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Q.

What is a Pendrive Device made of?

Tags: electronics, science, technology
Asked by ponnuswami selvaraj, 25 Mar '10 07:13 pm
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Answers (3)

1.

The main components are Memory, Controller, Oscillator and USB

Go through this awesome insight of Pen Drive
http://www.engineersgarage.com/insight/how-pen-drive-usb-f lash-drive-works
Answered by Madhavi Sharma, 25 Feb '12 10:26 pm

 
  
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2.

A flash drive consists of a small printed circuit board carrying the circuit elements and a USB connector, insulated electrically and protected inside a plastic, metal, or rubberized case which can be carried in a pocket or on a key chain, for example. The USB connector may be protected by a removable cap or by retracting into the body of the drive, although it is not likely to be damaged if unprotected. Most flash drives use a standard type-A USB connection allowing plugging into a port on a personal computer, but drives for other interfaces also exist.
Answered by venkatesaldevarajan, 25 Mar '10 07:50 pm

 
  
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3.

A USB flash drive consists of flash memory data storage device integrated with a USB (Universal Serial Bus) 1.1 or 2.0 interface. USB flash drives are typically removable and rewritable, much smaller than a floppy disk, and most weigh less than 30 g. Storage capacities in 2010 can be as large as 256 GB.
There are typically four parts to a flash drive:
Male type-A USB connector provides an interface to the host computer.
USB mass storage controller implements the USB host controller. The controller contains a small microcontroller with a small amount of on-chip ROM and RAM.
NAND flash memory chip stores data. NAND flash is typically also used in digital cameras.
Crystal oscillator produces the device's main 12 MHz clock signal and controls the device's data output through a phase-locked loop.
Additional components
The typical device may also include:
Jumpers and test pins for testing during the flash drive's manufacturing or loading code into the microprocessor.
LEDs indi ...more
Answered by Dinesh Manaktala, 25 Mar '10 07:20 pm

 
  
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