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54F181

National Semiconductor
Part Number 54F181
Manufacturer National Semiconductor
Description 4-Bit Arithmetic Logic
Published Aug 5, 2016
Detailed Description 54F 74F181 4-Bit Arithmetic Logic Unit August 1995 54F 74F181 4-Bit Arithmetic Logic Unit General Description The ’F1...
Datasheet PDF File 54F181 PDF File

54F181
54F181

Overview
54F 74F181 4-Bit Arithmetic Logic Unit August 1995 54F 74F181 4-Bit Arithmetic Logic Unit General Description The ’F181 is a 4-bit Arithmetic logic Unit (ALU) which can perform all the possible 16 logic operations on two variables and a variety of arithmetic operations It is 40% faster than the Schottky ALU and only consumes 30% as much power Features Y Full lookahead for high-speed arithmetic operation on long words Y Guaranteed 4000V minimum ESD protection Commercial Military Package Number Package Description 74F181PC N24A 24-Lead (0 600 Wide) Molded Dual-In-Line 74F181SPC N24C 24-Lead (0 300 Wide) Molded Dual-In-Line 54F181DM (Note 2) J24A 24-Lead Ceramic Dual-In-Line 54F181SDM (Note 2) J24F 24-Lead (0 300 ) Ceramic Dual-In-Line 74F181SC (Note 1) M24B 24-Lead (0 300 ) Molded Small Outline JEDEC 54F181FM (Note 2) W24C 24-Lead Cerpack 54F181LM (Note 2) E28A 24-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SCX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC Obsolete TL F 9491 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9491 TL F 9491 – 2 RRD-B30M105 Printed in U S A Logic Symbols Active-HIGH Operands Active-LOW Operands IEEE IEC Obsolete TL F 9491–3 TL F 9491 – 4 Unit Loading Fan Out 54F 74F Pin Names Description U L Input IIH IIL HIGH LOW Output IOH IOL A0 – A3 B0 – B3 S0 – S3 M Cn F0 – F3 AeB G P Cn a 4 A Operand Inputs (Active LOW) B Operand Inputs (Active LOW) Function Select Inputs Mode Control Input Carry Input Function Outputs (Active LOW) Comparator Output Carry Generate Output (Active LOW) Carry Propagate Output (Active LOW) Carry Output 10 30 10 30 10 40 10 10 10 50 50 33 3 OC 33 3 50 33 3 50 33 3 50 33 3 20 mA b1 8 mA 20 mA b1 8 mA 20 mA b2 ...


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