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Contents

README

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CD74HC4066PWR

Texas Instruments · Analog Switches, Multiplexers · TSSOP-14

CD74HC4066PWR from Texas Instruments, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1Y bidirectional Analog switch input/output for Switch 1, conducts bidirectional signals when switch is ON
2 1Z bidirectional Analog switch input/output for Switch 1, conducts bidirectional signals when switch is ON
3 2Z bidirectional Analog switch input/output for Switch 2, conducts bidirectional signals when switch is ON
4 2Y bidirectional Analog switch input/output for Switch 2, conducts bidirectional signals when switch is ON
5 2E input Control input for Switch 2, high level turns switch ON, low level turns switch OFF
6 3E input Control input for Switch 3, high level turns switch ON, low level turns switch OFF
7 GND power_in Ground, 0V reference potential for device operation
8 3Y bidirectional Analog switch input/output for Switch 3, conducts bidirectional signals when switch is ON
9 3Z bidirectional Analog switch input/output for Switch 3, conducts bidirectional signals when switch is ON
10 4Z bidirectional Analog switch input/output for Switch 4, conducts bidirectional signals when switch is ON
11 4Y bidirectional Analog switch input/output for Switch 4, conducts bidirectional signals when switch is ON
12 4E input Control input for Switch 4, high level turns switch ON, low level turns switch OFF
13 1E input Control input for Switch 1, high level turns switch ON, low level turns switch OFF
14 VCC power_in Positive power supply pin, 2V to 10V operating range for CD74HC4066

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Interface
Pins 14

CAD (KiCad official)

  • Symbol: CD74HC4066PWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: cd74hc4066pwr-etched.step / cd74hc4066pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc4066pwr.step / cd74hc4066pwr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 1b48baacb6c14b35, retrieved 2026-09-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF