ATMEGA324P-20AU Microchip Integrated Circuit (Quad Flat Packages) In Stock
The ATMEGA324P-20AU is an 8-bit AVR RISC microcontroller from Microchip running up to 20MHz with 32KB Flash memory, 2KB SRAM, and I2C/SPI interfaces. It features ADC, boundary scan, and operates down to 2.7V at 10MHz in a 44-pin TQFP package. In stock worldwide with fast shipping from authorized distributors.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- ATMEGA324P-20AU Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.0857(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ATMEGA324P-20AU?
- 8-bit AVR RISC CPU running at up to 20MHz with 32KB in-system programmable Flash memory
- Low-power operation down to 2.7V at 10MHz for battery-powered and energy-sensitive applications
- Integrated ADC, I2C, and SPI peripherals in a compact 44-pin TQFP package with boundary scan support
- 2KB SRAM enabling efficient data buffering for real-time embedded control applications
What is ATMEGA324P-20AU used for?
The ATMEGA324P-20AU is a versatile microcontroller well suited for industrial automation, motor control, and embedded sensor nodes requiring reliable 8-bit processing with rich peripherals. Its dual USART, I2C, and SPI interfaces make it ideal for communication hubs in home automation and building control systems. Consumer electronics, robotics, and educational prototyping boards also commonly use this AVR MCU for its excellent performance-to-cost ratio.
What are the specifications of ATMEGA324P-20AU?
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 9Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | IT ALSO OPERATES AT 10 MHZ WITH THE 2.7 V |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | AVR RISC |
| Clock Frequency-Max | 8.1MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 32 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.47SQ,32 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 20MHz |
| Supply Current-Max | 9mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Taiwan, Thailand |
Where can I find the ATMEGA324P-20AU datasheet?
ATMEGA324P-20AU Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for ATMEGA324P-20AU?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the key specifications of the ATMEGA324P-20AU?
The ATMEGA324P-20AU is an 8-bit AVR RISC microcontroller with a maximum clock frequency of 20MHz, 32KB Flash program memory, 2KB SRAM, and 1KB EEPROM. It supports I2C, SPI, and dual USART communication interfaces in a 44-pin TQFP package.
What is the operating voltage range of the ATMEGA324P-20AU?
The ATMEGA324P-20AU operates at up to 20MHz with a supply voltage of 4.5V to 5.5V. It can also run at 10MHz when powered from as low as 2.7V, offering flexibility for battery-powered and low-power embedded system designs.
Does the ATMEGA324P-20AU have an ADC?
Yes, the ATMEGA324P-20AU includes an integrated ADC (analog-to-digital converter), allowing it to measure analog signals directly without external components, making it ideal for sensor data acquisition and industrial measurement applications.
What package does the ATMEGA324P-20AU use and is it RoHS compliant?
The ATMEGA324P-20AU is housed in a 44-pin TQFP (Thin Quad Flat Package) and is lead-free and RoHS compliant, making it compatible with modern environmentally conscious manufacturing processes.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.1400 | $6.14 |
| 25+ | $5.6300 | $140.75 |
| 30+ | $5.5100 | $165.30 |
| 43+ | $4.7143 | $202.71 |
| 55+ | $4.5571 | $250.64 |
| 74+ | $4.0857 | $302.34 |
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