Microchip Technology ATMEGA324P-20MQ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $20.88 | $20.88 |
| 15+ | $4.80 | $72.00 |
| 25+ | $4.70 | $117.50 |
| 50+ | $4.44 | $222.00 |
| 100+ | $3.92 | $392.00 |
| N+ | $0.78 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® ATmega |
| Packaging | Tray | NULL |
| 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 | 32 |
| 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) | 2.7V ~ 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 | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |
The Microchip ATMEGA324P-20MQ is a high-performance, low-power 8-bit AVR microcontroller. Running at up to 20MHz, it features 32KB of flash memory and 2KB of SRAM. It operates over a wide voltage range of 2.7V to 5.5V, providing flexibility for both 3.3V and 5V designs. The device includes essential peripherals like PWM, brown-out detection, and a watchdog timer. Housed in a compact 44-pin VFQFN package with an exposed pad, it is rated for -40°C to 105°C, making it a robust choice for industrial and automotive applications.
- Wide Voltage Compatibility: Operates from 2.7V to 5.5V, simplifying design in mixed-voltage environments.
- High Temperature Rating: Rated for -40°C to 105°C, suitable for harsh under-hood or industrial settings.
- Proven AVR Architecture: The 8-bit AVR core is well-documented and easy to program, reducing development time.
- Compact Package: The 44-VFQFN with exposed pad offers excellent thermal performance in a small footprint.
Embedded Control Systems
The 20MHz AVR core and 5V operation make it ideal for controlling relays, solenoids, and other industrial actuators in legacy 5V systems.
Automotive Aftermarket
With a -40°C to 105°C range and robust I/O, it is suitable for engine control modules, lighting control, and sensor interfaces in vehicles.
Home Automation
Its low power consumption and wide voltage range allow for battery-powered Zigbee or proprietary RF sensor nodes and smart switches.
Hobbyist & Education
The simple AVR architecture and extensive documentation make it a popular choice for Arduino-compatible boards and learning platforms.
Industrial Sensors
It can interface with analog sensors via its ADC and provide PWM outputs for controlling fans or pumps in HVAC systems.
Medical Devices (Non-critical)
Its reliability and long-term availability make it suitable for devices like blood pressure monitors or infusion pumps.
- Q: What is the core architecture of the ATMEGA324P-20MQ?
- A: It is based on the 8-bit AVR RISC core, operating at up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: How much memory is available?
- A: It has 32KB of in-system programmable flash and 2KB of SRAM.
- Q: What are the key features?
- A: It includes brown-out detection, POR, PWM, and a watchdog timer for reliable operation.
- Q: What is the package and temperature rating?
- A: It comes in a 44-pin VFQFN exposed pad package and operates from -40°C to 105°C.
- Q: What is the core architecture of the ATMEGA324P-20MQ?
- A: It is based on the 8-bit AVR RISC core, operating at up to 20MHz.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: How much memory is available?
- A: It has 32KB of in-system programmable flash and 2KB of SRAM.
- Q: What are the key features?
- A: It includes brown-out detection, POR, PWM, and a watchdog timer for reliable operation.
- Q: What is the package and temperature rating?
- A: It comes in a 44-pin VFQFN exposed pad package and operates from -40°C to 105°C.

ATMEGA324P-20MQ.pdf