SN74LV8153NG4

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The SN74LV8153NG4 is a octal dual-supply bus transceiver from Texas Instruments. It is low-power, rad-hard, 5V tolerant, multi-volt CMOS logic device implemented in slim 38-lead CQCCN compact quad flat-pack (CQFP) packages. It provides two independent two-channel bidirectional buses which more than doubles the I/O coverage from current 24 to 48 pins. Each of the two buses requires one select pin, making the transceiver support both broadside and flying bus applications, thus eliminating the need for a second part for certain applications.

The SN74LV8153NG4 supports both bus connected and bus floating enable schemes. It belongs to the Logic - Shift Registers family, using logic and shift register functions to enable data to be transferred from register to register. This is done using flip-flops which have their own information-storage compartments. The device can store only one bit of information at a time, so if several bits of information need to be handled, several registers have to be used. With it, data can be manipulated and shifted to various locations in memory.

The SN74LV8153NG4 has five possible application fields like register transfer function, microwire bus and similar bus, wide bus interface, analog multiplexer and switching applications and for bus-sizing applications. Any two-terminal device like transistor logic (TL), metal-oxide semiconductor logic (MOS), and complementary metal-oxide semiconductor logic (CMOS) can be connected to the output pins.

The SN74LV8153NG4 supports direct LCD (Liquid Crystal Display) driving and it enables easy implementation of interface between the controller and the LCD display. In addition, it includes many features like undervoltage lockout with independent enable/disable control, hot insertion/removal support, internal ESD protection, control pins level translation for embracing different voltage domains and a logic-level-independent data retention scheme allowing lower speed and low-supply operations.

The working principle of the SN74LV8153NG4 is fairly straightforward. It contains two bidirectional buses connecting two independent groups of eight-bit data lines. The device is controlled by two active-low enable pins, which determine which of the two buses are in the enabled state, so data can be transferred between the two buses. The enable pins can be used to enable/disable the bus, enabling transfer of data through the transceiver by changing the enable pin\'s state. This also helps ensure that data is not transferred in the wrong direction, preventing data corruption.

The SN74LV8153NG4 is a powerful, versatile, low-power, rad-hard, 5V tolerant, multi-volt CMOS logic device that can be used in several different applications. It provides the ability to transfer data between two independent groups of eight-bit data lines in a simple, cost-effective way. As its functionality is not limited to just logic and shift register functions, this device can be used in a variety of areas, from register transfer functions to analog multiplexers and switching applications.

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