Part # 54F402 datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: 54F402 Serial Data Polynomial Generator Checker

Part Details:

54F74F402 January 1995 54F 74F402 Serial Data Polynomial Serial Generator Checker General Description Features The F402 expandable Serial Data Polynomial generator Y Guaranteed 30 MHz data rate Data checker is an expandable version of the F401 It provides Y Six selectable polynomials an advanced tool for the implementation of the most widely Y Other polynomials available used error detection scheme in serial digital handling sys- Y Separate preset and clear controls tems A 4-bit control input selects one-of-six generator poly- Polynomial Y Expandable nomials The list of polynomials includes CRC-16 CRC- Y Automatic right justification CCITT and Ethernet as well as three other standard poly- Y Error output open collector nomials (56th order 48th order 32nd order) Individual clear Y and preset inputs are provided for floppy disk and other Typical applications applications The Error output indicates whether or not a Floppy and other disk storage systems transmission error has occurred The CWG Control input Digital cassette and cartridge systems inhibits feedback during check word transmission The Data communication systems F402 is compatible with FAST devices and with all TTL GeneratorChecker families Package Commercial Military Package Description Number 74F402PC N16E 16-Lead (0 300 Wide) Molded Dual-In-Line 54F402DM (Note 1)

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54F402.pdf Datasheet