SN74ALVTH16244VR: 16-Bit Buffer/Driver with 3-State Outputs
The SN74ALVTH16244VR from Texas Instruments is a high-performance, 16-bit buffer and driver designed for use in systems that require high-speed data transfer and low-voltage operation. This integrated circuit is part of the Advanced Low-Voltage CMOS family and is particularly suitable for implementing buffer functions in servers, desktops, workstations, and other advanced computer applications.
The device features 16 non-inverting buffers/drivers with 3-state outputs, which can be employed to interface with high-speed memory devices or as a buffer for high-drive applications. The 3-state outputs ensure that the device can be connected to a bus or data lines without causing contention or loading the bus when the outputs are in the high-impedance state.
The SN74ALVTH16244VR operates on a 2.5V to 3.6V supply voltage, making it compatible with low-voltage systems while still providing the necessary level of performance and power efficiency. This voltage range also allows for interfacing with both 3.3V and 2.5V logic levels without the need for external level shifters, simplifying system design and reducing overall component count.
The device is housed in a thin shrink small-outline package (TSSOP), which is ideal for space-constrained applications. It also features balanced output drive with current limiting resistors, which minimizes the effects of signal reflection on high-speed data lines by matching the output impedance to the transmission line impedance. This ensures reliable high-speed data transmission and reduces signal integrity issues.
Furthermore, the SN74ALVTH16244VR has a bus-hold feature on the data inputs, which eliminates the need for external pull-up or pull-down resistors and ensures that the inputs remain at a valid logic level even when they are not actively driven.
In summary, the SN74ALVTH16244VR is a versatile and efficient solution for high-speed digital interfacing needs. With its wide voltage range, 3-state outputs, and packaging optimized for space-saving, it is an excellent choice for modern electronic systems that require robust performance in a compact footprint.