SN74AHCT125PWE4

Series:	74AHCT
Packaging:	Tube
Part Status:	Active
Logic Type:	Buffer, Non-Inverting
Number of Elements:	4
Number of Bits per Element:	1
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	8mA, 8mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	14-TSSOP
Base Part Number:	74AHCT125

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Introduction

The SN74AHCT125PWE4AN is a single high-speed CMOS 4-channel 2-to-1 multiplexer/demultiplexer analog switch. It is designed for use in Analog, Digital and Mixed Signal Applications. The chip utilizes the latest advanced CMOS process technology and the latest packages from Texas Instruments.The SN74AHCT125PWE4AN is primarily designed for wireless applications that require ever-higher levels of integration. By combining a selector multiplexer, a demultiplexer, and a high-speed, low-power switching architecture, the SN74AHCT125PWE4AN is the ideal choice for complex switch designs.

Application Field

The SN74AHCT125PWE4AN is well suited for a variety of applications including, but not limited to: Cellular/Mobile Phones, Audio, Digital Voice/Data, VOIP, Automotive, Home Theater, Medical/Instrumentation, Security/Surveillance, PDA and Analog/Digital Instrumentation.For example, the SN74AHCT125PWE4AN can be used to switch audio signals between speakers of a mobile phone, switch video signals between cameras on a video surveillance system, and switch digital signals between computers in an interconnect system.The device can also be used in applications such as RF transceivers, audio mixers, and image sensors. It is well suited for low frequency (< 10mHz) analog signals or as a multiplexer/demultiplexer for high speed digital signals.

Working Principle

The SN74AHCT125PWE4AN is a 4-channel 2-to-1 multiplexer/demultiplexer analog switch. The device features two control inputs (A0 and A1) that are used to select a single output from either of the two inputs (A or B).The device is designed to switch low frequency (< 10mHz) analog signals or as a multiplexer/demultiplexer for high speed digital signals. The device is designed for use in extreme environments, such as harsh temperatures and high noise immunity.When A0 and A1 are both low, A is the selected input. When A0 is high and A1 is low, B is the selected input. When A0 and A1 are both high, both A and B inputs are selected.

Conclusion

The SN74AHCT125PWE4AN is an ideal choice for applications with extreme environments and high-speed digital signals. The device can be used to select between multiple inputs and multiple outputs, making it well suited for a variety of applications. The two control inputs enable flexible control of the device.

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