component
TC74HC4051AFT
Public Made by Adomby adom
TOSHIBA Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
TC74HC4051AFT
TOSHIBA · Signal Switches, Multiplexers, Decoders · TSSOP-16
TC74HC4051AFT from TOSHIBA, in a TSSOP-16. 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 | 4 | passive | Analog switch channel 4 terminal; switch I/O voltage is limited to VEE to VCC. |
| 2 | 6 | passive | Analog switch channel 6 terminal; switch I/O voltage is limited to VEE to VCC. |
| 3 | COM | passive | Common terminal of the 8-channel analog multiplexer/demultiplexer; switch I/O voltage is limited to VEE to VCC. |
| 4 | 7 | passive | Analog switch channel 7 terminal; switch I/O voltage is limited to VEE to VCC. |
| 5 | 5 | passive | Analog switch channel 5 terminal; switch I/O voltage is limited to VEE to VCC. |
| 6 | INH | input | Inhibit control input; when high (H) all switches are turned off, and the control input range is 0 V to VCC. |
| 7 | VEE | power_in | Negative supply, rated -6 V to 0 V, with VCC-VEE of 2 V to 12 V. |
| 8 | GND | power_in | Ground reference, 0 V, for the logic control inputs. |
| 9 | C | input | Channel-select control input (most significant bit of the binary address), with a range of 0 V to VCC. |
| 10 | B | input | Channel-select control input (middle bit of the binary address), with a range of 0 V to VCC. |
| 11 | A | input | Channel-select control input (least significant bit of the binary address), with a range of 0 V to VCC. |
| 12 | 3 | passive | Analog switch channel 3 terminal; switch I/O voltage is limited to VEE to VCC. |
| 13 | 0 | passive | Analog switch channel 0 terminal; switch I/O voltage is limited to VEE to VCC. |
| 14 | 1 | passive | Analog switch channel 1 terminal; switch I/O voltage is limited to VEE to VCC. |
| 15 | 2 | passive | Analog switch channel 2 terminal; switch I/O voltage is limited to VEE to VCC. |
| 16 | VCC | power_in | Positive logic supply, rated 2 V to 6 V (VCC-GND), and the reference for the control input and switch I/O limits. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |
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 control input voltage | VIHC | 1.5 | V | VCC = 2.0 V; Ta = 25°C and -40 to 85°C | 6 | ||
| High-level control input voltage | VIHC | 3.15 | V | VCC = 4.5 V; Ta = 25°C and -40 to 85°C | 6 | ||
| High-level control input voltage | VIHC | 4.2 | V | VCC = 6.0 V; Ta = 25°C and -40 to 85°C | 6 | ||
| Low-level control input voltage | VILC | 0.5 | V | VCC = 2.0 V; Ta = 25°C and -40 to 85°C | 6 | ||
| Low-level control input voltage | VILC | 1.35 | V | VCC = 4.5 V; Ta = 25°C and -40 to 85°C | 6 | ||
| Low-level control input voltage | VILC | 1.8 | V | VCC = 6.0 V; Ta = 25°C and -40 to 85°C | 6 | ||
| ON resistance | RON | 85 | 180 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = 25°C | 6 | |
| ON resistance | RON | 55 | 120 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = 25°C | 6 | |
| ON resistance | RON | 50 | 100 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 | |
| ON resistance | RON | 225 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 | ||
| ON resistance | RON | 150 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = -40 to 85°C | 6 | ||
| ON resistance | RON | 125 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | ||
| ON resistance | RON | 70 | 150 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = 25°C | 6 | |
| ON resistance | RON | 45 | 80 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 | |
| ON resistance | RON | 190 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 | ||
| ON resistance | RON | 100 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | ||
| Difference of ON resistance between switches | ΔRON | 35 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 | ||
| Difference of ON resistance between switches | ΔRON | 15 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = -40 to 85°C | 6 | ||
| Difference of ON resistance between switches | ΔRON | 12 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | ||
