AVR64DD14 Microchip Integrated Circuit (Small Outline Packages) In Stock
AVR64DD14 is a low-pin-count 8-bit AVR microcontroller with 64 KB Flash, 8 KB SRAM, and 256 bytes EEPROM running up to 24 MHz. It features a 14-pin package with multiple analog and digital peripherals for embedded control. Ideal for cost-sensitive IoT nodes, sensor interfaces, and industrial automation tasks.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- AVR64DD14 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 64 KB Flash program memory with 8 KB SRAM for data-intensive embedded applications
- Up to 24 MHz CPU clock enabling real-time control and fast peripheral servicing
- 14-pin compact package minimizing board area in space-constrained designs
- 256 bytes EEPROM for non-volatile parameter and calibration data storage
- Rich peripheral set including UART, SPI, I2C, and multi-channel ADC
Applications
The AVR64DD14 is designed for compact embedded control applications such as smart sensor nodes, home automation accessories, and small industrial actuator controllers where a 14-pin package and 64 KB program space are advantageous. Its 24 MHz clock and integrated analog peripherals support real-time signal conditioning and low-latency communication in battery-powered IoT devices. It also fits motor control, LED dimmer, and appliance control boards where code density and low active current matter.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much Flash and SRAM does the AVR64DD14 provide, and are they sufficient for typical sensor firmware?
The AVR64DD14 provides 64 KB of Flash program memory and 8 KB of SRAM, which comfortably accommodates typical sensor firmware stacks including communication protocol libraries, signal filtering algorithms, and application logic, making it well-suited for IoT edge nodes and industrial measurement devices.
At what maximum clock frequency does the AVR64DD14 operate, and how does this compare to classic ATmega parts?
The AVR64DD14 runs at up to 24 MHz, which is 50% faster than the classic ATmega328P's 20 MHz maximum, allowing the DD14 to handle more complex control loops and faster UART or SPI communication without increasing supply voltage, benefiting battery-powered designs.
Which communication interfaces are integrated into the AVR64DD14, and how does this reduce BOM complexity?
The AVR64DD14 integrates USART, SPI, and TWI (I2C) interfaces on-chip alongside a multi-channel 10-bit ADC, eliminating the need for external interface bridge ICs in most sensor and actuator designs and reducing BOM by several components at the cost of a compact 14-pin SOIC or TSSOP footprint.
When would an engineer choose AVR64DD14 over a larger 28-pin AVR for a motor driver reference design?
An engineer selects the AVR64DD14 when the motor control algorithm requires fewer than 10 I/O pins and 64 KB of Flash is sufficient, as the 14-pin package saves approximately 30% PCB area compared to a 28-pin DIP or SOIC, reducing manufacturing cost and enabling a smaller drive module form factor.
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