SN74LS139ANSR

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The SN74LS139ANSR is an integrated circuit for logic-signal switches, multiplexers, and decoders. It is a dual 1-of-4 Decoder/Demultiplexer that provides high speed switching for high frequency applications. This integrated circuit has two separate active-low enable inputs. This enables two independent 4-line-to-1-line decoders or multiplexers. Each decoder/demultiplexer has an active-low active enable input (A or B). The two enable inputs are designed so that the output will be disabled when either one of the enable inputs is low. This allows for a logic high or low 00 output at any one time.

The SN74LS139ANSR is designed to provide a cost-effective solution for applications such as memory management control, relay control and many others. It is also used in analogue data acquisition, data storage and other digital systems. It can be used in multiplexers to reduce the number of connections to the system. It can also be used as a decoder to decode multiplexer outputs, as well as in various other applications.The SN74LS139ANSR is a low power, low voltage device, with a maximum supply voltage of 5.5 volts. It is available in a variety of packages, including PDIP, SOIC, and TSSOP. The device operates over a wide temperature range from -40°C to +125°C.The SN74LS139ANSR device consists of two 4-to-1 multiplexers with two selects, designated S1 and S2, which select one of four lines which are connected to the output. The outputs can be connected separately to either the true (open collector) or complement (open emitter) outputs.The SN74LS139ANSR has two separate enable inputs, designated A and B. When either enable input is low, the output will be disabled. The chip also offers two active low inputs that can be used to activate the output; this feature is used in the case where a logic low or high 00 output is desired at any one time.The SN74LS139ANSR can be used in a wide variety of applications, including memory management control, relay control, analogue data acquisition, data storage, and many other digital systems. It is a low power and low voltage device that is highly reliable and offers a wide range of package options, making it an ideal choice for many applications.

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