74HSTL162822DGGRE4

Series:	74HSTL
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type, Addressable
Circuit:	14:28
Output Type:	Tri-State
Voltage - Supply:	3.15 V ~ 3.45 V
Independent Circuits:	1
Delay Time - Propagation:	1.7ns
Current - Output High, Low:	12mA, 12mA
Operating Temperature:	-40°C ~ 90°C
Mounting Type:	Surface Mount
Package / Case:	64-TFSOP (0.240", 6.10mm Width)
Supplier Device Package:	64-TSSOP
Base Part Number:	74HSTL162822

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Introduction

The 74HSTL162822DGGRE4 is a type of logic latch known as an active-low asynchronous reset latch. This article will discuss the application field and working principle of this device.

Application Field

The 74HSTL162822DGGRE4 is designed to be used in logic systems in order to provide synchronization and storage of data or control signals. It is ideal for systems that rely on precise timing and require fast response times. It is also suitable for use in communication systems, where it can be used as a frequency or timing reference.The 74HSTL162822DGGRE4 is frequently used to control the flow of data within an integrated circuit, or as part of a timing circuit. It is importantly used in motion control applications such as servos, where it is used to control the speed and direction of motors. It is also used in alarm systems, where it closes circuits when certain conditions are met.The 74HSTL162822DGGRE4 is available in two different packages, the DIP and the SOIC, making it highly versatile for different applications. Its low power consumption makes it particularly suitable for battery powered applications.

Working Principle

The 74HSTL162822DGGRE4 is an active-low asynchronous reset latch. This means that the latch has two data input pins, a Data (D) pin and a Reset (R) pin. When the Reset (R) pin is held low, the latch will be reset and the data stored within it will be cleared, regardless of the state of the Data (D) pin. If the Reset (R) pin is held high, the Data (D) pin will determine the state of the latch.The latch also has two output pins, a Data Out (DO) pin and a Complement Out (CO) pin. When the Data (D) pin is held low, the Data Out (DO) pin will be driven low, and the Complement Out (CO) pin will be driven high. When the Data (D) pin is held high, the Data Out (DO) pin will be driven high, and the Complement Out (CO) pin will be driven low.The typical operation of the 74HSTL162822DGGRE4 is to store the state of the Data (D) pin. This means that it serves as an asynchronous memory element. When the Reset (R) pin is held low, the stored data will be cleared, regardless of the state of the Data (D) pin.

Conclusion

The 74HSTL162822DGGRE4 is a type of logic latch designed to provide synchronization and storage of data or control signals in logic systems. It is available in two packages and has low power consumption, making it particularly suitable for battery powered applications. The 74HSTL162822DGGRE4 is an active-low asynchronous reset latch, which means that the Data (D) pin determines the state of the latch when the Reset (R) pin is held high. It is typically used to store the state of the Data (D) pin, making it an asynchronous memory element.

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