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SN74LS85 - 4-BIT MAGNITUDE COMPARATOR

Download the SN74LS85 datasheet PDF. This datasheet also covers the SN74LS85D variant, as both devices belong to the same 4-bit magnitude comparator family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (SN74LS85D_MotorolaInc.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
SN74LS85 4-BIT MAGNITUDE COMPARATOR Texas Instruments
SN74LS85 4-Bit Magnitude Comparator ON Semiconductor
SN74LS86 Quad 2-Input Exclusive OR Gate ON Semiconductor
SN74LS86A QUADRUPLE 2-INPUT EXCLUSIVE-OR GATE Texas Instruments
SN74LS86AN QUADRUPLE 2-INPUT EXCLUSIVE-OR GATE Texas Instruments

Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
SN74LS83A 4-BIT BINARY FULL ADDER
SN74LS848 8-INPUT PRIORITY ENCODERS
SN74LS86 QUAD 2-INPUT EXCLUSIVE OR GATE
SN74LS00 QUAD 2-INPUT NAND GATE
SN74LS02 QUAD 2-INPUT NOR GATE

Full PDF Text Transcription

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4-BIT MAGNITUDE COMPARATOR The SN54/ 74LS85 is a 4-Bit Magnitude Camparator which compares two 4-bit words (A, B), each word having four Parallel Inputs (A0 – A3, B0 – B3); A3, B3 being the most significant inputs. Operation is not restricted to binary codes, the device will work with any monotonic code. Three Outputs are provided: “A greater than B” (OA > B), “A less than B” (OA < B), “A equal to B” (OA = B). Three Expander Inputs, IA > B, IA < B, IA = B, allow cascading without external gates. For proper compare operation, the Expander Inputs to the least significant position must be connected as follows: IA < B= IA > B = L, IA = B = H.
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