SN74CBT3861DBQR

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SN74CBT3861DBQR, belonging to the device family of digital logic integrated circuits, is categorized under Logic- Signal switches, multiplexers, and decoders. Specifically, it is a device that combines a 4-channel data selector/multiplexer and a 4-to-1 multiplexer, which is designed to provide non-inverting data selection and signal switching functions that directly address low-power TTL logic families. It consists of two sections, the data selector section, and the 4-channel multiplexer section.

The signal paths of the data selector section feature diode protection which protect the sections of the multiplexer from over-voltage damage; it also includes an active output circuit that ensures fast switching time. The 4-to-1 multiplexer section features high impedance switches and low-level logic, along with low static power consumption and low noise. As an ideal device for higher-speed, low power applications, the SN74CBT3861DBQR has a wide range of application fields, such as memory and peripheral devices, data and address bus control, register select and control, laptop computers, and industrial controllers.

The working principle of the SN74CBT3861DBQR is based on its two sections, the data selector/multiplexer and the 4-to-1 Multiplexer. The data selector/multiplexer section enables address selection (A1, A0) and data selection (B1, B0), using two four-bit inputs, A0-A3 and B0-B3. The 4-to-1 multiplexer section multiplexes four 5-bit mux inputs (I0-I3) and uses a 5-bit multiplexer enable signal (EN). The data selector/multiplexer section enables the selection of one data word out of four, while the 4-to-1 multiplexer section enables the selection of one of four 5-bit words. A low level signal on the enable (EN) input pin when applied to the input signals I0-I3, selects the 5-bit output word of the 4-to-1 multiplexer section.

In conclusion, the SN74CBT3861DBQR is a digital logic integrated circuit that is categorized under Logic- Signal switches, multiplexers, and decoders. It consists of two sections, the data selector section, and the 4-to-1 multiplexer section, which enable address/data selection and signal switching its wide range of application fields. It is designed to provide non-inverting data selection and signal switching functions that directly address low-power TTL logic families.

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