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74xx Logic ICs

In the 74xx series we have ICs from many different manufacturers including: MMI, Signetics, Motorola, TI, Hitachi, National Semiconductor, Fairchild, Mitsubishi, AMD, Harris, SGS, ECG, TCG, NTE and ITT.

Date codes are available from early 1972 to present.

Please add a note to your order if you are wanting a specific date code or manufacturer. If we have it, we'll ship it, otherwise the chips are pulled at random from the storage trays. Thank you.

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Make sure you are replacing the chip with the correct kind! Substituting 74LS logic for a 74F won't always work - It depends on the timing in the circuit. When in doubt, stick with the exact one the schematic calls for.

As always, feel free to drop us a note if you are looking for something we do not have in stock.






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