NC7ST04M5

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NC7ST04M5 is an inverting schmitt trigger gate from the widely used NC7S Series of low power Schottky TTL (LSTTL) logic ICs. It is part of a range of inverting logic gates manufactured by ON Semiconductor. This particular device is used for many applications such as converting a variety of digital signals from one voltage level to another, monitoring digital signals for thresholds, and providing hysteresis for improved noise immunity.

With an input voltage range of 0.8V to 4.2V, NC7ST04M5 is suitable for use in environments where noisy signals may be present. The maximum operating frequency of NC7ST04M5 is 500 kHz, and its propagation delay time is 9 ns.

The NC7ST04M5 belongs to the 62 logic family, so the power supply voltage of the device must be between 4.5V and 5.5V. The ground and +5V supply are the most commonly used supply voltages and the device can operate at any voltage between the lower and upper limit.

The NC7ST04M5 is based on a simple Schmitt trigger inverter circuit. The Schmitt Trigger is primarily a voltage comparator, used for comparing two input voltages and producing an output of either high or low. In the NC7ST04M5, the Schmitt Trigger circuit is used to invert digital logic signals.

When the input voltage reaches the upper threshold voltage of the Schmitt trigger, the output switches to a low state. When the input voltage drops below the lower threshold voltage of the Schmitt trigger, the output switches to a high state. This is known as hysteresis, and is a key feature of the NC7ST04M5, as it provides immunity to noise which could otherwise cause the output to randomly switch between high and low.

As an inverting logic gate, the NC7ST04M5 can be used for a variety of applications that require input signals to be inverted. In particular, it can be used to invert TTL or CMOS logic signals to drive LED displays, enable and disable consumer electronics, or to create basic logic functions, such as AND and OR gates.

The NC7ST04M5 can also be used to monitor digital signals for specific thresholds. For example, it can be used to detect the presence of a high voltage level or a low voltage level. This can be useful for creating safety systems or other control applications that need to monitor digital signals.

In summary, the NC7ST04M5 is a versatile Schmitt trigger gate that can be used to invert digital logic signals, provide logic functions, and monitor digital signals for thresholds. With a maximum operating frequency of 500 kHz, and a propagation delay time of 9 ns, the NC7ST04M5 is an ideal choice for applications where noise immunity and fast signal switching are critical.

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