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74VHCT125AFT

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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74VHCT125AFT

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

74VHCT125AFT 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-low 3-state control input for buffer 1; high places 1Y in high impedance (74VHCT125AFT).
2 1A input Data input of buffer 1; TTL-compatible, 0 to 5.5 V, VIL 0.8 V max, VIH 2.0 V min.
3 1Y tri_state 3-state non-inverted output of buffer 1; high impedance when 1G is high.
4 2G input Active-low 3-state control input for buffer 2; high places 2Y in high impedance (74VHCT125AFT).
5 2A input Data input of buffer 2; TTL-compatible, 0 to 5.5 V, VIL 0.8 V max, VIH 2.0 V min.
6 2Y tri_state 3-state non-inverted output of buffer 2; high impedance when 2G is high.
7 GND power_in Ground (0 V) pin.
8 3Y tri_state 3-state non-inverted output of buffer 3; high impedance when 3G is high.
9 3A input Data input of buffer 3; TTL-compatible, 0 to 5.5 V, VIL 0.8 V max, VIH 2.0 V min.
10 3G input Active-low 3-state control input for buffer 3; high places 3Y in high impedance (74VHCT125AFT).
11 4Y tri_state 3-state non-inverted output of buffer 4; high impedance when 4G is high.
12 4A input Data input of buffer 4; TTL-compatible, 0 to 5.5 V, VIL 0.8 V max, VIH 2.0 V min.
13 4G input Active-low 3-state control input for buffer 4; high places 4Y in high impedance (74VHCT125AFT).
14 VCC power_in Supply voltage pin; operating range 4.5 to 5.5 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 (absolute maximum) VCC -0.5 7 V 3
Input voltage (absolute maximum) VIN -0.5 7 V 3
Output voltage (absolute maximum) VOUT -0.5 7 V Note 1: output in OFF state 3
Input diode current (absolute maximum) IIK -20 mA 3
Output diode current (absolute maximum) IOK -20 20 mA Note 3: VOUT < GND, VOUT > VCC 3
Output current (absolute maximum) IOUT -25 25 mA Note 2: H or L state 3
VCC/ground current (absolute maximum) ICC -50 50 mA 3
Power dissipation (absolute maximum) PD 180 mW Note 4: Ta = -40 to 85 °C; from Ta = 85 to 125 °C derate -3.25 mW/°C until 50 mW 3
Storage temperature (absolute maximum) Tstg -65 150 °C 3
Supply voltage (operating range) VCC 4.5 5.5 V 3
Input voltage (operating range) VIN 0 5.5 V 3
Output voltage (operating range, OFF state) VOUT 0 5.5 V Note 1: output in OFF state 3
Output voltage (operating range, H or L state) VOUT 0 V max = VCC as printed; Note 2: H or L state 3
Operating temperature Topr -40 125 °C 3
Input rise and fall time dt/dv 0 20 ns/V 3
High-level input voltage (Ta = 25 °C) VIH 2 V Ta = 25 °C; VCC = 4.5 to 5.5 V 4
Low-level input voltage (Ta = 25 °C) VIL 0.8 V Ta = 25 °C; VCC = 4.5 to 5.5 V 4
High-level output voltage (Ta = 25 °C) VOH 4.4 4.5 V Ta = 25 °C; IOH = -50 µA; VCC = 4.5 V 4
High-level output voltage (Ta = 25 °C) VOH 3.94 V Ta = 25 °C; IOH = -8 mA; VCC = 4.5 V 4
Low-level output voltage (Ta = 25 °C) VOL 0 0.1 V Ta = 25 °C; IOL = 50 µA; VCC = 4.5 V 4
Low-level output voltage (Ta = 25 °C) VOL 0.36 V Ta = 25 °C; IOL = 8 mA; VCC = 4.5 V 4
3-state output OFF-state leakage current (Ta = 25 °C) IOZ -0.25 0.25 µA Ta = 25 °C; VOUT = VCC or GND 4
Input leakage current (Ta = 25 °C) IIN -0.1 0.1 µA Ta = 25 °C; VIN = 5.5 V or GND 4
Quiescent supply current (Ta = 25 °C) ICC 4 µA Ta = 25 °C; VIN = VCC or GND 4
Quiescent supply current per input (Ta = 25 °C) ICCT 1.35 mA Ta = 25 °C; per input VIN = 3.4 V; other input VCC or GND 4
Output leakage current, power-OFF (Ta = 25 °C) IOPD 0.5 µA Ta = 25 °C; VOUT = 5.5 V 4
High-level input voltage (Ta = -40 to 85 °C) VIH 2 V Ta = -40 to 85 °C; VCC = 4.5 to 5.5 V 4
Low-level input voltage (Ta = -40 to 85 °C) VIL 0.8 V Ta = -40 to 85 °C; VCC = 4.5 to 5.5 V 4
High-level output voltage (Ta = -40 to 85 °C) VOH 4.4 V Ta = -40 to 85 °C; IOH = -50 µA; VCC = 4.5 V 4
