SN74ALVCH162841GR Integrated Circuits (ICs)

Series:	74ALVCH
Packaging:	Tape & Reel (TR)
Part Status:	Active
Logic Type:	D-Type Transparent Latch
Circuit:	10:10
Output Type:	Tri-State
Voltage - Supply:	1.65 V ~ 3.6 V
Independent Circuits:	2
Delay Time - Propagation:	1ns
Current - Output High, Low:	12mA, 12mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	56-TFSOP (0.240", 6.10mm Width)
Supplier Device Package:	56-TSSOP
Base Part Number:	74ALVCH162841

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Introduction

The SN74ALVCH162841GR is a member of Texas Instruments\' Advanced Logic family of integrated circuits that combines all the functions and features of a versatile latch, enabling the user to build flexible, reliable, and cost-effective systems for unique application requirements. This product is intended for use in the automotive industry, aerospace sector, medical field, and many other markets. In this article, we will discuss the application fields and working principle of the SN74ALVCH162841GR logic latch.

Application Fields

The SN74ALVCH162841GR has a broad range of application possibilities, due to its ability to work as an input latch, output latch, and flip-flop. Its 2-to-1 multiplexer configuration enables the user to take advantage of multiplexing capability, and its wide supply voltage range (from 2.7V to 4.5V) allows it to be used in automotive, aerospace, and medical settings.The SN74ALVCH162841GR is particularly useful for systems that require high reliability and performance, since it features low power consumption and low propagation delays. It is also highly suitable for interfacing with mixed-signal and power-sensitive systems, due to its low-voltage rating and low input capacitance. Additionally, the product can also be used in low-cost applications, like security systems and numerous medical and automation applications. The latch\'s 16-bit architecture makes it possible to access up to 16 bits of data in one single access. This saves a lot of time during development and production.

Working Principle

The SN74ALVCH162841GR works by utilizing a Master/Slave Flip-Flop system, where the master latch determines the state of the output latch. The master latch is set or reset by the "Enable" input and the slave latch is set or reset by the "Reset" input. This latch system works both asynchronously and synchronously. The latch is asynchronous when the "Enable" input goes low (while the "Reset" input is high). In this case, the latch can be quickly reset to a known state. When the "Enable" input is high and the "Reset" input is low, the state of the output will depend on the transition on the "Data" input.The SN74ALVCH162841GR also features a low-power, low-offset design and includes Schmitt triggers on all inputs that negate the need for external levels to ensure proper operation. It also features internal output-level pull-ups to reduce the possibility of the output causing duplicate outputs due to noise on the output bus.

Conclusion

The SN74ALVCH162841GR is a versatile latch that finds application in various industries, such as automotive, aerospace, and medical. It is designed to assist in the building of cost-effective systems, while also providing high reliability and performance. The product works by utilizing a Master/Slave Flip-Flop system, allowing it to work asynchronously and synchronously. It also offers a low-power, low-offset design with Schmitt triggers and internal output-level pull-ups, ensuring optimal system performance.

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