DM74121N

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방향：

The DM74121N is a monostable multivibrator integrated circuit. It features a Schmitt trigger input which allows for easy triggering with noisy or slow input signals. The device has a single positive-edge-triggered pulse output and a complementary pulse output to provide flexibility in circuit design.The DM74121N operates on a supply voltage range of 4.75V to 5.25V and has a wide input pulse range of 30 ns to 28s. It is designed to work with TTL logic levels and can source or sink up to 0.4A of current.The output pulse duration is determined by an external resistor and capacitor connected to the timing pins. The duration of the output pulse can be calculated using the formula: t = 0.7 * R * C, where t is the pulse duration in seconds, R is the resistance in ohms, and C is the capacitance in farads.