High-level output voltage (Ta = -40 to 85 °C) VOH 3.8 V Ta = -40 to 85 °C; IOH = -8 mA; VCC = 4.5 V 4
Low-level output voltage (Ta = -40 to 85 °C) VOL 0.1 V Ta = -40 to 85 °C; IOL = 50 µA; VCC = 4.5 V 4
Low-level output voltage (Ta = -40 to 85 °C) VOL 0.44 V Ta = -40 to 85 °C; IOL = 8 mA; VCC = 4.5 V 4
3-state output OFF-state leakage current (Ta = -40 to 85 °C) IOZ -2.5 2.5 µA Ta = -40 to 85 °C; VOUT = VCC or GND 4
Input leakage current (Ta = -40 to 85 °C) IIN -1 1 µA Ta = -40 to 85 °C; VIN = 5.5 V or GND 4
Quiescent supply current (Ta = -40 to 85 °C) ICC 40 µA Ta = -40 to 85 °C; VIN = VCC or GND 4
Quiescent supply current per input (Ta = -40 to 85 °C) ICCT 1.5 mA Ta = -40 to 85 °C; per input VIN = 3.4 V; other input VCC or GND 4
Output leakage current, power-OFF (Ta = -40 to 85 °C) IOPD 5 µA Ta = -40 to 85 °C; VOUT = 5.5 V 4
High-level input voltage (Ta = -40 to 125 °C) VIH 2 V Ta = -40 to 125 °C; VCC = 4.5 to 5.5 V 4
Low-level input voltage (Ta = -40 to 125 °C) VIL 0.8 V Ta = -40 to 125 °C; VCC = 4.5 to 5.5 V 4
High-level output voltage (Ta = -40 to 125 °C) VOH 4.4 V Ta = -40 to 125 °C; IOH = -50 µA; VCC = 4.5 V 4
High-level output voltage (Ta = -40 to 125 °C) VOH 3.7 V Ta = -40 to 125 °C; IOH = -8 mA; VCC = 4.5 V 4
Low-level output voltage (Ta = -40 to 125 °C) VOL 0.1 V Ta = -40 to 125 °C; IOL = 50 µA; VCC = 4.5 V 4
Low-level output voltage (Ta = -40 to 125 °C) VOL 0.55 V Ta = -40 to 125 °C; IOL = 8 mA; VCC = 4.5 V 4
3-state output OFF-state leakage current (Ta = -40 to 125 °C) IOZ -10 10 µA Ta = -40 to 125 °C; VOUT = VCC or GND 4
Input leakage current (Ta = -40 to 125 °C) IIN -2 2 µA Ta = -40 to 125 °C; VIN = 5.5 V or GND 4
Quiescent supply current (Ta = -40 to 125 °C) ICC 80 µA Ta = -40 to 125 °C; VIN = VCC or GND 4
Quiescent supply current per input (Ta = -40 to 125 °C) ICCT 1.5 mA Ta = -40 to 125 °C; per input VIN = 3.4 V; other input VCC or GND 4
Output leakage current, power-OFF (Ta = -40 to 125 °C) IOPD 20 µA Ta = -40 to 125 °C; VOUT = 5.5 V 4
Quiet output maximum dynamic VOL VOLP 0.5 0.8 V CL = 50 pF; VCC = 5.0 V; Ta = 25 °C, tr = tf = 3 ns 5
Quiet output minimum dynamic VOL VOLV -0.8 -0.5 V CL = 50 pF; VCC = 5.0 V; Ta = 25 °C, tr = tf = 3 ns 5
Propagation delay time (Ta = 25 °C) tPLH,tPHL 3.8 5.5 ns RL = 1 kΩ; CL = 15 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
Propagation delay time (Ta = 25 °C) tPLH,tPHL 5.3 7.5 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output enable time (Ta = 25 °C) tPZL,tPZH 3.6 5.1 ns RL = 1 kΩ; CL = 15 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output enable time (Ta = 25 °C) tPZL,tPZH 5.1 7.1 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output disable time (Ta = 25 °C) tPLZ,tPHZ 6.1 8.8 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
Propagation delay time (Ta = -40 to 125 °C) tPLH,tPHL 1 7 ns RL = 1 kΩ; CL = 15 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
Propagation delay time (Ta = -40 to 125 °C) tPLH,tPHL 1 9.5 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output enable time (Ta = -40 to 125 °C) tPZL,tPZH 1 6.5 ns RL = 1 kΩ; CL = 15 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output enable time (Ta = -40 to 125 °C) tPZL,tPZH 1 9 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5
3-state output disable time (Ta = -40 to 125 °C) tPLZ,tPHZ 1 11 ns RL = 1 kΩ; CL = 50 pF; VCC = 5.0 ± 0.5 V; tr = tf = 3 ns 5

CAD (KiCad official)

  • Symbol: 74VHCT125AFT
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: 74vhct125aft-etched.step / 74vhct125aft-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74vhct125aft.step / 74vhct125aft.glb are the bare package body.

Provenance

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

  • Datasheet: TOSHIBA datasheet (7 pp, sha256 d1ce78bb4e790c7a, retrieved 2026-10-18, tier: lcsc)
  • 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