SN74CBT6845CDWR

Series:	74CBT
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Bus Switch
Circuit:	8 x 1:1
Independent Circuits:	1
Current - Output High, Low:	--
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74CBT6845

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SN74CBT6845CDWR is a logic high-performance device from Texas Instruments which can be used as a 4:2 analog multiplexer/ demultiplexer. This product is a part of their 14-bit dual-port memory map architecture. It is a highly integrated and feature-rich design which requires no external components or logic. SN74CBT6845CDWR can be used to multiplex or demultiplex multiple inputs and outputs, including audio, video, analog signals, and even other logic circuits. The main application fields of SN74CBT6845CDWR include switching multiple channels, decoding/encoding digital data streams or buses, combining or splitting analog and digital signals, and creating complex digital data routing networks. This product can also be used in complex digital systems such as switches, multiplexers, decoders, latches, mixers, converters, and logic devices. Its flexibility and versatility makes it a great choice for many digital applications. The working principle of SN74CBT6845CDWR is not complex at all. It has two sets of input and output, each set consisting of four I/O lines. All the input pins of SN74CBT6845CDWR are connected to two select control inputs CS0 and CS1. When both control inputs are HIGH, all the inputs are enabled, and the outputs will change accordingly. When a logic LOW is applied to any one of the two control inputs, only the corresponding inputs enable, while the output level of the other three is unaffected. The SN74CBT6845CDWR uses this behavior to select one of four inputs to be routed to the outputs. For example, when CS0 and CS1 are both set to LOW, then Input 0 will be routed to output 0 and Input 1 will be routed to output 1. Similarly, when CS1 is set to LOW and CS0 is set to HIGH, then Input 2 is routed to the output 0 and Input 3 is routed to the output 1. The SN74CBT6845CDWR is also configured in such a way that it can be used as a multiplexer or a demultiplexer device. The multiplexer mode allows multiple inputs to be routed to a single output, while the demultiplexer mode routes a single input to multiple outputs. Thus, this device can be used to switch multiple channels and to create complex digital data routing networks. In conclusion, the SN74CBT6845CDWR is an ideal choice for a variety of applications, ranging from audio and video switching, to digital data conversion and routing. Its simple working principle and flexibility make it a great choice for numerous digital design projects.

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