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54LS42 Dataheets PDF



Part Number 54LS42
Manufacturers National Semiconductor
Logo National Semiconductor
Description BCD/Decimal Decoders
Datasheet 54LS42 Datasheet54LS42 Datasheet (PDF)

54LS42 DM54LS42 DM74LS42 BCD Decimal Decoders June 1989 54LS42 DM54LS42 DM74LS42 BCD Decimal Decoders General Description These BCD-to-decimal decoders consist of eight inverters and ten four-input NAND gates The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates Full decoding of input logic ensures that all outputs remain off for all invalid (10–15) input conditions Connection Diagram Dual-In-Line Package TL F 6365 – 1 Order Number 54LS42DMQB 54L.

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54LS42 DM54LS42 DM74LS42 BCD Decimal Decoders June 1989 54LS42 DM54LS42 DM74LS42 BCD Decimal Decoders General Description These BCD-to-decimal decoders consist of eight inverters and ten four-input NAND gates The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates Full decoding of input logic ensures that all outputs remain off for all invalid (10–15) input conditions Connection Diagram Dual-In-Line Package TL F 6365 – 1 Order Number 54LS42DMQB 54LS42FMQB DM54LS42J DM54LS42W DM74LS42M or DM74LS42N See NS Package Number J16A M16A N16E or W16A Logic Diagram Features Y Diode clamped inputs Y Also for applications as 4-line-to-16-line decoders 3line-to-8-line decoders Y All outputs are high for invalid input conditions Y Alternate Military Aerospace device (54LS42) is available Contact a National Semiconductor Sales Office Distributor for specifications Function Table No BCD Inputs Decimal Outputs DCBA0 1 2 3 4 5 6 7 8 9 0 L L L L L.


DM74175 54LS42 DM54LS42


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