7400 - Quad Two Input NAND Gate 74LS00 is part of the 74XXYY IC series. 74xxyy integrated circuits are logical gates of digital electronics. The 74LS00 IC has four NAND gates(NAND Gate is the combination of AND and NOT Gate). In addition, each door has two entrances. Hence the name QUAD TWO INPUT NAND GATE. Pin Diagram of 7400 IC 74LS00 is a 14-pin device. The chip is available in different packages and is chosen according to the needs. The description of each pin is given below. Pin Number Description 1 A1-INPUT1 of GATE 1 2 B1-INPUT2 of GATE 1 3 Y1-OUTPUT of GATE1 4 A2-INPUT1 of GATE 2 5 B2-INPUT2 of GATE 2 6 Y2-OUTPUT of GATE2 9 A3-INPUT1 of GATE 3 10 B3-INPUT2 of GATE 3 8 Y3-OUTPUT of GATE3 12 A4-INPUT1 of GATE 4 13 B4-INPUT2 of GATE 4 11 Y4-OUTPUT of GATE4 7 GND- Connected to ground 14 VCC-Connected to positive voltage to provide smdksmkm power to all four gates ...
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