How USB Flash Drive Works? Working of USB Flash Drive Explained with 3D Animation

3D Animation Tech

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Transcript

00:00The person who invented the USB flash drive is a genius.

00:03How did he save data for decades without power?

00:06The root of the problem lies in this NAND flash memory chip.

00:09Let's look at it with a magnifying glass.

00:12It consists of a V-type Fuchon-Mosfet transistor.

00:16Each transistor can store charge.

00:18A single Fuchon-Mosfet transistor consists of two ridges.

00:22One is Fuchon, which functions as a container.

00:25The other is called the control ridge,

00:27which controls the attraction or repulsion of the electron power plant.

00:31They are separated by the insulating material.

00:34Now let's see how it reads data.

00:36Before that, first learn a bit about storing electrons.

00:39If there is current passing through, the stored electrons are represented as zero.

00:43If not, it is empty, indicating one.

00:46Let's look down.

00:47Now there is an electron in the Fuchon.

00:49The current will increase, and the current will not flow through the bottom,

00:53causing the state of this position to be zero.

00:56When there is no electron in the Fuchon, the current flows through the transistor,

01:00and the state of this position is one.

01:02This is how data is read.

01:04Now the question is, how does it store or delete data?

01:08At this time, a relatively high voltage will be applied to the transistor.

01:12The control ridge will capture the electrons into the ridge to complete the data storage.

01:17To delete the data, the appropriate voltage will be applied to the transistor.

01:22The control ridge will push the electrons into the substrate, and the data will be deleted.

01:27Of course, when working, it is completed by the blocks composed of ridges.

01:31Finally, hundreds of millions of blocks are used to form the NAND memory chip.

01:36Remind you that each storage or deletion will be destructive to the flash memory unit,

01:41so the life of the USB flash drive is still limited.

01:45This is the plastic shell of the USB flash drive, and there is also a USB interface.

01:51This is the control chip, and a crystal oscillator.

01:54These important components make up the USB flash drive.

01:57Do you understand now?

01:59Like and follow for more informative 3D videos.

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