CD74HCT257M

Series:	74HCT
Packaging:	Tube
Part Status:	Active
Type:	Multiplexer
Circuit:	4 x 2:1
Independent Circuits:	1
Current - Output High, Low:	6mA, 6mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74HCT257

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 CD74HCT257M is one of the most popular among logic-signal switches, multiplexers and decoders used in today\'s electronic systems. As of nowadays, it is widely used in many industries and applications, such as automotive, aerospace, communications, and many other areas of industry. This article aims to give an insight into the application fields and working principle of the CD74HCT257M.The CD74HCT257M is a high-speed CMOS logic-signal switch, multiplexer and decoder. It is a 16-channel multiplexer and a 4-channel decoder. As a multiplexer, it switches the input lines so that one of the 16 lines is connected to the output. As a decoder, it maps up to 4 inputs to 1 of the 16 outputs and is used to select one of 16 devices, typically addressed as A2, A1 and A0. In both cases, selection is controlled using the address pin A0, A1 and A2.The CD74HCT257M is designed to provide low power consumption with higher speed performance. It presents a variety of useful features, such as low-power TTL and CMOS compatibility, high-speed operation, and a wide voltage range of operation (2.5V to 6.5V). It is a versatile device and thus can be used in many applications, ranging from communications and automotive to aviation and medical electronics.In telecommunication systems, the CD74HCT257M is mainly used to control and switch signals in order to route them from one device to another. It is also used in complex switching applications, where multiplexers are used to switch signals from multiple sources to respective destinations.In automotive systems, the CD74HCT257M is used to control a wide range of features, including power windows, radio systems, or security systems. Moreover, it is also used in applications within the braking, steering and suspension systems. This device is integrated into a variety of automotive systems to control the routing of data and signals and manage the switching operations.Finally, in aviation systems, the CD74HCT257M is mainly used as a data input device, as it can receive data from a variety of sources. It is also used to switch signals from various systems such as navigation systems, sensor systems, lighting systems and other aircraft systems. The device is also used in the operation and monitoring of flight systems, including Advanced Flight Control (AFC), Engine Control, and Power Management systems.In terms of its working principle, the CD74HCT257M operates as a high-speed CMOS switch and multiplexer/decoder, by responding to input logic levels and switches signals from one device to another quickly and accurately. Selection operations are conducted by applying 3-bit address inputs A0, A1 and A2. When a particular address is applied, the corresponding Output line is activated, an appropriate signal or data is connected to the output. In addition, the device can be used to activate multiple outputs simultaneously. The CD74HCT257M device offers higher speeds compared to the TTL logic, which is advantageous in situations where high-speed operation is required. Furthermore, it offers a wide operating voltage range (2.5V to 6.5V), low current consumption and excellent noise immunity, which can be beneficial in applications where power regulations and paper circuits are used. Overall, the CD74HCT257M is a versatile device that offers increased speed and excellent noise immunity, making it the go-to choice for a wide range of applications, especially in telecommunication, automotive and aviation systems. This article provided an overview of the application fields and working principle of the CD74HCT257M.

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

Part Number	Manufacturer	Price	Quantity	Description