MM74C14MX

Current - Output High, Low:	8mA, 8mA
Base Part Number:	74C14
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Max Propagation Delay @ V, Max CL:	200ns @ 10V, 50pF
Logic Level - High:	4.3 V ~ 12.9 V
Logic Level - Low:	0.7 V ~ 2.1 V
Series:	74C
Voltage - Supply:	3 V ~ 15 V
Features:	Schmitt Trigger
Number of Inputs:	6
Number of Circuits:	6
Logic Type:	Inverter
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

MM74C14MX is a Hex Inverter Schmitt Trigger IC, which can be used as a logic gate or inverter and is commonly used in TTL logic applications. The MM74C14MX is capable of keeping output signals stable even when the input signal frequency has significantly changed, making it the preferred choice for digital systems with significant signal fluctuations. It is a compact, easy to use chip that is able to get the job done.

Application Field

The MM74C14MX is a versatile chip designed for various applications such as signal conditioning, waveform shaping, logic gate and voltage level shifting, among others. It is commonly used in switch debouncing, comparator, resonance circuit applications, signal generators, audio and video noise filtering, buzzers, radio tuning and doorbell circuits. It can also be used for low-frequency signal amplification for various electronic gadgets such as CD players and amplifiers.The chip is also used in the development of digital circuits, as it offers the stable logic-gate or inverter operation, which is essential for multiplexers, logic buffers, and land plane detectors. Furthermore, its Schmitt trigger feature provides low jitter (time delay between two inputs) and increased noise immunity when creating digital waveform.

Working Principle

The MM74C14MX has a basic logic gate or inverter design that switches the output voltage level depending upon the input voltage. It is capable of accurately distinguishing between two voltage levels, providing an output signal that is dependent on the state of the input signal. The chip can be used as a logic gate when the input voltage is between 0 and 5 volts.When designing with the MM74C14MX, both the logic gates and inverters design is used to switch the incoming waveform. The chip has an input stage which is designed to provide inverting or non-inverting (depending on the user’s setting) and an output stage which switches the output voltage level to either high or low, depending on the state of the input signal.The chip has two variables, the high trip point (VH) and the low trip point (VL). The VH is the level at which the output will switch to a high state and the VL is the level at which the output will switch to a low state. The MM74C14MX has a hysteresis of 0.4V which provides for noise immunity and jitter-free operations.

Conclusion

The MM74C14MX is a widely used and versatile chip designed for various applications such as signal conditioning, waveform shaping, logic gate and voltage level shifting, among others. It is capable of accurately distinguishing between two voltage levels, providing an output signal that is dependent on the state of the input signal. It is an essential tool for many digital and analogue circuit applications, due to its ability to provide a stable logic-gate or inverter operation and high power-consumption figures.

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