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MM74HC125MTC

Public Made by Adom

by adom

onsemi Buffer/Driver/Transceiver, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MM74HC125MTC

onsemi · Buffer/Driver/Transceiver · TSSOP-14

MM74HC125MTC from onsemi, 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 C1 input 3-STATE control input for buffer 1; taken high puts Y1 into high impedance (active-low enable).
2 A1 input Data input of buffer 1, with low input current of 1µA maximum.
3 Y1 tri_state 3-STATE non-inverting output of buffer 1 that follows A1 when C1 is low and is high impedance when C1 is high.
4 C2 input 3-STATE control input for buffer 2; taken high puts Y2 into high impedance (active-low enable).
5 A2 input Data input of buffer 2, with low input current of 1µA maximum.
6 Y2 tri_state 3-STATE non-inverting output of buffer 2 that follows A2 when C2 is low and is high impedance when C2 is high.
7 GND power_in Ground pin, 0V reference for all voltages.
8 Y3 tri_state 3-STATE non-inverting output of buffer 3 that follows A3 when C3 is low and is high impedance when C3 is high.
9 A3 input Data input of buffer 3, with low input current of 1µA maximum.
10 C3 input 3-STATE control input for buffer 3; taken high puts Y3 into high impedance (active-low enable).
11 Y4 tri_state 3-STATE non-inverting output of buffer 4 that follows A4 when C4 is low and is high impedance when C4 is high.
12 A4 input Data input of buffer 4, with low input current of 1µA maximum.
13 C4 input 3-STATE control input for buffer 4; taken high puts Y4 into high impedance (active-low enable).
14 VCC power_in Positive supply pin, recommended operating range 2V to 6V (absolute maximum -0.5 to +7.0V).

