Microchip Technology ATMEGA128A-AUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.03 | $7.03 |
| 15+ | $6.81 | $102.15 |
| 25+ | $6.66 | $166.50 |
| 50+ | $6.29 | $314.50 |
| 100+ | $5.55 | $555.00 |
| N+ | $1.11 | 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 | 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 Microchip ATMEGA128A-AUR is a high-performance 8-bit AVR microcontroller with 128KB of flash memory and 4KB SRAM. Operating at up to 16MHz with a supply voltage from 2.7V to 5.5V, it delivers efficient processing for a wide range of embedded applications. Its 64-TQFP package is ideal for space-constrained designs, while integrated features like brown-out detection, POR, PWM, and WDT enhance system reliability.
- Large Memory Footprint: 128KB flash and 4KB SRAM enable complex firmware and data buffering without external memory.
- Wide Voltage Tolerance: 2.7V-5.5V operation simplifies power supply design and supports battery or regulated supplies.
- Reliable Operation: Built-in brown-out reset and watchdog timer prevent system crashes in noisy environments.
- Compact Packaging: 64-TQFP saves PCB space while providing ample I/O for peripheral integration.
Industrial Control Systems
The ATMEGA128A-AUR's 128KB flash and 4KB SRAM provide ample space for complex control algorithms in PLCs and motor controllers, while its 16MHz speed ensures responsive real-time processing.
Automotive Aftermarket Modules
With a wide 2.7V-5.5V supply range and robust I/O, this MCU is ideal for aftermarket automotive sensors and dashboard modules that must tolerate voltage fluctuations.
Smart Sensor Nodes
Its low-power sleep modes and integrated watchdog timer make it suitable for battery-powered environmental sensors that require periodic wake-up and data logging.
Medical Monitoring Devices
The -40°C to 85°C operating range and reliable POR/Brown-out detection ensure stable operation in portable medical equipment like glucose meters and pulse oximeters.
Home Automation Hubs
Multiple PWM channels and UART/SPI interfaces allow the ATMEGA128A-AUR to manage lighting dimming, motorized blinds, and communication with wireless modules in smart home gateways.
Educational Robotics Kits
Its DIP-compatible TQFP footprint and extensive documentation make it a preferred choice for university robotics projects requiring a balance of performance and ease of programming.
- Q: What is the maximum operating frequency of the ATMEGA128A-AUR?
- A: The ATMEGA128A-AUR operates at up to 16MHz with a supply voltage range of 2.7V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It features 128KB of in-system programmable flash memory, organized as 64K x 16 bits.
- Q: What package is the ATMEGA128A-AUR available in?
- A: It comes in a 64-pin TQFP package, suitable for surface-mount assembly.
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator along with other peripherals like PWM and WDT.
ATMEGA128A-AUR.pdf
- Q: What is the maximum operating frequency of the ATMEGA128A-AUR?
- A: The ATMEGA128A-AUR operates at up to 16MHz with a supply voltage range of 2.7V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It features 128KB of in-system programmable flash memory, organized as 64K x 16 bits.
- Q: What package is the ATMEGA128A-AUR available in?
- A: It comes in a 64-pin TQFP package, suitable for surface-mount assembly.
- Q: Does it include analog comparators?
- A: Yes, it includes an analog comparator along with other peripherals like PWM and WDT.
