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74F402PC

Arithmetic Logic Unit (ALU) Ser Data Pol Gen/Che

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SeekIC No. : 00402080 Detail

74F402PC: Arithmetic Logic Unit (ALU) Ser Data Pol Gen/Che

74F402PC Data Sheet

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Part Number:
74F402PC
Mfg:
Fairchild Semiconductor
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: 2024/6/10

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Product Details

Description

High Level Output Current :
Low Level Output Current :
Propagation Delay Time :
Supply Voltage - Max :
Supply Voltage - Min :
Package / Case :
Maximum Operating Temperature :
Packaging :


Features:

·  Guaranteed 30 MHz data rate
·  Six selectable polynomials
·  Other polynomials available
·  Separate preset and clear controls
·  Expandable
·  Automatic right justification
·  Error output open collector
·  Typical applications: Floppy and other disk storage systems
  Digital cassette and cartridge systems Data communication systems


Pinout

Connection Diagram


Specifications

Storage Temperature .....................................-65°C to +150°C
Ambient Temperature under Bias ...................-55°C to +125°C
Junction Temperature under Bias................... -55°C to +150°C
VCC Pin Potential to Ground Pin .........................-0.5V to +7.0V
Input Voltage (Note 3)....................................... -0.5V to +7.0V
Input Current (Note 3) .................................-30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output................................................... -0.5V to VCC
3-STATE Output ..................................................-0.5V to +5.5V
Current Applied to Output
in LOW State (Max)............................. twice the rated IOL (mA)


Description

The 74F402PC expandable Serial Data Polynomial generator/ checker is an expandable version of the 74F401. It provides an advanced tool for the implementation of the most widely used error detection scheme in serial digital handling systems. A 4-bit control input selects one-of-six generator polynomials. The list of polynomials of the 74F402PC includes CRC- 16, CRC-CCITT and Ethernetâ, as well as three other standard polynomials (56th order, 48th order, 32nd order). Individual clear and preset inputs are provided for floppy disk and other applications. The Error output indicates whether or not a transmission error has occurred. The CWG Control input inhibits feedback during check word transmission. The 74F402 is compatible with FASTâ devices and with all TTL families.




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