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74F280PC 반도체 회로 부품 판매점

9-Bit Parity Generator/Checker



Fairchild 로고
Fairchild
74F280PC 데이터시트, 핀배열, 회로
April 1988
Revised August 1999
74F280
9-Bit Parity Generator/Checker
General Description
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 out-
put.
Ordering Code:
Order Number Package Number
Package Description
74F280SC
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 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, 0.300 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
© 1999 Fairchild Semiconductor Corporation DS009512
www.fairchildsemi.com


74F280PC 데이터시트, 핀배열, 회로
Unit Loading/Fan Out
Pin Names Description
I0–I8
O
E
Data Inputs
Odd Parity Output
Even Parity Output
U.L.
HIGH/LOW
1.0/1.0
50/33.3
50/33.3
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
I0–I8
0, 2, 4, 6, 8
1, 3, 5, 7, 9
Outputs
Even
Odd
HL
LH
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.
www.fairchildsemi.com
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