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DM54LS181W Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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DM54LS181W Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 10 page TLF9821 June 1992 DM54LS181DM74LS181 4-Bit Arithmetic Logic Unit General Description The ’LS181 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 Features Y Provides 16 arithmetic operations add subtract com- pare double plus twelve other arithmetic operations Y Provides all 16 logic operations of two variables exclu- sive-OR compare AND NAND OR NOR plus ten other logic operations Y Full lookahead for high speed arithmetic operation on long words Connection Diagram Dual-In-Line Package TLF9821 – 1 Order Number DM54LS181J DM54LS181W or DM74LS181N See NS Package Number J24A N24A or W24C Pin Names Description A0–A3 Operand Inputs (Active LOW) B0–B3 Operand Inputs (Active LOW) S0 – S3 Function Select Inputs M Mode Control Input Cn Carry Input F0–F3 Function Outputs (Active LOW) A e B Comparator Output G Carry Generate Output (Active LOW) P Carry Propagate Output (Active LOW) Cna4 Carry Output C1995 National Semiconductor Corporation RRD-B30M115Printed in U S A |
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