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  7. 74HC32; 74HCT32
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74HC32; 74HCT32

Quad 2-input OR gate

The 74HC32; 74HCT32 is a quad 2-input OR gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

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Features and benefits

  • Wide supply voltage range from 2.0 to 6.0 V
  • CMOS low power dissipation
  • High noise immunity
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
  • Complies with JEDEC standards:
    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)
  • Input levels:
    • For 74HC32: CMOS level
    • For 74HCT32: TTL level
  • Symmetrical output impedance
  • Balanced propagation delays
  • ESD protection:
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Multiple package options
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C

Parametrics

Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)fmax (MHz)Nr of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC32BQProduction2.0 - 6.0CMOS± 5.26.0364low-40~12510721.875DHVQFN14
74HC32DProduction2.0 - 6.0CMOS± 5.26.0364low-40~12510921.068SO14
74HC32PWProduction2.0 - 6.0CMOS± 5.26.0364low-40~1251428.168TSSOP14
74HCT32BQProduction4.5 - 5.5TTL± 49.0364low-40~12510721.875DHVQFN14
74HCT32DProduction4.5 - 5.5TTL± 49.0364low-40~12510921.068SO14
74HCT32PWProduction4.5 - 5.5TTL± 49.0364low-40~1251428.168TSSOP14

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC32BQ
DHVQFN14
(SOT762-1)
SOT762-1Reel 7” Q1/T1 or Q2/T3ActiveHC3274HC32BQ,115
( 9352 736 88115 )
74HC32D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HC32D74HC32D,653
( 9337 143 10653 )
74HC32PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHC3274HC32PW,118
( 9351 747 50118 )
74HCT32BQ
DHVQFN14
(SOT762-1)
SOT762-1Reel 7” Q1/T1 or Q2/T3ActiveHCT3274HCT32BQ,115
( 9352 737 31115 )
74HCT32D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HCT32D74HCT32D,653
( 9337 194 70653 )
74HCT32PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHCT3274HCT32PW,118
( 9351 869 10118 )

The variants in the table below are discontinued. See the table Discontinuation information for more information.

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC32D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Bulk Pack, CECCDiscontinued / End-of-life74HC32D74HC32D,652
( 9337 143 10652 )
74HC32PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Bulk PackDiscontinued / End-of-lifeHC3274HC32PW,112
( 9351 747 50112 )
74HCT32D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Bulk Pack, CECCDiscontinued / End-of-life74HCT32D74HCT32D,652
( 9337 194 70652 )
74HCT32PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Bulk PackDiscontinued / End-of-lifeHCT3274HCT32PW,112
( 9351 869 10112 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments
74HC32D9337143106522021-12-312022-06-3074HC32D
    74HC32PW9351747501122021-12-312022-06-3074HC32PW
      74HCT32D9337194706522021-12-312022-06-3074HCT32D
        74HCT32PW9351869101122021-12-312022-06-3074HCT32PW

          Quality, reliability & chemical content

          Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
          74HC32BQ74HC32BQ,11574HC32BQAlways Pb-free11
          74HC32D74HC32D,65374HC32Dweek 13, 200511
          74HC32PW74HC32PW,11874HC32PWweek 17, 200511
          74HCT32BQ74HCT32BQ,11574HCT32BQAlways Pb-free11
          74HCT32D74HCT32D,65374HCT32Dweek 13, 200511
          74HCT32PW74HCT32PW,11874HCT32PWweek 10, 200511

          The variants in the table below are discontinued. See the table Discontinuation information for more information.

          Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL leadfree
          74HC32D74HC32D,65274HC32Dweek 13, 200511
          74HC32PW74HC32PW,11274HC32PWweek 17, 200511
          74HCT32D74HCT32D,65274HCT32Dweek 13, 200511
          74HCT32PW74HCT32PW,11274HCT32PWweek 10, 200511
          Quality and reliability disclaimer

          Documentation (11)

          File nameTitleTypeDate
          74HC_HCT32Quad 2-input OR gateData sheet2021-07-30
          AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
          hcHC/HCT Spice modelSPICE model2022-02-17
          HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
          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 bodyPackage information2021-08-17
          SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
          SOT402-1plastic, thin shrink small outline package; 14 leads; 0.65 mm pitch; 5 mm x 4.4 mm x 1.1 mm bodyPackage information2020-04-21
          SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
          SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
          SOT108-1plastic, small outline package; 14 leads; 1.27 mm pitch; 8.65 mm x 3.9 mm x 1.75 mm bodyPackage information2021-01-06
          WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08

          Support

          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.

          Models

          File nameTitleTypeDate
          hcHC/HCT Spice modelSPICE model2022-02-17

          Ordering, pricing & availability

          • 74HC32BQ
          • 74HC32D
          • 74HC32PW
          • 74HCT32BQ
          • 74HCT32D
          • 74HCT32PW

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