Key specifications

Parameter Value
Manufacturer onsemi
Package TSSOP-14
Category Logic ICs
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 2 6 V 4
DC Input or Output Voltage VIN, VOUT 0 V Upper limit printed as VCC 4
Operating Temperature Range TA -40 85 °C 4
Input Rise or Fall Time tr, tf 1000 ns VCC = 2.0V 4
Input Rise or Fall Time tr, tf 500 ns VCC = 4.5V 4
Input Rise or Fall Time tr, tf 400 ns VCC = 6.0V 4
Supply Voltage VCC -0.5 7 V Referenced to ground 4
DC Input Voltage VIN -1.5 V Upper limit printed as VCC+1.5V 4
DC Output Voltage VOUT -0.5 V Upper limit printed as VCC+0.5V 4
Clamp Diode Current IIK, IOK -20 20 mA 4
DC Output Current, per pin IOUT 35 mA Per pin 4
DC VCC or GND Current, per pin ICC -70 70 mA Per pin 4
Storage Temperature Range TSTG -65 150 °C 4
Power Dissipation PD 600 mW See Note 2 (derating for plastic N package) 4
Lead Temperature (Soldering 10 seconds) TL 260 °C Soldering 10 seconds 4
Minimum HIGH Level Input Voltage VIH 1.5 V VCC=2.0V, TA=-40 to 85°C 5
Minimum HIGH Level Input Voltage VIH 3.15 V VCC=4.5V, TA=-40 to 85°C 5
Minimum HIGH Level Input Voltage VIH 4.2 V VCC=6.0V, TA=-40 to 85°C 5
Maximum LOW Level Input Voltage VIL 0.5 V VCC=2.0V, TA=-40 to 85°C 5
Maximum LOW Level Input Voltage VIL 1.35 V VCC=4.5V, TA=-40 to 85°C 5
Maximum LOW Level Input Voltage VIL 1.8 V VCC=6.0V, TA=-40 to 85°C 5
Minimum HIGH Level Output Voltage VOH 1.9 2 V VIN=VIH or VIL, /IOUT/ ≤ 20µA, VCC=2.0V, TA=-40 to 85°C 5
Minimum HIGH Level Output Voltage VOH 4.4 4.5 V VIN=VIH or VIL, /IOUT/ ≤ 20µA, VCC=4.5V, TA=-40 to 85°C 5
Minimum HIGH Level Output Voltage VOH 5.9 6 V VIN=VIH or VIL, /IOUT/ ≤ 20µA, VCC=6.0V, TA=-40 to 85°C 5
Minimum HIGH Level Output Voltage VOH 3.84 4.2 V VIN=VIH or VIL, /IOUT/ ≤ 6.0mA, VCC=4.5V, TA=-40 to 85°C 5
Minimum HIGH Level Output Voltage VOH 5.34 5.7 V VIN=VIH or VIL, /IOUT/ ≤ 7.8mA, VCC=6.0V, TA=-40 to 85°C 5
Maximum LOW Level Output Voltage VOL 0 0.1 V VIN=VIH or VIL, /IOUT/ ≤ 20µA, VCC=2.0V, TA=-40 to 85°C 5
Maximum LOW Level Output Voltage VOL 0.2 0.33 V VIN=VIH or VIL, /IOUT/ ≤ 6.0mA, VCC=4.5V, TA=-40 to 85°C 5
Maximum 3-STATE Output Leakage Current IOZ -5 0.5 5 µA VIN=VIH or VIL, VOUT=VCC or GND, Cn=Disabled, VCC=6.0V, TA=-40 to 85°C 5
Maximum Input Current IIN -1 0.1 1 µA VIN=VCC or GND, VCC=6.0V, TA=-40 to 85°C 5
Maximum Quiescent Supply Current ICC 8 80 µA VIN=VCC or GND, IOUT=0µA, VCC=6.0V, TA=-40 to 85°C 5
Maximum Propagation Delay Time tPHL, tPLH 13 18 ns VCC=5V, TA=25°C, CL=45pF, tr=tf=6ns 6
Maximum Output Enable Time to HIGH Level tPZH 13 25 ns VCC=5V, TA=25°C, RL=1kΩ 6
Maximum Output Disable Time from HIGH Level tPHZ 17 25 ns VCC=5V, TA=25°C, RL=1kΩ, CL=5pF 6
Maximum Output Enable Time to LOW Level tPZL 18 25 ns VCC=5V, TA=25°C, RL=1kΩ 6
Maximum Output Disable Time from LOW Level tPLZ 13 25 ns VCC=5V, TA=25°C, RL=1kΩ, CL=5pF 6
Maximum Propagation Delay Time tPHL, tPLH 40 125 ns VCC=2.0V, CL=50pF, TA=-40 to 85°C 6
Maximum Propagation Delay Time tPHL, tPLH 14 25 ns VCC=4.5V, CL=50pF, TA=-40 to 85°C 6
Maximum Propagation Delay Time tPHL, tPLH 12 21 ns VCC=6.0V, CL=50pF, TA=-40 to 85°C 6
Maximum Propagation Delay Time (CL=150pF) tPLH, tPHL 35 163 ns VCC=2.0V, CL=150pF, TA=-40 to 85°C 6
Maximum Propagation Delay Time (CL=150pF) tPLH, tPHL 14 33 ns VCC=4.5V, CL=150pF, TA=-40 to 85°C 6
Maximum Propagation Delay Time (CL=150pF) tPLH, tPHL 12 28 ns VCC=6.0V, CL=150pF, TA=-40 to 85°C 6
Maximum Output Enable Time tPZH, tPZL 25 156 ns VCC=2.0V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Enable Time tPZH, tPZL 14 31 ns VCC=4.5V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Enable Time tPZH, tPZL 12 26 ns VCC=6.0V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Disable Time tPHZ, tPLZ 25 156 ns VCC=2.0V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Disable Time tPHZ, tPLZ 14 31 ns VCC=4.5V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Disable Time tPHZ, tPLZ 12 26 ns VCC=6.0V, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Enable Time (CL=150pF) tPZL, tPZH 35 175 ns VCC=2.0V, CL=150pF, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Enable Time (CL=150pF) tPZL, tPZH 15 35 ns VCC=4.5V, CL=150pF, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Enable Time (CL=150pF) tPZL, tPZH 13 30 ns VCC=6.0V, CL=150pF, RL=1kΩ, TA=-40 to 85°C 6
Maximum Output Rise and Fall Time tTLH, tTHL 30 75 ns VCC=2.0V, CL=50pF, TA=-40 to 85°C 6
Maximum Output Rise and Fall Time tTLH, tTHL 7 15 ns VCC=4.5V, CL=50pF, TA=-40 to 85°C 6
Maximum Output Rise and Fall Time tTLH, tTHL 6 13 ns VCC=6.0V, CL=50pF, TA=-40 to 85°C 6

CAD (KiCad official)

  • Symbol: MM74HC125MTC
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: mm74hc125mtc-etched.step / mm74hc125mtc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mm74hc125mtc.step / mm74hc125mtc.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (9 pp, sha256 27837f9092884bff, retrieved 2026-10-30, 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