| Input/output leakage current (switch off) | IOFF | -600 | 600 | nA | VOS = VCC or GND; VIS = GND or VCC; VIN = VILC or VIHC; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 | |
| Input/output leakage current (switch off) | IOFF | -1000 | 1000 | nA | VOS = VCC or GND; VIS = GND or VCC; VIN = VILC or VIHC; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | |
| Switch input leakage current (switch on, output open) | IIZ | -600 | 600 | nA | VOS = VCC or GND; VIN = VILC or VIHC; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 | |
| Switch input leakage current (switch on, output open) | IIZ | -1000 | 1000 | nA | VOS = VCC or GND; VIN = VILC or VIHC; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | |
| Control input current | IIN | -1 | 1 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 | |
| Quiescent supply current | ICC | 4 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = 25°C | 6 | ||
| Quiescent supply current | ICC | 8 | μA | VIN = VCC or GND; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 | ||
| Quiescent supply current | ICC | 40 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 | ||
| Quiescent supply current | ICC | 80 | μA | VIN = VCC or GND; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 | ||
| Phase difference between input and output | φI/O | 75 | ns | All types; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 | ||
| Phase difference between input and output | φI/O | 15 | ns | All types; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 | ||
| Phase difference between input and output | φI/O | 13 | ns | All types; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 | ||
| Output enable time | tpZL, tpZH | 280 | ns | 4051A; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Output enable time | tpZL, tpZH | 56 | ns | 4051A; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Output enable time | tpZL, tpZH | 48 | ns | 4051A; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Output disable time | tpLZ, tpHZ | 315 | ns | 4051A; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Output disable time | tpLZ, tpHZ | 63 | ns | 4051A; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Output disable time | tpLZ, tpHZ | 54 | ns | 4051A; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 | ||
| Control input capacitance | CIN | 5 | 10 | pF | All types; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 | |
| COMMON terminal capacitance | CIS | 36 | 70 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 | |
| SWITCH terminal capacitance | COS | 7 | 15 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 | |
| Feedthrough capacitance | CIOS | 0.95 | 2 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 | |
| Supply voltage range VCC | VCC | -0.5 | 7 | V | 5 | ||
| Supply voltage range VCC-VEE | VCC-VEE | -0.5 | 13 | V | 5 | ||
| Control input voltage | VIN | -0.5 | V | upper limit printed as VCC + 0.5 V | 5 | ||
| Control input diode current | ICK | -20 | 20 | mA | 5 | ||
| I/O diode current | IIOK | -20 | 20 | mA | 5 | ||
| Switch through current | IT | -25 | 25 | mA | 5 | ||
| DC VCC or ground current | ICC | -50 | 50 | mA | 5 | ||
| Power dissipation | PD | 180 | mW | SOP/TSSOP package; DIP value is 500 mW | 5 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 5 | ||
| Supply voltage range VCC | VCC | 2 | 6 | V | 5 | ||
| Supply voltage range VEE | VEE | -6 | 0 | V | 5 | ||
| Supply voltage range VCC-VEE | VCC-VEE | 2 | 12 | V | 5 | ||
| Control input voltage | VIN | 0 | V | upper limit VCC | 5 | ||
| Operating temperature | Topr | -40 | 85 | °C | 5 | ||
| Control input rise and fall time | tr, tf | 0 | 1000 | ns | VCC = 2.0 V | 5 | |
| Control input rise and fall time | tr, tf | 0 | 500 | ns | VCC = 4.5 V | 5 | |
| Control input rise and fall time | tr, tf | 0 | 400 | ns | VCC = 6.0 V | 5 |
CAD (KiCad official)
- Symbol:
TC74HC4051AFT - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
tc74hc4051aft-etched.step/tc74hc4051aft-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tc74hc4051aft.step/tc74hc4051aft.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TOSHIBA datasheet (14 pp, sha256
3500ac825e1ae055, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).
