Microchip Technology ATMEGA328PB-AN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.50 | $3.50 |
| 15+ | $3.39 | $50.85 |
| 25+ | $3.32 | $83.00 |
| 50+ | $3.14 | $157.00 |
| 100+ | $2.77 | $277.00 |
| N+ | $0.55 | 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 ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-TQFP (7x7) |
| Package / Case | 32-TQFP |
| ROHS |  |
The Microchip ATMEGA328PB-AN is a high-performance 8-bit AVR microcontroller in a compact 32-TQFP package. It delivers 20MHz processing speed with 32KB flash and 2KB SRAM, operating from 1.8V to 5.5V. Built-in brown-out detection, power-on reset, and watchdog timer ensure dependable operation in industrial and automotive environments from -40°C to 105°C.
- Extended Temperature Range: Operates from -40°C to 105°C, exceeding standard commercial grades for industrial reliability.
- High Throughput: 20MHz AVR core executes most instructions in a single cycle, achieving 20 MIPS for time-critical tasks.
- Low Voltage Flexibility: Supports 1.8V to 5.5V, allowing direct battery operation or 3.3V/5V logic compatibility.
- Integrated Safety Features: Brown-out reset and watchdog timer prevent system corruption during power glitches.
Industrial Automation Controllers
With a 20MHz AVR core and robust I/O, the ATMEGA328PB-AN handles real-time control loops in PLCs and industrial sensors, operating reliably up to 105°C.
Smart Home Hubs
Its 32KB flash and 2KB SRAM support complex protocols like Zigbee or Z-Wave bridging, while the PWM channels drive dimmers and motorized blinds.
Portable Medical Devices
The 1.8V low-voltage operation enables battery-powered glucose meters or pulse oximeters, with the watchdog timer ensuring system integrity.
Automotive Aftermarket Sensors
Designed for 12V systems with internal brown-out detection, it monitors tire pressure or battery health in engine bays where temperatures reach 105°C.
Precision Agriculture Equipment
The multiple 16-bit timers and PWM outputs control variable-rate irrigation valves, while the 10-bit ADC reads soil moisture sensors accurately.
Robotics Kits
With 20MIPS throughput and 32 TQFP pins, it coordinates servo motors and encoders in educational robots, offering a balance of power and size.
- Q: What is the maximum clock speed of the ATMEGA328PB-AN?
- A: The ATMEGA328PB-AN operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It features 32KB of in-system programmable flash memory, along with 2KB of SRAM.
- Q: What package is the ATMEGA328PB-AN available in?
- A: It comes in a 32-pin TQFP package, suitable for compact PCB designs.
- Q: What is the operating temperature range?
- A: The industrial temperature range is -40°C to 105°C, making it suitable for harsh environments.
ATMEGA328PB-AN.pdf
- Q: What is the maximum clock speed of the ATMEGA328PB-AN?
- A: The ATMEGA328PB-AN operates at up to 20MHz with a supply voltage range of 1.8V to 5.5V.
- Q: How much flash memory does this MCU have?
- A: It features 32KB of in-system programmable flash memory, along with 2KB of SRAM.
- Q: What package is the ATMEGA328PB-AN available in?
- A: It comes in a 32-pin TQFP package, suitable for compact PCB designs.
- Q: What is the operating temperature range?
- A: The industrial temperature range is -40°C to 105°C, making it suitable for harsh environments.
