Microchip Technology ATMEGA128L-8AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $24.00 | $24.00 |
| 15+ | $23.24 | $348.60 |
| 25+ | $22.73 | $568.25 |
| 50+ | $21.47 | $1,073.50 |
| 100+ | $18.95 | $1,895.00 |
| N+ | $3.79 | 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 | 8MHz |
| 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 ATMEGA128L-8AU is a high-performance 8-bit AVR microcontroller from Microchip, featuring 128KB flash memory and 4KB SRAM. It operates at 8MHz with a supply voltage range of 2.7V to 5.5V, making it versatile for low-power and industrial applications. The 64-TQFP package offers a compact footprint for space-constrained designs.
- Low power consumption: 8MHz operation at 2.7V minimizes energy usage for battery-powered devices.
- Large memory: 128KB flash and 4KB SRAM support complex firmware and data buffering.
- Robust protection: Brown-out detect and watchdog timer enhance system reliability.
- Wide temperature range: -40°C to 85°C ensures operation in harsh environments.
Industrial Control Systems
With 128KB flash and 4KB SRAM, it handles complex control loops and data logging in PLCs and motor controllers.
Battery-Powered Devices
Operating at 2.7V and 8MHz, it extends battery life in portable medical monitors and handheld meters.
Automotive Aftermarket
Wide temperature range (-40°C to 85°C) and WDT ensure reliable operation in engine control units and sensor hubs.
Smart Sensors
Integrated ADC and PWM enable precise signal conditioning for temperature, pressure, and flow sensors.
Home Automation
Low-power sleep modes and fast wake-up make it ideal for smart thermostats and security keypads.
Embedded Networking
External bus interface supports Ethernet controllers for IoT gateway applications.
- Q: What is the operating voltage range?
- A: 2.7V to 5.5V, suitable for battery and 5V systems.
- Q: What is the maximum clock speed?
- A: 8MHz, optimized for low power consumption.
- Q: How much flash memory is available?
- A: 128KB of in-system programmable flash.
- Q: What package is available?
- A: 64-TQFP, ideal for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it features an analog comparator for signal monitoring.
- Q: What is the operating voltage range?
- A: 2.7V to 5.5V, suitable for battery and 5V systems.
- Q: What is the maximum clock speed?
- A: 8MHz, optimized for low power consumption.
- Q: How much flash memory is available?
- A: 128KB of in-system programmable flash.
- Q: What package is available?
- A: 64-TQFP, ideal for compact PCB designs.
- Q: Does it include analog comparators?
- A: Yes, it features an analog comparator for signal monitoring.

ATMEGA128L-8AU.pdf