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74VHC126FT

Public Made by Adom

by adom

TOSHIBA Buffers, Drivers, Receivers, Transceivers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74VHC126FT

TOSHIBA · Buffers, Drivers, Receivers, Transceivers · TSSOP-14

74VHC126FT from TOSHIBA, in a TSSOP-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 1G input Active-high 3-state control input for buffer 1; output 1Y is high impedance when 1G is low (74VHC126FT), input accepts 0 to 5.5 V.
2 1A input Data input of buffer 1, accepts 0 to 5.5 V regardless of supply voltage.
3 1Y tri_state 3-state non-inverted output of buffer 1, high impedance when 1G is low.
4 2G input Active-high 3-state control input for buffer 2; output 2Y is high impedance when 2G is low, input accepts 0 to 5.5 V.
5 2A input Data input of buffer 2, accepts 0 to 5.5 V regardless of supply voltage.
6 2Y tri_state 3-state non-inverted output of buffer 2, high impedance when 2G is low.
7 GND power_in Ground pin (0 V reference).
8 3Y tri_state 3-state non-inverted output of buffer 3, high impedance when 3G is low.
9 3A input Data input of buffer 3, accepts 0 to 5.5 V regardless of supply voltage.
10 3G input Active-high 3-state control input for buffer 3; output 3Y is high impedance when 3G is low, input accepts 0 to 5.5 V.
11 4Y tri_state 3-state non-inverted output of buffer 4, high impedance when 4G is low.
12 4A input Data input of buffer 4, accepts 0 to 5.5 V regardless of supply voltage.
13 4G input Active-high 3-state control input for buffer 4; output 4Y is high impedance when 4G is low, input accepts 0 to 5.5 V.
14 VCC power_in Supply voltage pin, operating range 2.0 V to 5.5 V (absolute maximum -0.5 to 7.0 V).

