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74F280
54F 74F280 9-Bit Parity Generator Checker General Description Features 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 Y Commercial Guaranteed 4000V minimum ESD protection Package Number Military 74F280PC Package Description N14A 14-Lead (0 300 Wide) Molded Dual-In-Line J14A 14-Lead Ceramic Dual-In-Line 74F280SC (Note 1) M14A 14-Lead (0 150 Wide) Molded Small Outline JEDEC 74F280SJ (Note 1) M14D 14-Lead (0 300 Wide) Molded Small Outline EIAJ 54F280FM (Note 2) W14B 14-Lead Cerpack 54F280LM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier Type C 54F280DM (Note 2) Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9512–3 IEEE IEC TL F 9512 – 1 TL F 9512 – 2 TL F 9512–5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9512 RRD-B30M115 Printed in U S A 54F 74F280 9-Bit Parity Generator Checker August 1995 Absolute Maximum Ratings (Note 1) Recommended Operating Conditions If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Storage Temperature b 65 C to a 150 b 55 C to a 125 b 55 C to a 175 b 55 C to a 150 Ambient Temperature under Bias Junction Temperature under Bias Plastic Free Air Ambient Temperature Military Commercial C C C C b 55 C to a 125 C 0 C to a 70 C Supply Voltage Military Commercial a 4 5V to a 5 5V a 4 5V to a 5 5V VCC Pin Potential to Ground Pin b 0 5V to a 7 0V b 0 5V to a 7 0V Input Voltage (Note 2) b 30 mA to a 5 0 mA Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC e 0V) b 0 5V to VCC Standard Output b 0 5V to a 5 5V TRI-STATE Output Current Applied to Output in LOW State (Max) twice the rated IOL (mA) ESD Last Passing Voltage (Min) 4000V Note 1 Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired Functional operation under these conditions is not implied Note 2 Either voltage limit or current limit is sufficient to protect inputs DC Electrical Characteristics Symbol 54F 74F Parameter Min VIH Input HIGH Voltage VIL Input LOW Voltage VCD Input Clamp Diode Voltage VOH Output HIGH Voltage 54F 10% VCC 74F 10% VCC 74F 5% VCC VOL Output LOW Voltage 54F 10% VCC 74F 10% VCC IIH Input HIGH Current IBVI Typ Units VCC Conditions Max 20 V Recognized as a HIGH Signal 08 V b1 2 V Min IIN e b18 mA V Min IOH e b1 mA IOH e b1 mA IOH e b1 mA 05 05 V Min IOL e 20 mA IOL e 20 mA 54F 74F 20 0 50 mA Max VIN e 2 7V Input HIGH Current Breakdown Test 54F 74F 100 70 mA Max VIN e 7 0V ICEX Output HIGH Leakage Current 54F 74F 250 50 mA Max VOUT e VCC VID Input Leakage Test V 00 IID e 1 9 mA All Other Pins Grounded IOD Output Leakage Circuit Current 3 75 mA 00 VIOD e 150 mV All Other Pins Grounded IIL Input LOW Current IOS Output Short-Circuit Current ICCH Power Supply Current 74F 25 25 27 4 75 74F Recognized as a LOW Signal b0 6 25 3 mA Max VIN e 0 5V b 150 b 60 mA Max VOUT e 0V 38 mA Max VO e HIGH
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