4066 – Quad Bilateral Switch – National

4066 Datasheet PDF learn more.

Part number : 4066, CD4066BM, CD4066BC

Functions : This is a kind of semiconductor, Quad Bilateral Switch.

Pin arrangement :

Package information : SOP, DIP 14 Pin

Manufacturer : National Semiconductor

Image :

4066 Datasheet PDF

The texts in the PDF file :

The CD4066BM/CD4066BC is a quad bilateral switch intended for the transmission or multiplexing of analog or digital signals. It is pin-for-pin compatible with CD4016BM/CD4016BC, but has a much lower “ON” resistance, and “ON” resistance is relatively constant over the input-signal range.


1. Analog signal switching/multiplexing
(1) Signal gating
(2) Squelch control
(3) Chopper
(4) Modulator/Demodulator
(5) Commutating switch

2. Digital signal switching/multiplexing

3. CMOS logic implementation

4. Analog-to-digital/digital-to-analog conversion

5. Digital control of frequency, impedance, phase, and analog-signal-gain

[ … ]

4066 PDF File

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