Key specifications

Parameter Value
Manufacturer TOSHIBA
Package TSSOP-14
Category Logic
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
Supply voltage VCC -0.5 7 V 3
Input voltage VIN -0.5 7 V 3
Output voltage VOUT -0.5 V -0.5 to VCC + 0.5 3
Input diode current IIK -20 mA 3
Output diode current IOK -20 20 mA ±20 3
Output current IOUT -25 25 mA ±25 3
VCC/ground current ICC -50 50 mA ±50 3
Power dissipation PD 180 mW 180 mW for Ta = -40 to 85; derate -3.25 mW/°C from 85 to 125 until 50 mW 3
Storage temperature Tstg -65 150 °C 3
Supply voltage VCC 2 5.5 V 3
Input voltage VIN 0 5.5 V 3
Output voltage VOUT 0 V 0 to VCC 3
Operating temperature Topr -40 125 °C 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 ± 0.5 V 3
High-level input voltage VIH 1.5 V Ta = 25 °C, VCC = 2.0 V 4
Low-level input voltage VIL 0.5 V Ta = 25 °C, VCC = 2.0 V 4
High-level output voltage VOH 1.9 2 V Ta = 25 °C, VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V 4
High-level output voltage VOH 2.58 V Ta = 25 °C, VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V 4
High-level output voltage VOH 3.94 V Ta = 25 °C, VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V 4
Low-level output voltage VOL 0 0.1 V Ta = 25 °C, VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V 4
Low-level output voltage VOL 0.36 V Ta = 25 °C, VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V 4
3-state output OFF-state leakage current IOZ -0.25 0.25 µA Ta = 25 °C, VIN = VIH or VIL, VOUT = VCC or GND, VCC = 5.5 V 4
Input leakage current IIN -0.1 0.1 µA Ta = 25 °C, VIN = 5.5 V or GND, VCC = 0 to 5.5 V 4
Quiescent supply current ICC 4 µA Ta = 25 °C, VIN = VCC or GND, VCC = 5.5 V 4
High-level output voltage VOH 1.9 V Ta = -40 to 85 °C, VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V 4
High-level output voltage VOH 2.48 V Ta = -40 to 85 °C, VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V 4
High-level output voltage VOH 3.8 V Ta = -40 to 85 °C, VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V 4
Low-level output voltage VOL 0.1 V Ta = -40 to 85 °C, VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V 4
Low-level output voltage VOL 0.44 V Ta = -40 to 85 °C, VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V 4
3-state output OFF-state leakage current IOZ -2.5 2.5 µA Ta = -40 to 85 °C, VIN = VIH or VIL, VOUT = VCC or GND, VCC = 5.5 V 4
Input leakage current IIN -1 1 µA Ta = -40 to 85 °C, VIN = 5.5 V or GND, VCC = 0 to 5.5 V 4
Quiescent supply current ICC 40 µA Ta = -40 to 85 °C, VIN = VCC or GND, VCC = 5.5 V 4
High-level input voltage VIH 1.5 V Ta = -40 to 125 °C, VCC = 2.0 V 5
Low-level input voltage VIL 0.5 V Ta = -40 to 125 °C, VCC = 2.0 V 5
High-level output voltage VOH 1.9 V Ta = -40 to 125 °C, VIN = VIH or VIL, IOH = -50 µA, VCC = 2.0 V 5
High-level output voltage VOH 2.4 V Ta = -40 to 125 °C, VIN = VIH or VIL, IOH = -4 mA, VCC = 3.0 V 5
High-level output voltage VOH 3.7 V Ta = -40 to 125 °C, VIN = VIH or VIL, IOH = -8 mA, VCC = 4.5 V 5
Low-level output voltage VOL 0.1 V Ta = -40 to 125 °C, VIN = VIH or VIL, IOL = 50 µA, VCC = 2.0 V 5
Low-level output voltage VOL 0.55 V Ta = -40 to 125 °C, VIN = VIH or VIL, IOL = 4 mA, VCC = 3.0 V 5
3-state output OFF-state leakage current IOZ -10 10 µA Ta = -40 to 125 °C, VIN = VIH or VIL, VOUT = VCC or GND, VCC = 5.5 V 5
Input leakage current IIN -2 2 µA Ta = -40 to 125 °C, VIN = 5.5 V or GND, VCC = 0 to 5.5 V 5
Quiescent supply current ICC 80 µA Ta = -40 to 125 °C, VIN = VCC or GND, VCC = 5.5 V 5
Propagation delay time tPLH,tPHL 5.6 8 ns Ta = 25 °C, VCC = 3.3 ± 0.3 V, CL = 15 pF 5
Propagation delay time tPLH,tPHL 8.1 11.5 ns Ta = 25 °C, VCC = 3.3 ± 0.3 V, CL = 50 pF 5
Propagation delay time tPLH,tPHL 3.8 5.5 ns Ta = 25 °C, VCC = 5.0 ± 0.5 V, CL = 15 pF 5
Propagation delay time tPLH,tPHL 5.3 7.5 ns Ta = 25 °C, VCC = 5.0 ± 0.5 V, CL = 50 pF 5
Propagation delay time tPLH,tPHL 1 8.5 ns Ta = -40 to 85 °C, VCC = 5.0 ± 0.5 V, CL = 50 pF 6
Propagation delay time tPLH,tPHL 1 9.5 ns Ta = -40 to 125 °C, VCC = 5.0 ± 0.5 V, CL = 50 pF 6
Input capacitance CIN 10 pF 6
Quiet output maximum dynamic VOL VOLP 0.3 0.8 V Ta = 25 °C, VCC = 5.0 V, CL = 50 pF 7
Quiet output minimum dynamic VOL VOLV -0.8 -0.3 V Ta = 25 °C, VCC = 5.0 V, CL = 50 pF 7
Minimum high-level dynamic input voltage VIHD 3.5 V Ta = 25 °C, VCC = 5.0 V, CL = 50 pF 7
Maximum low-level dynamic input voltage VILD 1.5 V Ta = 25 °C, VCC = 5.0 V, CL = 50 pF 7

CAD (KiCad official)

  • Symbol: 74VHC126FT
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: 74vhc126ft-etched.step / 74vhc126ft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhc126ft.step / 74vhc126ft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (8 pp, sha256 b13a699612b57a3f, retrieved 2026-10-27, 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