F54LS20DM

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Military Version: F54LS20DM - Dual 4-Input NAND Gate: Features two separate heavy-duty logic gates where each gate requires four independent input signals to all be high at the exa ct same moment before the output will drop to a low state. If even one of those four inputs goes low, the output remains high, which makes this chip perfect for decoding large memory address spaces - NTE Commercial Equivalent: NTE74LS20 Show more