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V4082

Features: · Unique 48-bit silicon serial number gives 1014 combinations· Factory lasered and tested, no two parts alike· 8-bit cyclic redundancy check ensures error-free reading· Presence detect indicates to the system when first contact is made· Zero standby power required· Custom serial numbers ...

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SeekIC No. : 004539808 Detail

V4082: Features: · Unique 48-bit silicon serial number gives 1014 combinations· Factory lasered and tested, no two parts alike· 8-bit cyclic redundancy check ensures error-free reading· Presence detect ind...

V4082 Data Sheet

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Part Number:
V4082
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/26

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Product Details

Description



Features:

·  Unique 48-bit silicon serial number gives 1014 combinations
·  Factory lasered and tested, no two parts alike
·  8-bit cyclic redundancy check ensures error-free reading
·  Presence detect indicates to the system when first contact is made
·  Zero standby power required
·  Custom serial numbers available
·  Pin compatible with DS 2400, DS 2401 in TO-92 and SOT-223



Application

·  Socket identification
·  PCB identification
·  Equipment registration


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Voltage on Data Pin vs VSS
VDATA
-0.5 to 7.0V
Max. injected current into DATA pin
Idata
-20 to +20 mA
Storage Temperature
TSTD
-55 to +125
Power Dissipation
Pw
10 mW
Stresses above these listed maximum ratings may cause permanent damages to the device. Exposure beyond specified operating conditions may affect device reliability or cause malfunction.


Description

The V4082 is a 64-bit read only memory (ROM) which contains a unique laser engraved serial number. The data in the ROM is partitioned into three sections: An 8- bit identifier code, a 48-bit serial number and an 8-bit cyclical redundancy check (CRC). The serial number is incremented in fabrication such that no two parts have the same code. Communication for reading and writing is done serially via a single data lead (and ground return) using a single wire protocol. Power for reading is derived from the data line itself with no need for an extra power source. The circuit is available in SOT 223 or TO 92 package.




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