74LS00 Datasheet

74LS00 – Quad 2-input NAND gate

74LS00 General Description :

The 74LS00 TTL IC contains four independent gates each of which performs the logic NAND function. The LS means Low Power Schottky. The low power means the IC has a lower power consumption than the original TTL device but with a slower response. The Schottky is used to reduce the response time. Schottky metal-semiconductor junctions are featured in the 74S, 74LS and 74ALS series, where they are employed as clamps in parallel with the collector-base junctions of the bipolar junction transistor (BJT) to prevent their saturation, thereby greatly reducing their turn-off delays.

74LS00  Pin Assignment :

7400 pin assignment
74LS00 pin assignment

7400 Logic Diagram

7400 logic diagram
74LS00 logic diagram

7400 Function table / truth table:

The devices perform the following Boolean function:

7400  function table
74LS00 function table (truth table)

Download 74LS00 Datasheet PDF


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