SN74CBT3345PWR Integrated Circuits (ICs)

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The SN74CBT3345PWR is a high performance, low on-state resistance, low voltage, dual high voltage, octal bus transceiver with output enable and 3-state logic functions. It is a member of the Texas Instruments\' Cascadable Bus Transceiver (CBT) logic family which offers superior devices for those applications that require large I/O, high speed, low power, and small devices. This device falls within the Logic - Signal Switches, Multiplexers, Decoders category.The SN74CBT3345PWR is a low voltage, dual bus transceiver that supports two independent 8-bit buses (A and B). It is designed using CMOS technology and has an enable input (E) and a direction control input (DIR). When enabled (E = low), the direction of data flow is determined by the logic state of the DIR input. The low on-state resistance and low power loss enable a power efficient design.The SN74CBT3345PWR is an ideal solution for applications that require high input and output capacitance, low power dissipation, small package size, and low input and output thresholds. In addition, the device provides high data flow rates, and offers excellent noise immunity due to its low power dissipation.The SN74CBT3345PWR features three-state logic outputs. When the output enable (E) is high, all outputs are in the high impedance state and the bus lines connected to all outputs are inactive. When the output enable (E) is low, the control input (DIR) determines the direction of data flow.The SN74CBT3345PWR has high input and output capacitance, which makes it ideal for applications which require a high input and output capacitance. It also features a single, complementary active low output enable (OE) and a single, complementary active low TST (TRST) input. The single, complementary logic output (Q) allows faster transitioning from the active high to the active low states, making the device well suited for high speed applications such as FPGA, high speed bus and application specific embedded systems.The SN74CBT3345PWR is a high density logic device, ideal for applications which require a large number of inputs and outputs and require a low power dissipation. The device is available in a 20-pin Dual-In-Line Plastic Package (PDIP) or a 20-pin Small Outline Package (SOP) making it suitable for use in breadboard, SMT and test socket applications.The SN74CBT3345PWR working principle relies on the fact that when an output is enabled the logic levels of the I/O pins are inverted (active high to active low) depending on the logic level of the direction input (DIR). The logic level of the output is asserted on the chassis and the current flow between output and chassis is limited.The SN74CBT3345PWR has many application fields such as: bus switch/multiplexer, general-purpose switching, data bus isolator, bus buffering and general low-voltage logic level interfacing. It is widely used in automotive, medical and consumer electronics applications.In conclusion, the SN74CBT3345PWR is a high-performance, low on-state resistance, low voltage, dual high voltage, octal bus transceiver with output enable and 3-state logic functions specially designed for applications which require a large number of inputs and outputs and require low power dissipation. It is an ideal device for high speed applications such as FPGA, high speed bus and application specific embedded systems. The SN74CBT3345PWR is suitable for use in breadboard, SMT and test socket applications and is widely used in many application fields such as automotive, medical and consumer electronics.

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