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Practical Electronics/IC/4049
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CMOS 4049 Hex 1-Input NOT Gate 16 7400 1 0
The 4049 is a member of the 4000 Series CMOS range, and contains six independent NOT gates, each with two inputs. The pinout diagram, given on the right, is the standard two-input CMOS logic gate IC layout:
Pin 1 is the positive power supply
Pin 8 is the ground
Pins 3, 5, 7, 9, 11 and 14 are gate inputs
Pins 2, 4, 6, 10, 12, and 15 are gate outputs