Serial Data Polynomial Generator/Checker

The F402 expandable Serial Data Polynomial generator/ checker is an expandable version of the F401. It provides an advanced tool for the implementation of the most widely used error detection scheme in serial digital handling sys- tems. A 4-bit control input selects one-of-six generator poly- nomials. The list of polynomials includes CRC-16, CRC- CCITT and Ethernet as well as three other standard poly- nomials (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 F402 is compatible with FAST devices and with all TTL families. Y Y Y Y Y Y Y Y By National Semiconductor Corporation
74F402 's Packages74F402 's pdf datasheet

74F402 Pinout, Pinouts
74F402 pinout,Pin out
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