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SN74LS181 - 4-BIT ARITHMETIC LOGIC

Download the SN74LS181 datasheet PDF. This datasheet also covers the SN74LS181N variant, as both devices belong to the same 4-bit arithmetic logic family and are provided as variant models within a single manufacturer datasheet.

Description

The SN54 / 74LS181 is a 4-bit high speed parallel Arithmetic Logic Unit (ALU).

Controlled by the four Function Select Inputs (S0 .

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Note: The manufacturer provides a single datasheet file (SN74LS181N_MotorolaInc.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
SN74LS181 ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS Texas Instruments
SN74LS10 TRIPLE 3-INPUT POSITIVE-NAND GATES Texas Instruments
SN74LS10 TRIPLE 3-INPUT NAND GATE ON Semiconductor
SN74LS107A DUAL J-K FLIP-FLOPS Texas Instruments
SN74LS109 LOW POWER SCHOTTKY ON Semiconductor

Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
SN74LS182 Carry Lookahead Generator / Low Power Schottky
SN74LS10 TRIPLE 3-INPUT NAND GATE
SN74LS107A DUAL JK NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN74LS109A DUAL JK POSITIVE EDGE-TRIGGERED FLIP-FLOP
SN74LS11 TRIPLE 3-INPUT AND GATE

Full PDF Text Transcription

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4-BIT ARITHMETIC LOGIC UNIT The SN54 / 74LS181 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. • Provides 16 Arithmetic Operations Add, Subtract, Compare, Double, Plus Twelve Other Arithmetic Operations • Provides all 16 Logic Operations of Two Variables Exclusive — OR, Compare, AND, NAND, OR, NOR, Plus Ten other Logic Operations • Full Lookahead for High Speed Arithmetic Operation on Long Words • Input Clamp Diodes CONNECTION DIAGRAM DIP (TOP VIEW) VCC A1 B1 A2 B2 A3 B3 G Cn+4 P A=B F3 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 B0 A0 S3 S2 S1 S0 Cn M F0 F1 F2 GND NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package.
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