74F280SCX

74F280SCX Datasheet

74F280 9-Bit Parity Generator/Checker

Part	Datasheet
74F280SCX	74F280SCX (pdf)

Related Parts	Information
74F280SJ	74F280SJ
74F280SJX	74F280SJX
74F280PC	74F280PC
74F280SC	74F280SC

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74F280 9-Bit Parity Generator/Checker 74F280 9-Bit Parity Generator/Checker The F280 is a high-speed parity generator/checker that accepts nine bits of input data and detects whether an even or an odd number of these inputs is HIGH. If an even number of inputs is HIGH, the Sum Even output is HIGH. If an odd number is HIGH, the Sum Even output is LOW. The Sum Odd output is the complement of the Sum Even output. Ordering Code: Order Number Package Number Package Description 74F280SC M14A 14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow 74F280SJ M14D 14-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide 74F280PC N14A 14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbols Connection Diagram IEEE/IEC 2000 Fairchild Semiconductor Corporation DS009512 74F280 Unit Loading/Fan Out Pin Names Description Data Inputs Odd Parity Output Even Parity Output U.L. HIGH/LOW Input IIH/IIL Output IOH/IOL 20 µA/−0.6 mA −1 mA/20 mA −1 mA/20 mA Truth Table H = HIGH Voltage Level L = LOW Voltage Level Number of HIGH Inputs 0, 2, 4, 6, 8 1, 3, 5, 7, 9 Outputs Even Logic Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. 74F280 Absolute Maximum Ratings Note 1 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 Input Voltage Note 2 −0.5V to +7.0V −0.5V to +7.0V Input Current Note 2 −30 mA to mA Voltage Applied to Output in HIGH State with VCC = 0V Standard Output 3-STATE Output −0.5V to VCC −0.5V to +5.5V Current Applied to Output in LOW State Max twice the rated IOL mA ESD Last Passing Voltage Min 4000V Recommended Operating Conditions Free Air Ambient Temperature Supply Voltage

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74F280 9-Bit Parity Generator/Checker
74F280
9-Bit Parity Generator/Checker

The F280 is a high-speed parity generator/checker that accepts nine bits of input data and detects whether an even or an odd number of these inputs is HIGH. If an even number of inputs is HIGH, the Sum Even output is HIGH. If an odd number is HIGH, the Sum Even output is LOW. The Sum Odd output is the complement of the Sum Even output.
Ordering Code:

Order Number Package Number

Package Description
74F280SC

M14A
14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow
74F280SJ

M14D
14-Lead Small Outline Package SOP , EIAJ TYPE II, 5.3mm Wide
74F280PC

N14A
14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC
2000 Fairchild Semiconductor Corporation DS009512
74F280

Unit Loading/Fan Out

Pin Names Description

Data Inputs Odd Parity Output Even Parity Output

U.L. HIGH/LOW

Input IIH/IIL Output IOH/IOL 20 µA/−0.6 mA −1 mA/20 mA −1 mA/20 mA

Truth Table

H = HIGH Voltage Level L = LOW Voltage Level

Number of HIGH Inputs
0, 2, 4, 6, 8 1, 3, 5, 7, 9

Outputs

Even

Logic Diagram

Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
74F280

Absolute Maximum Ratings Note 1

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 Input Voltage Note 2
−0.5V to +7.0V −0.5V to +7.0V

Input Current Note 2
−30 mA to mA

Voltage Applied to Output
in HIGH State with VCC = 0V Standard Output 3-STATE Output
−0.5V to VCC −0.5V to +5.5V

Current Applied to Output
in LOW State Max
twice the rated IOL mA

ESD Last Passing Voltage Min
4000V

Recommended Operating Conditions

Free Air Ambient Temperature Supply Voltage

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Datasheet ID: 74F280SCX 513311