# TC74HC4051AFT
**TOSHIBA** · Signal Switches, Multiplexers, Decoders · TSSOP-16
TC74HC4051AFT from TOSHIBA, in a TSSOP-16. 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 | 4 | passive | Analog switch channel 4 terminal; switch I/O voltage is limited to VEE to VCC. |
| 2 | 6 | passive | Analog switch channel 6 terminal; switch I/O voltage is limited to VEE to VCC. |
| 3 | COM | passive | Common terminal of the 8-channel analog multiplexer/demultiplexer; switch I/O voltage is limited to VEE to VCC. |
| 4 | 7 | passive | Analog switch channel 7 terminal; switch I/O voltage is limited to VEE to VCC. |
| 5 | 5 | passive | Analog switch channel 5 terminal; switch I/O voltage is limited to VEE to VCC. |
| 6 | INH | input | Inhibit control input; when high (H) all switches are turned off, and the control input range is 0 V to VCC. |
| 7 | VEE | power_in | Negative supply, rated -6 V to 0 V, with VCC-VEE of 2 V to 12 V. |
| 8 | GND | power_in | Ground reference, 0 V, for the logic control inputs. |
| 9 | C | input | Channel-select control input (most significant bit of the binary address), with a range of 0 V to VCC. |
| 10 | B | input | Channel-select control input (middle bit of the binary address), with a range of 0 V to VCC. |
| 11 | A | input | Channel-select control input (least significant bit of the binary address), with a range of 0 V to VCC. |
| 12 | 3 | passive | Analog switch channel 3 terminal; switch I/O voltage is limited to VEE to VCC. |
| 13 | 0 | passive | Analog switch channel 0 terminal; switch I/O voltage is limited to VEE to VCC. |
| 14 | 1 | passive | Analog switch channel 1 terminal; switch I/O voltage is limited to VEE to VCC. |
| 15 | 2 | passive | Analog switch channel 2 terminal; switch I/O voltage is limited to VEE to VCC. |
| 16 | VCC | power_in | Positive logic supply, rated 2 V to 6 V (VCC-GND), and the reference for the control input and switch I/O limits. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | TSSOP-16 |
| Category | Logic |
| Pins | 16 |
## 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 control input voltage | VIHC | 1.5 | | | V | VCC = 2.0 V; Ta = 25°C and -40 to 85°C | 6 |
| High-level control input voltage | VIHC | 3.15 | | | V | VCC = 4.5 V; Ta = 25°C and -40 to 85°C | 6 |
| High-level control input voltage | VIHC | 4.2 | | | V | VCC = 6.0 V; Ta = 25°C and -40 to 85°C | 6 |
| Low-level control input voltage | VILC | | | 0.5 | V | VCC = 2.0 V; Ta = 25°C and -40 to 85°C | 6 |
| Low-level control input voltage | VILC | | | 1.35 | V | VCC = 4.5 V; Ta = 25°C and -40 to 85°C | 6 |
| Low-level control input voltage | VILC | | | 1.8 | V | VCC = 6.0 V; Ta = 25°C and -40 to 85°C | 6 |
| ON resistance | RON | | 85 | 180 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = 25°C | 6 |
| ON resistance | RON | | 55 | 120 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = 25°C | 6 |
| ON resistance | RON | | 50 | 100 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 |
| ON resistance | RON | | | 225 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 |
| ON resistance | RON | | | 150 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = -40 to 85°C | 6 |
| ON resistance | RON | | | 125 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| ON resistance | RON | | 70 | 150 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = 25°C | 6 |
| ON resistance | RON | | 45 | 80 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 |
| ON resistance | RON | | | 190 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 |
| ON resistance | RON | | | 100 | Ω | VIN = VILC or VIHC; VI/O = VCC or VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Difference of ON resistance between switches | ΔRON | | | 35 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C | 6 |
| Difference of ON resistance between switches | ΔRON | | | 15 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -4.5 V; VCC = 4.5 V; Ta = -40 to 85°C | 6 |
