SN74HC373ADBRG4

Series:	74HC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	2 V ~ 6 V
Independent Circuits:	1
Delay Time - Propagation:	15ns
Current - Output High, Low:	7.8mA, 7.8mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	20-SSOP
Base Part Number:	74HC373

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Logic - Latches

Logic- latches are two-state devices, which store the state of the signal within its output. The particular type of latch which is discussed in this article is the SN74HC373ADBRG4 bipolarJunction transistor (BJT). This latch is a commonly used type because of its speed, relatively low power consumption, and reliability.The SN74HC373ADBRG4 latch normally works between a digital logic section, like a microprocessor or logic gate, and an output component. It is normally used to store a signal inside the output component and then recall it when needed. This can be useful in numerous applications, such as controlling robotic components, or managing digital audio or video files. The SN74HC373ADBRG4 contains a few components which form the basic building blocks of a digital logics {rarely fundamental electronically speaking}. It contains two BJT’s which use current-limiting technologies to create high-speed, low- power and low distortion output operations. The inputs are connected to six different pins; S0 and S1 are called Set inputs and C0 and C1 are called Clear inputs. The states of these inputs control the output state of the latch. The SN74HC373ADBRG4 incorporates a Schmitt trigger, which allows for voltage hysteresis (i.e. change of state). This means that for any given input, there is a specific amount of voltage which will cause the latch to switch from one state to another, provided that the voltage is greater than that level. This also means that digital noise cannot affect the operation of the latch, since the voltage must rise to a specific higher level in order to trigger a change.The SN74HC373ADBRG4 latch is an often used component in digital logic applications. It is being used in robotics, audiovisual sectors and many other devices. Due to its high speed of operation, and its low power consumption, switching current and output distortions, the SN74HC373ADBRG4 is a popular choice, especially since it is both economical and reliable. This latch is just one of many, and is often used as a good starting point for more complicated projects which require digital logic.

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