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54F402FM Folha de dados(PDF) 1 Page - National Semiconductor (TI) |
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54F402FM Folha de dados(HTML) 1 Page - National Semiconductor (TI) |
1 / 12 page TLF9535 January 1995 54F74F402 Serial Data Polynomial GeneratorChecker General Description 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 Features Y Guaranteed 30 MHz data rate Y Six selectable polynomials Y Other polynomials available Y Separate preset and clear controls Y Expandable Y Automatic right justification Y Error output open collector Y Typical applications Floppy and other disk storage systems Digital cassette and cartridge systems Data communication systems Commercial Military Package Package Description Number 74F402PC N16E 16-Lead (0300 Wide) Molded Dual-In-Line 54F402DM (Note 1) J16A 16-Lead Ceramic Dual-In-Line 54F402FM (Note 1) W16A 16-Lead Cerpack 54F402LM (Note 1) E20A 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbol Connection Diagrams TLF9535 – 4 Pin Assignment for DIP SOIC and Flatpak TLF9535 – 1 Pin Assignment for LCC TLF9535 – 2 TRI-STATE is a registered trademark of National Semiconductor Corporation Ethernet is a registered trademark of Xerox Corporation C1995 National Semiconductor Corporation RRD-B30M105Printed in U S A |
Nº de peça semelhante - 54F402FM |
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Descrição semelhante - 54F402FM |
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