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74AHCT1G125W5-7

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Diodes Incorporated Buffers, Drivers, Receivers, Transceivers, SOT-25-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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74AHCT1G125W5-7

Diodes Incorporated · Buffers, Drivers, Receivers, Transceivers · SOT-25-5

74AHCT1G125W5-7 from Diodes Incorporated, in a SOT-25-5. 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 Output enable input; a HIGH level applied to OE places output Y in the high-impedance (Z) state.
2 A input Data input with Schmitt-trigger action, requiring VIH of at least 2.0 V and VIL of at most 0.8 V, and unused inputs should be held at VCC or ground.
3 GND power_in Ground reference pin; continuous current through GND is rated at -50 mA maximum.
4 Y tri_state Buffered data output (non-inverting with A) that is 3-state; continuous output current is limited to ±25 mA, with IOH of -8 mA and IOL of 8 mA recommended.
5 VCC power_in Supply voltage, with a recommended operating range of 4.5 V to 5.5 V and an absolute maximum range of -0.5 V to 6.5 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-25-5
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
High Level Output Voltage (25ºC) VOH 4.4 4.5 V IOH = -50μA, VCC 4.5V 4
High Level Output Voltage (-40ºC to 85ºC) VOH 4.4 V IOH = -50μA, VCC 4.5V 4
High Level Output Voltage (-40ºC to 125ºC) VOH 4.4 V IOH = -50μA, VCC 4.5V 4
High Level Output Voltage (25ºC) VOH 3.94 V IOH = -8mA, VCC 4.5V 4
High Level Output Voltage (-40ºC to 85ºC) VOH 3.8 V IOH = -8mA, VCC 4.5V 4
High Level Output Voltage (-40ºC to 125ºC) VOH 3.7 V IOH = -8mA, VCC 4.5V 4
Low Level Output Voltage (25ºC) VOL 0 0.1 V IOL = 50μA, VCC 4.5V 4
Low Level Output Voltage (-40ºC to 85ºC) VOL 0.1 V IOL = 50μA, VCC 4.5V 4
Low Level Output Voltage (-40ºC to 125ºC) VOL 0.1 V IOL = 50μA, VCC 4.5V 4
Low Level Output Voltage (25ºC) VOL 0.36 V IOL = 8mA, VCC 4.5V 4
Low Level Output Voltage (-40ºC to 85ºC) VOL 0.44 V IOL = 8mA, VCC 4.5V 4
Low Level Output Voltage (-40ºC to 125ºC) VOL 0.55 V IOL = 8mA, VCC 4.5V 4
Input Current (25ºC) II -0.1 0.1 μA VI = 5.5V or GND, VCC 0 to 5.5V 4
Input Current (-40ºC to 85ºC) II -1 1 μA VI = 5.5V or GND, VCC 0 to 5.5V 4
Input Current (-40ºC to 125ºC) II -2 2 μA VI = 5.5V or GND, VCC 0 to 5.5V 4
Z State Leakage Current (25ºC) IOZ 0.25 μA VO = 0 to 5.5V, VCC 5.5V 4
Z State Leakage Current (-40ºC to 85ºC) IOZ 2.5 μA VO = 0 to 5.5V, VCC 5.5V 4
Z State Leakage Current (-40ºC to 125ºC) IOZ 10 μA VO = 0 to 5.5V, VCC 5.5V 4
Supply Current (25ºC) ICC 1 μA VI = 5.5V or GND, IO = 0, VCC 5.5V 4
Supply Current (-40ºC to 85ºC) ICC 10 μA VI = 5.5V or GND, IO = 0, VCC 5.5V 4
Supply Current (-40ºC to 125ºC) ICC 40 μA VI = 5.5V or GND, IO = 0, VCC 5.5V 4
Input Capacitance (25ºC) Ci 2 10 pF VI = VCC or GND, VCC 5.5V 4
Input Capacitance (-40ºC to 85ºC) Ci 10 pF VI = VCC or GND, VCC 5.5V 4
Input Capacitance (-40ºC to 125ºC) Ci 10 pF VI = VCC or GND, VCC 5.5V 4
Additional Supply Current (25ºC) ΔICC 1.35 1.5 mA One input at 3.4 V, other inputs at VCC or GND, VCC 5.5V 4
Operating Voltage VCC 4.5 5.5 V 3
High-level Input Voltage VIH 2 V 3
Low-level Input Voltage VIL 0.8 V 3
Input Voltage VI 0 5.5 V 3
Output Voltage VO 0 V 3
High-level Output Current IOH -8 mA 3
Low-level Output Current IOL 8 mA 3
Input transition rise or fall rate Δt/ΔV 20 ns/V 3
Operating free-air temperature TA -40 125 ºC 3
ESD Human Body Model ESD HBM 2 KV Human Body Model ESD protection 3
ESD Charged Device Model ESD CDM 1 KV Charged Device Model ESD protection 3
ESD Machine Model ESD MM 200 V Machine Model ESD protection 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 Output in high or low state 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 ºC 3
Storage Temperature TSTG -65 150 ºC 3
Thermal Resistance Junction-to-Ambient (SOT25) θJA 204 ºC/W SOT25, device mounted on FR-4 PC board, 2oz copper, minimum recommended pad layout 4
Thermal Resistance Junction-to-Case (SOT25) θJC 52 ºC/W SOT25, device mounted on FR-4 PC board, 2oz copper, minimum recommended pad layout 4

CAD (KiCad official)

  • Symbol: 74AHCT1G125W5-7
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-25-5 (KiCad packages3D, STEP)
  • 3D model files: 74ahct1g125w5-7-etched.step / 74ahct1g125w5-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 74ahct1g125w5-7.step / 74ahct1g125w5-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (9 pp, sha256 1dc08dc39c2d4026, 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