74AHC125-Q100; 74AHCT125-Q100

Quad buffer/line driver; 3-state

The 74AHC125-Q100; 74AHCT125-Q100 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard JESD7-A.

The 74AHC125-Q100; 74AHCT125-Q100 provides four non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs (nY) are controlled by the output enable input (nOE). A HIGH at nOE causes the outputs to assume a high-impedance OFF-state.

The 74AHC125-Q100; 74AHCT125-Q100 is identical to the 74AHC126-Q100; 74AHCT126-Q100 but has active LOW enable inputs.

This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1) and is suitable for use in automotive applications.


  • Automotive product qualification in accordance with AEC-Q100 (Grade 1)
    • Specified from -40 °C to +85 °C and from -40 °C to +125 °C
  • Balanced propagation delays
  • All inputs have a Schmitt trigger action
  • Inputs accept voltages higher than VCC
  • For 74AHC125-Q100: CMOS input levels
  • For 74AHCT125-Q100: TTL input levels
  • ESD protection:
    • MIL-STD-883, method 3015 exceeds 2000 V
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V (C = 200 pf, R = 0 Ω)
  • Multiple package options

Target applications


Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)fmax (MHz)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74AHC125BQ-Q100Production2.0 - 5.5CMOS± 8604low-40~12510318.471DHVQFN14
74AHC125D-Q100Production2.0 - 5.5CMOS± 8604low-40~12510517.863SO14
74AHC125PW-Q100Production2.0 - 5.5CMOS± 8604low-40~1251396.964TSSOP14
74AHCT125BQ-Q100Production4.5 - 5.5TTL± 8604low-40~12510318.471DHVQFN14
74AHCT125D-Q100Production4.5 - 5.5TTL± 8604low-40~12510517.863SO14
74AHCT125PW-Q100Production4.5 - 5.5TTL± 8604low-40~1251391.064TSSOP14


Type numberPackageOutline versionReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
SOT762-1Reel 7" Q1/T1ActiveAC12574AHC125BQ-Q100,11
( 9352 984 23115 )
Reel 13" Q1/T1Active74AHC125D74AHC125D-Q100,118
( 9352 984 21118 )
Reel 13" Q1/T1ActiveAHC12574AHC125PW-Q100,11
( 9352 984 22118 )
SOT762-1Reel 7" Q1/T1ActiveAT12574AHCT125BQ-Q100,1
( 9352 984 26115 )
Reel 13" Q1/T1Active74AHCT125D74AHCT125D-Q100,11
( 9352 984 24118 )
Reel 13" Q1/T1ActiveAHCT12574AHCT125PW-Q100,1
( 9352 984 25118 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRMSLMSL leadfree
74AHC125BQ-Q10074AHC125BQ-Q100,1174AHC125BQ-Q100Always Pb-free84.911
74AHC125D-Q10074AHC125D-Q100,11874AHC125D-Q100Always Pb-free84.911
74AHC125PW-Q10074AHC125PW-Q100,1174AHC125PW-Q100Always Pb-free84.911
74AHCT125BQ-Q10074AHCT125BQ-Q100,174AHCT125BQ-Q100Always Pb-free84.911
74AHCT125D-Q10074AHCT125D-Q100,1174AHCT125D-Q100Always Pb-free84.911
74AHCT125PW-Q10074AHCT125PW-Q100,174AHCT125PW-Q100Always Pb-free84.911
Quality and reliability disclaimer

Documentation (16)

File nameTitleTypeDate
74AHC_AHCT125_Q100Quad buffer/line driver; 3-stateData sheet2017-05-03
ahc125ahc125 IBIS modelIBIS model2013-04-07
ahct125ahct125 IBIS modelIBIS model2013-04-07
SOT762-1_471DHVQFN14; Reel sulfur barrier pack, SMD, 7" Q1/T1 standard product orientation Orderable part number ending ,471 or Z Ordering code (12NC) ending 471Packing2016-01-21
SOT762-1plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 14 terminals; 0.5 mm pitch; 3 mm x 2.5 mm x 1 mm bodyOutline drawing2018-11-14
SOT762-1_115DHVQFN14; Reel pack for SMD, 7"; Q1/T1 product orientationPacking2020-02-13
SOT402-1_623TSSOP14; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 623 or XP; Ordering code (12NC) ending 623Packing2013-05-15
SOT402-1_653TSSOP14; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 653 or HL; Ordering code (12NC) ending 653Packing2013-05-15
SOT402-1plastic, thin shrink small outline package; 14 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm bodyOutline drawing2018-10-18
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT402-1_118TSSOP14; Reel pack for SMD, 13"; Q1/T1 product orientationPacking2019-11-29
SOT108-1_431SO14; Reel sulfur barrier pack, SMD, 13" Q1/T1 standard product orientation Orderable part number ending ,431 or Z Ordering code (12NC) ending 431Packing2016-11-24
SOT108-1plastic, small outline package; 14 leads; 1.27 mm pitch; 8.65 mm x 3.9 mm x 1.75 mm bodyOutline drawing2018-10-18
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT108-1_118SO14; Reel pack for SMD, 13"; Q1/T1 product orientationPacking2020-02-14


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
ahc125ahc125 IBIS modelIBIS model2013-04-07
ahct125ahct125 IBIS modelIBIS model2013-04-07


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