Microchip Technology ATMEGA328PB-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.00 | $2.00 |
| 15+ | $1.84 | $27.60 |
| 25+ | $1.80 | $45.00 |
| 50+ | $1.70 | $85.00 |
| 100+ | $1.50 | $150.00 |
| N+ | $0.30 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega, Functional Safety (FuSa) |
| Packaging | Tray | |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 27 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 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 | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The ATMEGA328PB-AU from Microchip is a high-performance 8-bit AVR MCU. It operates from 1.8V to 5.5V at up to 20MHz, providing 32KB flash and 2KB SRAM in a compact 32-TQFP package. Ideal for demanding embedded applications.
- Extended temperature range (-40°C to 85°C) for harsh environments.
- 20MHz performance with 32KB flash for complex firmware.
- Low-voltage operation (1.8V) for battery-powered designs.
- Integrated brown-out reset and watchdog for system reliability.
Industrial Automation
With 20MHz speed and 32KB flash, it handles complex control loops in PLCs and motor controllers.
IoT Sensor Nodes
Low 1.8V operation and multiple PWM channels enable battery-powered environmental monitoring.
Robotics
Rich peripheral set including WDT and brown-out detection ensures reliable servo and stepper control.
Smart Home Hubs
2KB SRAM supports protocol stacks for Zigbee or custom RF mesh networking.
Automotive Aftermarket
Wide voltage tolerance and robust I/O make it suitable for dashboards and telematics.
Medical Devices
Deterministic AVR core and POR ensure safe operation in portable diagnostic tools.
- Q: What is the operating voltage range?
- A: 1.8V to 5.5V.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: How much flash memory does it have?
- A: 32KB.
- Q: What package is available?
- A: 32-TQFP.
- Q: What is the temperature range?
- A: -40°C to 85°C.
ATMEGA328PB-AU.pdf
- Q: What is the operating voltage range?
- A: 1.8V to 5.5V.
- Q: What is the maximum clock speed?
- A: 20MHz.
- Q: How much flash memory does it have?
- A: 32KB.
- Q: What package is available?
- A: 32-TQFP.
- Q: What is the temperature range?
- A: -40°C to 85°C.
