74ALVT162244DL,112

74ALVT162244DL,112 Application Field and Working Principle

The 74ALVT162244DL,112 is classified under Logic - Buffers, Drivers, Receivers, Transceivers. It is a 1-of-16 low voltage, low capacitance, low skew, bus transceiver designed for various data communication enabled applications such as LVDS (Low-voltage differential signaling), Ethernet and PCIe. It is the latest generation of the I2C, SPI, and PCIe bridge technology and offers optimized performance, flexibility and reliability.

Features

• Operates on voltage levels ranging from 1.65V to 3.6V provided by SSTL_2, which simplifies the use of integrated transceivers with electric data storage.
• Has 50-ohm calibrated inputs and outputs for accuracy and noise immunity compared to Pin Electronics.
• Enable pin disabled all output buffers. Outputs on pins DE run 30 percent lower than normal for under-voltage reliability.
• Output channels are fully isolated from each other for improved timing accuracy.
• utilizes an optimized array of 16 parallel output buffers with cascaded pre-emphasis driver enables improved signal integrity.
• A short-to-source or short-to-ground output protection helps protect the device from accidental damage.
• Internal voltage regulator ensures that the device maintains optimum performance in noisy and jitter environments.

Applications

The 74ALVT162244DL,112 is suited for many high-speed applications such as Telecommunications, Automotive, Industrial and Medical. It can be utilized for providing LVDS (Low Voltage Differential Signalling), PoE (Power over Ethernet) connections, connecting to swappable storage devices, connecting to PCIe storage devices and dealing with high speed ethernet connections.

The device is also suitable for Ethernet, PCIe (PCI Express), HDMI, High Speed Serial Twinax, USB 2.0, UART, and I2C devices. It is used in ASIC, FPGA and microcontroller designs. It provides levels of low-voltage performance, channel isolation, and low-power characteristics to reduce driver current in point-to-point configurations.

Working Principle

The 74ALVT162244DL,112 is composed of a 16-port bidirectional differential buffer array. Each receiver side input is differential compared with its counterpart output on the transmitter side. By doing this, the device can perform data communication and transfer over different mediums at very high speeds.

The 74ALVT162244DL,112 incorporates a low-skew input and output circuit blocks, which enables it to support different types of signaling. This includes LVDS (Low Voltage Differential Signalling) for long-distance communications, differential signaling for PCIe and Ethernet. Its input control and enable pins are used to independently configure the direction of data transmission for each channel.

The device also has on-chip power regulating circuitry to improve the resilience of the device to noisy and varying power supplies. It is a flexible design that provides a low-power solution with minimal gate and die count. This ensures that the device can operate over a wider range of supply voltages, while reducing power consumption.

Conclusion

The 74ALVT162244DL,112 provides a reliable and feature-rich solution for various data communication applications. It is a low-power, low-capacitance, low-skew, and low-voltage bus transceiver that combines a range of features to provide efficient and high-performing data communication. The device enables high-speed communications and is suitable for many applications such as Telecommunications, Automotive, Industrial, and Medical.