SN74LVTH646DBR

Series:	74LVTH
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	32mA, 64mA
Voltage - Supply:	2.7 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	24-SSOP
Base Part Number:	74LVTH646

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Introduction: SN74LVTH646DBR is an advanced CMOS 3-state Hex Bidirectional Bus Transceiver, part of the LVT family. It is a high-speed logic components which allows for low power-to-power transmission speeds. It is popularly used for transferring data between two buses with differing electrical signaling levels and power supplies. The SN74LVTH646DBR serves many vital roles in the electronics industry and is used for many applications, including data buses, CPU buses, game consoles, automotive accessories, and computers.Applications: SN74LVTH646DBR is commonly used to enable bidirectional communication between separated electrical devices, as well as to enable multiple devices to communicate with a single bus. This can include data bus, CPU bus, and other interfaces, and it is a standard component found in many digital applications. The low power-to-power transmission rates of SN74LVTH646DBR make it particularly popular for applications which involve large amounts of data transfer, such as computer system buses and automotive accessories. In addition, its ability to interface with different signals levels and power supplies makes it ideal for video game consoles, which often require communication between different types of signal and power levels.Another significant application for SN74LVTH646DBR is as a logic device for serial networking. With its fast signal switching speeds and its ability to interface with different power supplies and signal levels, SN74LVTH646DBR is well-suited for building efficient and high-speed serial networks. Its ability to interface with multiple devices makes it an attractive choice for building large networks for high-speed data transfer.Working Principle: The SN74LVTH646DBR is based on the standard CMOS3-state Hex-Bidirectional bus transceiver. It is powered by two power inputs, supply voltage and reference voltage, and uses open drain technology to provide efficient, powerful signal transmission both ways.When voltage is applied to the input port, the SN74LVTH646DBR acts as a bidirectional buffer. It will transmit the signal to the output port, using the same power level as the input port and providing the same logic level.When voltage is applied to both input and output ports, the SN74LVTH646DBR acts as a shift register. The signal will be shifted to the output, with two outputs providing the same logic level, but one output providing the inverted version of the signal from the other output.When no voltage is applied to the input, the SN74LVTH646DBR will enter a high-impedance, 3-state state. In this state, the device will switch off, meaning all output will be zero, and the input ports will be isolated from the output ports. This makes the SN74LVTH646DBR ideal as a bus transceiver, as it can isolate the input and output ports while still providing efficient, low-power transmission.Conclusion: SN74LVTH646DBR is an advanced CMOS 3-state Hex Bidirectional Bus Transceiver and is part of the LVT family. With its fast signal switching speeds, open drain technology and ability to interface with different power supplies, SN74LVTH646DBR is ideal for applications requiring high-speed data transmission such as computer system buses, CPU buses, automotive accessories, game consoles, and serial networking.

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