SN74LVC8T245DBRG4

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Logic translators, level shifters and the SN74LVC8T245DBRG4 are important elements in electronics design. Apart from their basic applications, their versatility, low-power and pricing characteristics have made them popular with engineers and technicians. In this article, we take an in-depth look at the popular SN74LVC8T245DBRG4, including its application field, features and working principle.

The SN74LVC8T245DBRG4 is an octal bus transceiver that belongs to the Texas Instruments LVC (Low-Voltage CMOS) family of logic. It is a low-voltage logic translator that is capable of translating a 16-bit parallel data bus between two independent, low-voltage and high-performance CMOS levels. Its low-voltage design and wide voltage range allows it to operate in both 3.3V and 5V (or higher) systems.

The SN74LVC8T245DBRG4 is used in a variety of applications, including bus connecting, bus-oriented logic, bus interface and expansion, as well as signal conversion and signal routing. This versatile device can be found in industrial automation applications, smart power supplies, storage devices, telecommunications, networking, and embedded systems. The device is also used to provide memory and I/O expansion, as well as signal conversion, in applications where the input data signals are permanently present.

The SN74LVC8T245DBRG4 features two 3-state buffer output ports with high impedance state, allowing the connection of up to 32 I/O devices using two 16-bit buses. It also has Schmitt trigger-inputs and "Hot-swap" capability, allowing the connection or disconnection of input and output ports during power-on or power-off conditions. The device is also bi-directional, with an enable input that can be used to turn either one or both of the output ports on or off.

The SN74LVC8T245DBRG4 is powered by a supply voltage of either 3.3V or 5V. It also features an enable input that allows the output to be turned on or off. The enable input accepts either active High or active Low signals, depending on the application. The enable input also functions as an OE (output enable) input, allowing the device to be used in a high-impedance state.

The SN74LVC8T245DBRG4 features two output ports, each of which can drive up to 32 I/O. It also features a D-type flip-flop circuit, which allows users to store data for one low-high transmission time. The device also features a direction control input that enables the user to control the direction of data transmission.

The SN74LVC8T245DBRG4 has a power dissipation of 434 mW, a supply current of 9.2 mA, and a quiescent current of 13.3 mA. It operates in the temperature range of 0°C to 70°C, making it suitable for a wide variety of applications. It is also able to handle input frequency up to 25MHz, making it suitable for high-speed applications.

The SN74LVC8T245DBRG4 is a versatile and useful device, as it is able to translate between two independent data buses, allowing the connection of up to 32 I/O devices using two 16-bit buses. It is a cost-effective solution for applications where power-on or power-off conditions need to be addressed. It is also well suited for applications that require signal conversion and signal routing.

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