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Part Number: 74F401SC
Description: The 74F401 Cycle Redundancy Check (CRC) Generator/ Checker provides an advanced tool for implementing ...
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74F401SC
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General Description
74F401SC 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-ofeight generator polynomials. The list of polynomials includes CRC-16 and CRC-CCITT as well as their reciprocals (reverse polynomials). Automatic right justification is incorporated for polynomials of degree less than 16. Separate 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.
74F401SC Maximum Ratings
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 5) ........................................-0.5V to +7.0V
Input Current (Note 5) ..................................-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)
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 5) ........................................-0.5V to +7.0V
Input Current (Note 5) ..................................-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)
74F401SC Features
· Eight selectable polynomials
· Error indicator
· Separate preset and clear controls
· Automatic right justification
· Fully compatible with all TTL logic families
· 14-pin package
· 9401 equivalent
· Typical applications:
Floppy and other disk storage systems
Digital cassette and cartridge systems
Data communication systems
· Error indicator
· Separate preset and clear controls
· Automatic right justification
· Fully compatible with all TTL logic families
· 14-pin package
· 9401 equivalent
· Typical applications:
Floppy and other disk storage systems
Digital cassette and cartridge systems
Data communication systems
74F401SC Connection Diagram
74F401SC
PDF/DataSheet Download
- Datasheet: 74F401SC
- File Size: 61603 KB
- Manufacturer: FAIRCHILD [Fairchild Semiconductor]
- Click here to Download
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