Schematic, Datasheet, Description 7420

The integrated Circuit 7420 is a Dual Quad Input NAND gate in a 14-Pin Package (DIL / SMD)
Other possible Part numbers / Replacement
74F20
74ALS20
74LS20
74HC20
74HCT20
74LVX20

Here you may find Schematic Diagram for DIY, Datasheet, Pinout as well as further Information on the Integrated Circuit 7420

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