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74AHC1G125W5-7

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Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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74AHC1G125W5-7

Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · SOT-25

74AHC1G125W5-7 from Diodes Incorporated, in a SOT-25. 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 OE input Active-low output enable: Y follows A when OE is LOW and goes to high impedance (Z) when OE is HIGH, per the function table.
2 A input Data input with Schmitt-trigger action, tolerant of slow input rise and fall times; unused inputs should be held at VCC or GND.
3 GND power_in Ground reference pin.
4 Y tri_state 3-state data output with ±8 mA drive at 5.0 V; it enters a high-impedance state when OE is HIGH.
5 VCC power_in Supply voltage, operating range 2.0 V to 5.5 V (absolute maximum -0.5 V to 6.5 V).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-25
Category Logic
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Voltage VCC 2 5.5 V 3
High-level Input Voltage VIH 1.5 V VCC = 2V 3
High-level Input Voltage VIH 2.1 V VCC = 3V 3
High-level Input Voltage VIH 3.85 V VCC = 5.5V 3
Low-level input voltage VIL 0.5 V VCC = 2V 3
Low-level input voltage VIL 0.9 V VCC = 3V 3
Low-level input voltage VIL 1.65 V VCC = 5.5V 3
Input Voltage Range VI 0 5.5 V 3
High-level output current IOH -50 uA VCC = 2V 3
High-level output current IOH -4 mA VCC = 3.3V ± 0.3V 3
High-level output current IOH -8 mA VCC = 5V ± 0.5V 3
Low-level output current IOL 50 uA VCC = 2V 3
Low-level output current IOL 4 mA VCC = 5V ± 0.5V 3
Low-level output current IOL 8 mA VCC = 3V 3
Input transition rise or fall rate Δt/ΔV 100 ns/V VCC = 3.3V ± 0.3V 3
Input transition rise or fall rate Δt/ΔV 20 ns/V VCC = 5V ± 0.5V 3
Operating free-air temperature TA -40 125 ºC 3
ESD HBM Human Body Model ESD Protection ESD HBM 2 KV Human Body Model 3
ESD CDM Charged Device Model ESD Protection ESD CDM 1 KV Charged Device Model 3
ESD MM Machine Model ESD Protection ESD MM 200 V Machine Model 3
Supply Voltage Range VCC -0.5 6.5 V 3
Input Voltage Range VI -0.5 6.5 V 3
Voltage applied to output in high or low state VO -0.5 V High or low state; upper limit printed as VCC +0.5 V 3
Input Clamp Current IIK -20 mA VI<0 3
Output Clamp Current IOK -20 20 mA VO < 0 or VO > VCC 3
Continuous output current IO -25 25 mA VO = 0 to VCC 3
Continuous current through VCC ICC 50 mA 3
Continuous current through GND IGND -50 mA 3
Operating Junction Temperature TJ -40 150 °C 3
Storage Temperature TSTG -65 150 °C 3
High Level Output Voltage VOH 1.9 2 V IOH = -50μA; VCC = 2V; 25ºC 4
High Level Output Voltage VOH 1.9 V IOH = -50μA; VCC = 2V; -40ºC to 125ºC 4
High Level Output Voltage VOH 2.9 3 V IOH = -50μA; VCC = 3V; 25ºC 4
High Level Output Voltage VOH 2.9 V IOH = -50μA; VCC = 3V; -40ºC to 125ºC 4
High Level Output Voltage VOH 4.4 4.5 V IOH = -50μA; VCC = 4.5V; 25ºC 4
High Level Output Voltage VOH 4.4 V IOH = -50μA; VCC = 4.5V; -40ºC to 125ºC 4
High Level Output Voltage VOH 2.58 V IOH = -4mA; VCC = 3V; 25ºC 4
High Level Output Voltage VOH 2.4 V IOH = -4mA; VCC = 3V; -40ºC to 125ºC 4
High Level Output Voltage VOH 3.94 V IOH = -8mA; VCC = 4.5V; 25ºC 4
High Level Output Voltage VOH 3.7 V IOH = -8mA; VCC = 4.5V; -40ºC to 125ºC 4
Low Level Output Voltage VOL 0.1 V IOL = 50μA; VCC = 2V; 25ºC 4
Low Level Output Voltage VOL 0.36 V IOL = 4mA; VCC = 3V; 25ºC 4
Low Level Output Voltage VOL 0.55 V IOL = 4mA; VCC = 3V; -40ºC to 125ºC 4
Input Current II -2 2 μA VI = 5.5V or GND; VCC 0 to 5.5V; -40ºC to 125ºC 4
Input Current II -1 1 μA VI = 5.5V or GND; VCC 0 to 5.5V; -40ºC to 85ºC 4
Z State Leakage Current IOZ 10 μA VO = 0 to 5.5V; VCC 5.5V; -40ºC to 125ºC 4
Z State Leakage Current IOZ 2.5 μA VO = 0 to 5.5V; VCC 5.5V; -40ºC to 85ºC 4
Supply Current ICC 40 μA VI = 5.5V or GND; IO=0; VCC 5.5V; -40ºC to 125ºC 4
Supply Current ICC 10 μA VI = 5.5V or GND; IO=0; VCC 5.5V; -40ºC to 85ºC 4
Input Capacitance Ci 10 pF VI = VCC or GND; VCC 5.5V; -40ºC to 125ºC 4
Thermal Resistance Junction-to-Ambient, SOT25 (Note 4) θJA 195 °C/W Device mounted on FR-4, 2oz copper, minimum recommended pad layout 4
Thermal Resistance Junction-to-Case, SOT25 (Note 4) θJC 58 °C/W Device mounted on FR-4, 2oz copper, minimum recommended pad layout 4

CAD (KiCad official)

  • Symbol: 74AHC1G125W5-7
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-25 (KiCad packages3D, STEP)
  • 3D model files: 74ahc1g125w5-7-etched.step / 74ahc1g125w5-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74ahc1g125w5-7.step / 74ahc1g125w5-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (9 pp, sha256 da882a734dabd557, retrieved 2026-10-18, 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