SN74AHC245DWE4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The SN74AHC245DWE4 is a type of logic-buffering integrated circuit (IC) from Texas Instruments, featuring bidirectional data transfers on sixteen lines that enable multiple devices to communicate with each other. This device distinguishes itself from other logic-buffering ICs because it is the low-frequency version of the standard SN74A244N, having a lower propagation delay on the outputs and ensuring a faster data transfer rate. This makes it ideal for use in embedded systems that require higher speed and minimum energy consumption for its operation.

The SN74AHC245DWE4 is a TTL-compatible device, meaning it operates at five volts direct-current (VDC) and has an integrated Schmitt-trigger input logic. Its sixteen separate I/O ports are configured in two groups of eight, each with its own data input pins. Its data output pins are paired to their respective input pins, while one buffer per group buffers both data input and data output pins.

This IC is packed with features that make it highly reliable in many types of embedded applications. It is designed to handle two-level data transfer, meaning it effectively separates incoming and outgoing data. This makes it feasible for embedded systems with multiple data sources or receivers to transfer data without overloading each other. Because it is bus compatible, a single SN74AHC245DWE4 can be used by multiple devices without changing its configuration.

The SN74AHC245DWE4 runs with a typical power supply of 4.5 V to 5.5 V, ensuring that it requires minimal electricity to operate. It has an output voltage range of 3.0 V to 3.6 V, making it compliant with the popular TTL standard. Another great feature is that the integrated Schmitt-trigger input logic eliminates the need for external pull-up resistors, enabling this device to integrate with any bus-driven device seamlessly. It also operates over a wide temperature range, from -40°C to +125°C.

In terms of its applications, the SN74AHC245DWE4 is ideal for most embedded systems due its lower power consumption, fast data transfer rate, and wide operating range. It is particularly useful for applications such as motor control, communications systems, home automation, and automotive systems, which all require reliable data transfer. It can be used to buffer data coming either from a single source or multiple sources, increasing its versatility even further.

The SN74AHC245DWE4 works by receiving input data from its inputs, transferring it to its outputs, and blocking output signals from entering its inputs. Its specific operation is based on the voltage levels of its inputs and outputs: when the signal at the inputs is low, the outputs are disabled and no signal is transferred; when the signal at the inputs is high, the outputs are enabled and the signal is transferred. Its Schmitt-trigger input logic also allows it to distinguish between signals at different levels of logic, ensuring reliable transfers.

All in all, the SN74AHC245DWE4 from Texas Instruments is a highly reliable device for buffering and transferring data in embedded systems. It can handle two-level data transfer, runs on low-power, and features a wide temperature range, making it suitable for a variety of applications. Its integrated Schmitt-trigger input logic further enhances its reliability, ensuring a seamless data transfer regardless of what type of device is attached to it.

The specific data is subject to PDF, and the above content is for reference