SN74ABT373NSRE4

Series:	74ABT
Packaging:	Tape & Reel (TR)
Part Status:	Active
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:	4.6ns
Current - Output High, Low:	32mA, 64mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	20-SO
Base Part Number:	74ABT373

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Logic - Latches: SN74ABT373NSRE4 Application Field and Working Principle
In logical circuit design, latches are essential components. They are used to store information and ensure that the circuit keeps the stored information even when control signals are removed. SN74ABT373NSRE4 is one of the commonly used latches with fast access. This paper will explain this type of latch and its application field along with its working principle.
The SN74ABT373NSRE4 is an octal transparent D-type latch that is designed to be used as a memory register. The device is made in an extremely small 0.4-micron CMOS technology. It has an improved latch protection that enables resistance to damage from electrostatic discharge. Moreover, the device features fast access times, high-speed operation, a low power consumption and a wide voltage range from 2.7V to 5.5V. This type of latch has a total of eight latches which are mainly used for the storage and the transfer of data. The D-type latches can be used in a variety of system applications that require data storage and retrieval such as in digital logic circuits, random access memory (RAM), computer systems, digital logic controllers, and programmable logic controllers (PLCs).
The working principle of SN74ABT373NSRE4 latches is similar to other types of latches. The device consists of two operating states: "On" (set) and "Off" (reset). In the "On-state," the output of the device is always "High." This can be done by applying an "Enable" signal to the control input. The "Enable" signal lets the latch know if the data is valid or not; if "High," the data is valid and the output will be "High." On the other hand, when the "Enable" signal is "Low," the data is not valid and the output of the device will be "Low."
The operation of the device is highly dependent on the control inputs. The "Reset" signal is used to reset the device. When this signal is "High," the device will reset, and the output of the device will be "Low." Similarly, the "Set" signal is used to set the state of the device. When the "Set" signal is "High," the device will be "On," and the output of the device will be "High."
In summary, the SN74ABT373NSRE4 octal transparent D-type latch is an essential component in the design of digital logic circuits. It is designed to be used as a memory register and features fast access, low power consumption, high speed and a wide voltage range. The device has eight latches, each of which can be used to store and transfer data. Moreover, the device is capable of withstanding electrostatic discharges, which makes it suitable for use in a wide range of systems. Finally, the operation of the device is dependent on the control signals, which are the "Set," "Enable," and "Reset" signals.

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