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

  • Low-power dissipation
  • Complies with JEDEC standard no. 7A
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Multiple package options
  • Specified from -40 °C to +80 °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 (Cel)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
74HC21DB
NRND
Not for design in2.0 - 6.0CMOS+/- 5.210362low-40~12515640.0SSOP14
74HC21PWProduction2.0 - 6.0CMOS+/- 5.210362low-40~1251242.148.3TSSOP14

Package

Type numberPackageOutline versionReflow-/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 )
Bulk Pack, CECCActive74HC21D74HC21D,652
( 9337 568 70652 )
74HC21DB
NRND

SSOP14
(SOT337-1)
SOT337-1SSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHC2174HC21DB,118
( 9351 897 90118 )
Bulk PackActiveHC2174HC21DB,112
( 9351 897 90112 )
74HC21PW
TSSOP14
(SOT402-1)
SOT402-1SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1ActiveHC2174HC21PW,118
( 9352 903 99118 )
Bulk PackActiveHC2174HC21PW,112
( 9352 903 99112 )

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
74HC21D74HC21D,65374HC21Dweek 5, 200484.96.621.51E811
74HC21D74HC21D,65274HC21Dweek 5, 200484.96.621.51E811
74HC21DB
NRND
74HC21DB,11874HC21DBweek 12, 200511
74HC21DB
NRND
74HC21DB,11274HC21DBweek 12, 200511
74HC21PW74HC21PW,11874HC21PWAlways Pb-free84.96.621.51E811
74HC21PW74HC21PW,11274HC21PWAlways Pb-free84.96.621.51E811
Quality and reliability disclaimer

Documentation (18)

File nameTitleTypeDate
74HC21Dual 4-input AND gateData sheet2017-07-20
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
nexperia_selection_guide_2019_201901Selection guide 2019. Discretes, Logic and MOSFETsSelection guide2018-12-12
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT337-1_118Standard product orientation 12NC ending 118Packing2013-04-04
SSOP-TSSOP-VSO-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SOT337-1plastic, shrink small outline package; 14 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm bodyOutline drawing2018-10-18
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_118TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packing2013-04-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
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
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
SOT108-1_118SO14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packing2013-04-08
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

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