SN74LVTH16500DL

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The SN74LVTH16500DL is a high-performance, low-power, low-voltage, low-skew, dual-bus, 16-bit buffer/line driver. It is ideal for networking and data transmission applications. This device is commonly used as a bridge between two buses in order to match the timing and electrical characteristics of the transmitters and receivers connected. It is available in 16-pin SOIC or TSSOP packages.

Application Field

The SN74LVTH16500DL is designed to enable power-efficient, high-speed data transmission between two buses. It is commonly used for buffering and line driving data buses in network applications, such as Ethernet, GbE, and USB, where both transmission timing and electrical characteristics need to be matched and allowed for. It can also be used for level shifting and driving logic signals between two buses, such as LVDS and LVCMOS, with very low propagation delay. The device can be cascaded for longer lengths of buses with ease.

Working Principle

The SN74LVTH16500DL is a dual bus buffer/driver that operates at low supply voltages of 2.7V to 3.6V. It provides 16-bit bidirectional buffering of two buses and supports two operating modes, tri-state and asymmetric output-enable. The device can transmit and receive data simultaneously, allowing for full duplex operation. It is designed to interface between two buses with different electrical and timing characteristics and can drive up to 25pF of capacitive load per line.

The device uses a non-inverting three-state output structure and has Schmitt-trigger inputs that allow it to reliably detect logic thresholds on the input buses. It is capable of driving up to 32mA of output current. It provides programmer-selectable output drive strengths of 1x and 4x, allowing the device to be tailored to the application. When operating in tri-state mode, outputs are actively driven to high-impedance state and it has an asynchronous sieve feature which ensures independent operation of the buses.

Conclusion

The SN74LVTH16500DL is a versatile, low-power buffer/line driver designed for power-efficient, high-speed data transmission between two buses. It is ideal for applications that need to bridge the gap between two buses with different electrical and timing characteristics. The device uses a non-inverting three-state output structure and has Schmitt-trigger inputs to ensure reliable signal integrity. It is programmable for desired power and performance level, making it suitable for a wide range of applications.

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