automotive body control modules and diagnostic tools.
Smart Energy Meters
Low-power modes and brown-out detection ensure reliable operation in utility meters, logging consumption data over long periods.
Medical Monitoring Devices
The PWM and watchdog timer support precise signal generation and system recovery in portable patient monitors.
Home Automation Gateways
Its rich I/O and serial interfaces enable Zigbee or Z-Wave coordination in smart home hubs.
Robotics Controllers
Multiple PWM channels and fast interrupt response make it ideal for servo and stepper motor control in educational robots.
- Q: What is the maximum operating frequency of the ATMEGA128A-MU?
- A: The ATMEGA128A-MU operates at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash memory does it have?
- A: It has 128KB of in-system programmable flash.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.
ATMEGA128A-MU.pdf
- Q: What is the maximum operating frequency of the ATMEGA128A-MU?
- A: The ATMEGA128A-MU operates at up to 16MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: How much flash memory does it have?
- A: It has 128KB of in-system programmable flash.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.
