TC74VHCT373AFTEL

Series:	TC74VHCT
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	4.5 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	5.1ns
Current - Output High, Low:	8mA, 8mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	20-TSSOP
Base Part Number:	74VHCT373

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The TC74VHCT373AFTEL is a type of logic latch. It belongs to the family of VHCT (Very High-Speed CMOS) logic devices. The logic latch is designed to switch between two stable states, either the “1” or the “0”, with particular input signals. Being part of the VHCT family, the TC74VHCT373AFTEL provides a fast switching speed, low current consumption and low noise level.The TC74VHCT373AFTEL’s application fields include controlling power supplies in industrial automation systems, interlocking door locks, latching signals and providing logic control. With its fast switching time and low current consumption, the TC74VHCT373AFTEL is an excellent choice for applications where an efficient form of control is needed.The TC74VHCT373AFTEL works on the principle of the preset/clear functionality of its input signals. To achieve the preset/clear function, it combines a pair of cross-coupled inverters, with the output from one being fed back as the input of the other to provide the latch. Input signals drive the cross-coupled inverters, either forcing the output of one to 1 and the output of the other to 0, or clearing them all to 0. This allows the outputs, Q and Qbar, to switch between two stable states independent of the inputs.In addition to the preset/clear functionality, the TC74VHCT373AFTEL comes with an inbuilt refresh functionality which helps prevents the output from being stuck in one state and allows the device to keep its function even after a power failure. This is an important feature of the TC74VHCT373AFTEL which ensures its reliability.The TC74VHCT373AFTEL is also designed with an internal Schmitt trigger circuit which reduces power consumption by using the hysteresis effect to drive the cross-coupled inverters. This completes the TC74VHCT373AFTEL logic latch design, providing a fast and efficient way to control power supplies, interlocking door locks and provide logic control.Overall, the TC74VHCT373AFTEL logic latch is an excellent choice for controlling power supplies, interlocking door locks and providing logic control. The TC74VHCT373AFTEL is efficient and reliable due to its fast switching time, low current consumption and inbuilt refresh functionality which prevents the output from locking up in one state and also helps to retain its output state even after a power failure. The Schmitt trigger circuit, incorporated into the TC74VHCT373AFTEL design, reduces power consumption by using the hysteresis effect and provides further reliability to the device.

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