Microchip Technology ATMEGA328-AU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.00 | $4.00 |
| 15+ | $3.87 | $58.05 |
| 25+ | $3.79 | $94.75 |
| 50+ | $3.58 | $179.00 |
| 100+ | $3.16 | $316.00 |
| N+ | $0.63 | 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 | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 23 |
| 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 ATMEGA328-AU from Microchip is a high-performance 8-bit AVR microcontroller in a 32-TQFP package. It features 32KB flash, 2KB SRAM, and operates from 1.8V to 5.5V at up to 20MHz. With integrated PWM, WDT, and brown-out reset, it is a popular choice for embedded control, prototyping, and automation systems.
- Large 32KB flash enables complex firmware with room for bootloaders.
- Wide voltage range (1.8V-5.5V) simplifies mixed-voltage system design.
- Industry-standard AVR core with extensive community and toolchain support.
- TQFP package offers good thermal and mechanical stability for industrial use.
3D Printer Controllers
32KB flash and 20MHz speed handle stepper motor timing and temperature PID loops, with PWM for heater control.
Arduino-Compatible Prototypes
Pin-compatible with popular Arduino boards, enabling rapid development for hobbyist and educational projects.
Home Automation Hubs
1.8V-5.5V range allows direct interfacing with 3.3V sensors and 5V relays, simplifying level shifting.
Drone Flight Controllers
Lightweight TQFP package and 2KB SRAM support basic stabilization algorithms for small quadcopters.
Industrial Data Loggers
WDT and brown-out reset ensure reliable long-term logging in harsh environments with power fluctuations.
Smart Agriculture Sensors
Low-voltage operation and multiple I/O pins connect soil moisture and temperature sensors for field monitoring.
- Q: What is the flash memory size?
- A: 32KB (16K x 16), with 2KB SRAM.
- Q: What package is this?
- A: 32-TQFP, suitable for surface-mount assembly.
- Q: What voltage does it need?
- A: 1.8V to 5.5V, flexible for various power rails.
- Q: Does it have PWM?
- A: Yes, multiple PWM channels for motor and LED control.
ATMEGA328-AU.pdf
- Q: What is the flash memory size?
- A: 32KB (16K x 16), with 2KB SRAM.
- Q: What package is this?
- A: 32-TQFP, suitable for surface-mount assembly.
- Q: What voltage does it need?
- A: 1.8V to 5.5V, flexible for various power rails.
- Q: Does it have PWM?
- A: Yes, multiple PWM channels for motor and LED control.
