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Quad Bilateral Switch - Default
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A quad bilateral analogue switch IC (M74HC4066B1R) containing four independent SPST switches in a single 14-pin DIP package. Each switch is normally open and...
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A quad bilateral analogue switch IC (M74HC4066B1R) containing four independent SPST switches in a single 14-pin DIP package. Each switch is normally open and closes when a logic-high voltage is applied to its control pin, making it useful for microcontroller-controlled signal routing, audio switching, and multiplexing.
Key Features
- Four SPST Switches – Independently controlled analogue switches
- Low On-Resistance – 80 Ω per switch
- Wide Supply Range – 2–12V operation
- Ultra-Low Power – 8 μA supply current
- DIP-14 Package – Breadboard and through-hole compatible
Pinout
Pin(s) Function 1, 2 Switch 1 3, 4 Switch 2 5 Control for Switch 2 6 Control for Switch 3 7 GND 8, 9 Switch 3 10, 11 Switch 4 12 Control for Switch 4 13 Control for Switch 1 14 VCCSpecifications
- IC – M74HC4066B1R (HC4066 compatible)
- On-State Resistance – 80 Ω
- Supply Current – 8 μA
- Supply Voltage – 2–12V
- Package – DIP-14
Ideal For
- Audio signal routing and muting
- Microcontroller-controlled analogue switching
- Signal multiplexing
- General-purpose analogue switch applications
Package Contents
- 1× M74HC4066B1R Quad Bilateral Switch (DIP-14)
Jargon buster
Plain-language definitions for the technical terms used above.
- GND
- GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
- VCC
- VCC is the positive power-supply connection on a chip or module. Connecting it to the correct supply voltage is needed for the part to power on and helps avoid damaging the electronics.
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