| Difference of ON resistance between switches | ΔRON | | | 12 | Ω | VIN = VILC or VIHC; VI/O = VCC to VEE; II/O ≤ 2 mA; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Input/output leakage current (switch off) | IOFF | -600 | | 600 | nA | VOS = VCC or GND; VIS = GND or VCC; VIN = VILC or VIHC; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Input/output leakage current (switch off) | IOFF | -1000 | | 1000 | nA | VOS = VCC or GND; VIS = GND or VCC; VIN = VILC or VIHC; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Switch input leakage current (switch on, output open) | IIZ | -600 | | 600 | nA | VOS = VCC or GND; VIN = VILC or VIHC; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Switch input leakage current (switch on, output open) | IIZ | -1000 | | 1000 | nA | VOS = VCC or GND; VIN = VILC or VIHC; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Control input current | IIN | -1 | | 1 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Quiescent supply current | ICC | | | 4 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = 25°C | 6 |
| Quiescent supply current | ICC | | | 8 | μA | VIN = VCC or GND; VEE = -6.0 V; VCC = 6.0 V; Ta = 25°C | 6 |
| Quiescent supply current | ICC | | | 40 | μA | VIN = VCC or GND; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Quiescent supply current | ICC | | | 80 | μA | VIN = VCC or GND; VEE = -6.0 V; VCC = 6.0 V; Ta = -40 to 85°C | 6 |
| Phase difference between input and output | φI/O | | | 75 | ns | All types; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 |
| Phase difference between input and output | φI/O | | | 15 | ns | All types; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 |
| Phase difference between input and output | φI/O | | | 13 | ns | All types; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; tr = tf = 6 ns | 7 |
| Output enable time | tpZL, tpZH | | | 280 | ns | 4051A; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Output enable time | tpZL, tpZH | | | 56 | ns | 4051A; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Output enable time | tpZL, tpZH | | | 48 | ns | 4051A; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Output disable time | tpLZ, tpHZ | | | 315 | ns | 4051A; VEE = GND; VCC = 2.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Output disable time | tpLZ, tpHZ | | | 63 | ns | 4051A; VEE = GND; VCC = 4.5 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Output disable time | tpLZ, tpHZ | | | 54 | ns | 4051A; VEE = GND; VCC = 6.0 V; Ta = -40 to 85°C; CL = 50 pF; RL = 1 kΩ | 7 |
| Control input capacitance | CIN | | 5 | 10 | pF | All types; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 |
| COMMON terminal capacitance | CIS | | 36 | 70 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 |
| SWITCH terminal capacitance | COS | | 7 | 15 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 |
| Feedthrough capacitance | CIOS | | 0.95 | 2 | pF | 4051A; VEE = -5.0 V; VCC = 5.0 V; typ at Ta = 25°C; max at Ta = 25°C and -40 to 85°C | 7 |
| Supply voltage range VCC | VCC | -0.5 | | 7 | V | | 5 |
| Supply voltage range VCC-VEE | VCC-VEE | -0.5 | | 13 | V | | 5 |
| Control input voltage | VIN | -0.5 | | | V | upper limit printed as VCC + 0.5 V | 5 |
| Control input diode current | ICK | -20 | | 20 | mA | | 5 |
| I/O diode current | IIOK | -20 | | 20 | mA | | 5 |
| Switch through current | IT | -25 | | 25 | mA | | 5 |
| DC VCC or ground current | ICC | -50 | | 50 | mA | | 5 |
| Power dissipation | PD | | | 180 | mW | SOP/TSSOP package; DIP value is 500 mW | 5 |
| Storage temperature | Tstg | -65 | | 150 | °C | | 5 |
| Supply voltage range VCC | VCC | 2 | | 6 | V | | 5 |
| Supply voltage range VEE | VEE | -6 | | 0 | V | | 5 |
| Supply voltage range VCC-VEE | VCC-VEE | 2 | | 12 | V | | 5 |
| Control input voltage | VIN | 0 | | | V | upper limit VCC | 5 |
| Operating temperature | Topr | -40 | | 85 | °C | | 5 |
| Control input rise and fall time | tr, tf | 0 | | 1000 | ns | VCC = 2.0 V | 5 |
| Control input rise and fall time | tr, tf | 0 | | 500 | ns | VCC = 4.5 V | 5 |
| Control input rise and fall time | tr, tf | 0 | | 400 | ns | VCC = 6.0 V | 5 |
## CAD (KiCad official)
- Symbol: `TC74HC4051AFT`
- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`
- 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files: `tc74hc4051aft-etched.step` / `tc74hc4051aft-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tc74hc4051aft.step` / `tc74hc4051aft.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [TOSHIBA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603020961487085568) (14 pp, sha256 `3500ac825e1ae055`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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](docs/tc74hc4051aft-datasheet.pdf)