HEF4555BT,652

Series:	4000B
Packaging:	Tube
Part Status:	Active
Type:	Decoder/Demultiplexer
Circuit:	1 x 2:4
Independent Circuits:	2
Current - Output High, Low:	3mA, 3mA
Voltage Supply Source:	Dual Supply
Voltage - Supply:	3 V ~ 15 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SO
Base Part Number:	4555

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Logic - Signal Switches, Multiplexers and Decoders

Logic - signal switches and multiplexers, as well as decoders, form a family of electronic components specifically designed to process electronic signals - usually digital ones - and control their direction, transforming them into an output. The HEF4555BT,652 is a particular example of such devices. This switch is a low-power frequency response device, primarily used as a switch in repetitive frequency circuits between two different frequencies. It is a BC-652-V1 variant, with two logic outputs and two fixed frequency inputs, and is mainly used in the production of sine waves. The HEF4555BT,652 makes use of the latest in logic technology, and the vast majority of its components are CMOS chips, which offer a high level of noise immunity and rely on a low power supply voltage to work. This particular switch is able to capture frequencies as low as 10 kHz, as well as amplitudes as large as 10 volts. In terms of its actual body, the switch is composed of a ceramic substrate layers circuit, topped with a ceramic lid. An exposed die pad is found in the center of the substrate’s surface, while contact conductors are carefully placed at the edges. Finally, the lid is sealed with epoxy resin. In terms of its actual working principles, the switch works with a “fixed frequency” principle. In this system, each input is matched to a specific frequency, and then the chosen frequency is used to trigger the logic output. The action of the output is either to remain inactive - or behave in an “off” state - if the frequency is not met, or to become “on” if the chosen frequency is detected. The response rate of the switch is then determined by the speed at which an “on” or “off" state is triggered. The application field of the HEF4555BT,652 can be tracked to oscillatory circuits which are made of two repetitive frequency elements. The two frequencies that the switch interacts with can be either square waves or sine waves, with a frequency ranging between 10 kHz to 10 volts. This application of the switch is used mainly in the production of electronic boards with a frequency of operation higher than 100 MHz. It is especially useful as a replacement for optical switches in such cases.Apart from being used as a switch in these areas, the HEF4555BT,652 is also used in multiplexing and debouncing technique, which are highly beneficial for some applications such as motor control. The switch offers full compatibility between different logic device standards, as well as a wide selection of logic families. The HEF4555BT,652 is also used in remote control management, where its ability to process multiple frequencies makes it a great choice for remote access operations. The switch can be programmed to respond to different remote control signals, and can be used to switch the function of remote control receivers. In terms of other multiplexer and decoder operations, the HEF4555BT,652 can also be used to build clocks and timers, as well as automating the production of digital circuits such as flip-flop, multiplexer, and latches. The switch is also used to build logic gates, registers, and counters. The HEF4555BT,652 is an essential part of the logic - signal switches, multiplexers and decoders family. It provides a low power frequency response switch, with two logic outputs and two fixed frequency inputs. The switch is mostly used to control the direction of digital signals, as well as for building clocks, counters, logic gates, and registers. The switch is also used for motor control, remote control access, and production of digital circuits. The switch makes use of CMOS chips, and comes with a ceramic substrate and lid, epoxy resin and exposed die pad construction.

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