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74HC21

Dual 4-input AND gate

The 74HC21 is a dual 4-input AND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

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
  • CMOS input levels
  • Complies with JEDEC standards:
    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • 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)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC21DProduction2.0 - 6.0CMOS± 5.210362low-40~125833.440SO14
74HC21PWProduction2.0 - 6.0CMOS± 5.210362low-40~1251242.148.3TSSOP14

Package

Type numberPackagePackage informationReflow-/Wave solderingPackingStatusMarkingOrderable part number, (Ordering code (12NC))
74HC21D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HC21D74HC21D,653
( 9337 568 70653 )
74HC21PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHC2174HC21PW,118
( 9352 903 99118 )

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))
74HC21D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Bulk Pack, CECCDiscontinued / End-of-life74HC21D74HC21D,652
( 9337 568 70652 )
74HC21PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Bulk PackDiscontinued / End-of-lifeHC2174HC21PW,112
( 9352 903 99112 )

Discontinuation information

Type numberOrderable part number, (Ordering code (12NC))Last time buy dateLast time delivery dateReplacement productStatusComments
74HC21D9337568706522021-12-312022-06-3074HC21D
    74HC21PW9352903991122021-12-312022-06-3074HC21PW

      Quality, reliability & chemical content

      Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
      74HC21D74HC21D,65374HC21Dweek 5, 200439.31.37.69E811
      74HC21PW74HC21PW,11874HC21PWAlways Pb-free39.31.37.69E811

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

      Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
      74HC21D74HC21D,65274HC21Dweek 5, 200439.31.37.69E811
      74HC21PW74HC21PW,11274HC21PWAlways Pb-free39.31.37.69E811
      Quality and reliability disclaimer

      Documentation (10)

      File nameTitleTypeDate
      74HC21Dual 4-input AND gateData sheet2021-09-08
      AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
      Nexperia_Selection_guide_2022Nexperia Selection Guide 2022Selection guide2022-01-05
      HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
      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

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      Ordering, pricing & availability

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