* From the mechanical standpoint, adoption of LCC outline guarantees a solid and firm mating with carrier board hosting DUL making this product particularly suited for environments where mechanical vibrations are an issue.

* About power supply, two inputs are provided along with status indicators:

** VIN_AUX (available on request): this input is provided to implement a second power supply unit on carrier board (for example based on supercap or battery) that prevents power cut in case main supply experiences a glitch or a power cut. This option is a powerful weapon to face unpredictable power loss and to guarantee data integrity.

** Power rail switch indicator.

** to recover from unexpected power-off

[[File:Dul-ruler.png|thumbnail|center|]]

==Specification==

* Package outline: Leadless Chip Carrier LCC-68 (JEDEC MS004); 9 actual leads per side are implemented