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74F401SC Datasheet

  • 74F401SC

  • CRC Generator/Checker

  • 7頁

  • FAIRCHILD

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74F401 CRC Generator/Checker
April 1988
Revised August 1999
74F401
CRC Generator/Checker
General Description
The 74F401 Cycle Redundancy Check (CRC) Generator/
Checker provides an advanced tool for implementing the
most widely used error detection scheme in serial digital
data handling systems. A 3-bit control input selects one-of-
eight generator polynomials. The list of polynomials
includes CRC-16 and CRC-CCITT as well as their recipro-
cals (reverse polynomials). Automatic right justification is
incorporated for polynomials of degree less than 16. Sepa-
rate clear and preset inputs are provided for floppy disk
and other applications. The Error output indicates whether
or not a transmission error has occurred. Another control
input inhibits feedback during check word transmission.
The 74F401 is fully compatible with all TTL families.
Features
s
Eight selectable polynomials
s
Error indicator
s
Separate preset and clear controls
s
Automatic right justification
s
Fully compatible with all TTL logic families
s
14-pin package
s
9401 equivalent
s
Typical applications:
Floppy and other disk storage systems
Digital cassette and cartridge systems
Data communication systems
Ordering Code:
Order Number
74F401SC
74F401PC
Package Number
M14A
N14A
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Connection Diagram
漏 1999 Fairchild Semiconductor Corporation
DS009534
www.fairchildsemi.com

74F401SC 產(chǎn)品屬性

  • Fairchild Semiconductor

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