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74VHC4066AFT

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TOSHIBA Analog Switches, Multiplexers, TSSOPB-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74VHC4066AFT

TOSHIBA · Analog Switches, Multiplexers · TSSOPB-14

74VHC4066AFT from TOSHIBA, in a TSSOPB-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1I/O passive Switch 1 bidirectional signal terminal; switch I/O voltage range is 0 to VCC.
2 1O/I passive Switch 1 bidirectional signal terminal on the opposite side; switch I/O voltage range is 0 to VCC.
3 2O/I passive Switch 2 bidirectional signal terminal; switch I/O voltage range is 0 to VCC.
4 2I/O passive Switch 2 bidirectional signal terminal on the opposite side; switch I/O voltage range is 0 to VCC.
5 2C input Control input for switch 2; high turns the switch on and low turns it off, and an unused input must be tied to VCC or GND.
6 3C input Control input for switch 3; high turns the switch on and low turns it off, and an unused input must be tied to VCC or GND.
7 GND power_in Ground reference (0 V).
8 3I/O passive Switch 3 bidirectional signal terminal; switch I/O voltage range is 0 to VCC.
9 3O/I passive Switch 3 bidirectional signal terminal on the opposite side; switch I/O voltage range is 0 to VCC.
10 4O/I passive Switch 4 bidirectional signal terminal; switch I/O voltage range is 0 to VCC.
11 4I/O passive Switch 4 bidirectional signal terminal on the opposite side; switch I/O voltage range is 0 to VCC.
12 4C input Control input for switch 4; high turns the switch on and low turns it off, and an unused input must be tied to VCC or GND.
13 1C input Control input for switch 1; high turns the switch on and low turns it off, and an unused input must be tied to VCC or GND.
14 VCC power_in Supply voltage; operating range 2.0 to 5.5 V, absolute maximum -0.5 to 7.0 V.

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TSSOPB-14
Category Interface
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
High-level input voltage VIH 1.5 V VCC = 2.0 V; Ta = 25 °C 4
High-level input voltage VIH 2 V VCC = 3.0 V; Ta = 25 °C 4
High-level input voltage VIH 3.15 V VCC = 4.5 V; Ta = 25 °C 4
High-level input voltage VIH 3.85 V VCC = 5.5 V; Ta = 25 °C 4
Low-level input voltage VIL 0.5 V VCC = 2.0 V; Ta = 25 °C 4
Low-level input voltage VIL 0.8 V VCC = 3.0 V; Ta = 25 °C 4
Low-level input voltage VIL 1.35 V VCC = 4.5 V; Ta = 25 °C 4
Low-level input voltage VIL 1.65 V VCC = 5.5 V; Ta = 25 °C 4
Input/Output leakage current (switch ON, output open) II/O -0.1 0.1 µA VCC = 5.5 V; Ta = 25 °C 4
Control input leakage current IIN -0.1 0.1 µA VCC = 5.5 V; Ta = 25 °C 4
Quiescent supply current ICC 2 µA VCC = 5.5 V; Ta = 25 °C 4
High-level input voltage VIH 1.5 V VCC = 2.0 V; Ta = -40 to 85 °C 5
High-level input voltage VIH 2 V VCC = 3.0 V; Ta = -40 to 85 °C 5
High-level input voltage VIH 3.15 V VCC = 4.5 V; Ta = -40 to 85 °C 5
High-level input voltage VIH 3.85 V VCC = 5.5 V; Ta = -40 to 85 °C 5
Low-level input voltage VIL 0.5 V VCC = 2.0 V; Ta = -40 to 85 °C 5
Low-level input voltage VIL 0.8 V VCC = 3.0 V; Ta = -40 to 85 °C 5
Low-level input voltage VIL 1.35 V VCC = 4.5 V; Ta = -40 to 85 °C 5
Low-level input voltage VIL 1.65 V VCC = 5.5 V; Ta = -40 to 85 °C 5
Input/Output leakage current (switch ON, output open) II/O -1 1 µA VCC = 5.5 V; Ta = -40 to 85 °C 5
Control input leakage current IIN -1 1 µA VCC = 5.5 V; Ta = -40 to 85 °C 5
Quiescent supply current ICC 20 µA VCC = 5.5 V; Ta = -40 to 85 °C 5
High-level input voltage VIH 1.5 V VCC = 2.0 V; Ta = -40 to 125 °C 6
High-level input voltage VIH 2 V VCC = 3.0 V; Ta = -40 to 125 °C 6
High-level input voltage VIH 3.15 V VCC = 4.5 V; Ta = -40 to 125 °C 6
High-level input voltage VIH 3.85 V VCC = 5.5 V; Ta = -40 to 125 °C 6
Low-level input voltage VIL 0.5 V VCC = 2.0 V; Ta = -40 to 125 °C 6
Low-level input voltage VIL 0.8 V VCC = 3.0 V; Ta = -40 to 125 °C 6
Low-level input voltage VIL 1.35 V VCC = 4.5 V; Ta = -40 to 125 °C 6
Low-level input voltage VIL 1.65 V VCC = 5.5 V; Ta = -40 to 125 °C 6
Input/Output leakage current (switch ON, output open) II/O -4 4 µA VCC = 5.5 V; Ta = -40 to 125 °C 6
Control input leakage current IIN -2 2 µA VCC = 5.5 V; Ta = -40 to 125 °C 6
Quiescent supply current ICC 40 µA VCC = 5.5 V; Ta = -40 to 125 °C 6
Supply voltage VCC 2 5.5 V 3
Input voltage VIN 0 5.5 V 3
Switch I/O voltage VI/O 0 V Printed upper limit: VCC 3
Operating temperature Topr -40 125 °C 3
Input rise and fall time dt/dv 0 200 ns/V VCC = 2.5 ± 0.2 V 3
Input rise and fall time dt/dv 0 100 ns/V VCC = 3.3 ± 0.3 V 3
Input rise and fall time dt/dv 0 20 ns/V VCC = 5.0 ± 0.5 V 3
Supply voltage VCC -0.5 7 V 3
Input voltage VIN -0.5 7 V 3
Switch I/O voltage VI/O -0.5 V Printed upper limit: VCC + 0.5 3
Input diode current IIK -20 mA 3
I/O diode current II/OK -25 25 mA 3
Switch through current IT -25 25 mA 3
VCC/ground current ICC -50 50 mA 3
Power dissipation PD 180 mW Ta = -40 to 85 °C; from 85 to 125 °C derate -3.25 mW/°C until 50 mW 3
Storage temperature Tstg -65 150 °C 3

CAD (KiCad official)

  • Symbol: 74VHC4066AFT
  • Footprint: Adom_Gen:TOSHIBA_74
  • 3D model: TSSOPB-14 (KiCad packages3D, STEP)
  • 3D model files: 74vhc4066aft-etched.step / 74vhc4066aft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhc4066aft.step / 74vhc4066aft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (13 pp, sha256 a142e5304ccc52cd, retrieved 2026-10-18, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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