SN74HC245DBR

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Logic devices are an integral part of modern circuitry, providing connection and control points within larger systems. As such, there are a variety of logic devices, each serving its own purpose and design. SN74HC245DBR is a particular type of device in the logic family, and it is an important element of many complex digital systems. This article provides an introduction to the application field and working principle of SN74HC245DBR.

SN74HC245DBR belongs to the category of buffers, drivers, receivers, transceivers and is a low-voltage octal bus transceiver, having the features of three-state outputs and two high-impedance inputs. It provides high performance logic signaling between two buses, with each direction capable of routing eight data lines, making it a high-functioning device.

The transfer of data between two buses is controlled via the two ‘Enable’ lines, namely Direction Control and Output Enable. In order for data to pass in a particular direction, the Direction Control line must be set to the ‘high’ logical state, while Output Enable must be set to ‘low’. This effectively switches the device from the tri-state output mode to the working state, allowing data to be routed.

Naturally, SN74HC245DBR finds application in systems requiring multiple data paths, including digital audio and video rules, industrial systems, telecommunications, automated test and measurement, and more. It is also widely used in consumer electronics, such as digital television, DVD players, automotive audio, game systems, and cellular phones.

The performance of SN74HC245DBR is quite impressive, due to the use of T-MOST advanced CMOS technology. This device comes in a variety of packages, with the most popular being 16-pin DIP and SOIC package types. It has a low power-down current—less than 0.1uA—and features an outstanding symmetrical output impedance of 25ohm. In addition, its propagation delay time is short—15ns.

SN74HC245DBR performs with a power supply voltage of 4.5V to 5.5V, and can operate with a low power supply current of 85uA. Its highest dynamic power dissipation is 519mW, with a static power dissipation of 250mW at 5.5V. Its wide supply voltage range and its low output-output skew make SN74HC245DBR suitable for many low-power applications.

The SN74HC245DBR is a high performance logic device that can help to create efficient digital solutions, making it ideal for a range of applications. The device is widely available and easy to use, making it a popular choice for digital engineering projects.

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