TC74HC4049AFTEL

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Logic gates and inverters play an important role in electronic circuit design, and the TC74HC4049AFTEL is a type of device from Toshiba that is well suited for a number of applications. This article will explore the device\'s usage area, as well as its working principle.

The TC74HC4049AFTEL is a versatile 4-bit inverting CMOS digital logic circuit, which is useable in both static and dynamic logic applications. It is comprised of four complementary pairs of N- and P-channel MOS transistors, forming a total of eight switching elements. This arrangement allows each output to be inverted independently, with different logic levels achievable between logic low and logic high.

As a CMOS inverter, the TC74HC4049AFTEL is ideal for most digital applications involving logic design. It can be used in simple circuits, such as shift registers, up/down counters, and average detectors, as well as more complex circuits like arithmetic logic units, encoders, decoders and multiplexers. Furthermore, the device is capable of providing logic level conversion, such as between TTL and CMOS logic standards. This makes it convenient for use in mixed application designs.

The working principle of the TC74HC4049AFTEL is based on two MOSFETs controlling the output. Depending on the input signal, one of the transistors is activated, allowing current to flow and switching the logic state of the output. At the same time, the other transistor is non-conductive, which helps prevent spikes or other unwanted signals from reaching the output. If a logic low is applied at the input, the N-MOSFET transistor is activated, while the P-MOSFET is cut off. This causes the output to switch to a logic high. Conversely, a logic high at the input turns on the P-MOSFET and causes the output to switch to a logic low.

In addition to the operating voltage of 3.6V to 6.0V, other specifications for the TC74HC4049AFTEL include the rise and fall times of 20ns, the power dissipation of 0.3W and the propagation delay time of 84ns. Utilizing CMOS technology, this device offers high-speed operation, high input impedance and low power consumption. Furthermore, it has protection against static discharge due to its self-clocking nature, resulting in enhanced shareability in multiplexer and bus configurations.

In summary, the TC74HC4049AFTEL is an all-in-one 4-bit inverting CMOS digital logic circuit suitable for many digital logic applications, such as shift registers, up/down counters, average detectors, encoders, decoders, multiplexers and level converters. Its combination of low power consumption, high input impedance and fast operating speeds makes it an optimal choice for a wide range of digital circuit designs.

The specific data is subject to PDF, and the above content is for reference