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.

sot108-1_3d
Data Sheets (1)
Name/DescriptionModified Date
Dual 4-input AND gate (REV 7.0) PDF (161.0 kB) 74HC21 [English]30 Nov 2015
Application Notes (2)
Name/DescriptionModified Date
Live Insertion Aspects of Philips Logic Families (REV 1.0) PDF (73.0 kB) AN252 [English]13 Mar 2013
Pin FMEA 74HC/74HCT family (REV 1.0) PDF (51.0 kB) AN11044 [English]16 Mar 2011
Users Guides (1)
Name/DescriptionModified Date
HC/T User Guide (REV 1.0) PDF (508.0 kB) HCT_USER_GUIDE [English]01 Nov 1997
Package Information (3)
Name/DescriptionModified Date
plastic small outline package; 14 leads; body width 3.9 mm (REV 1.0) PDF (166.0 kB) SOT108-1 [English]08 Feb 2016
plastic shrink small outline package; 14 leads; body width 5.3 mm (REV 1.0) PDF (295.0 kB) SOT337-1 [English]08 Feb 2016
plastic thin shrink small outline package; 14 leads; body width 4.4 mm (REV 1.0) PDF (285.0 kB) SOT402-1 [English]08 Feb 2016
Packing (2)
Name/DescriptionModified Date
TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (217.0 kB) SOT402-1_118 [English]08 Apr 2013
Standard product orientation 12NC ending 118 (REV 1.0) PDF (86.0 kB) SOT337-1_118 [English]04 Apr 2013
Supporting Information (4)
Name/DescriptionModified Date
Footprint for reflow soldering (REV 1.0) PDF (9.0 kB) SO-SOJ-REFLOW [English]08 Oct 2009
Footprint for wave soldering (REV 1.0) PDF (8.0 kB) SO-SOJ-WAVE [English]08 Oct 2009
Footprint for reflow soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-REFLOW [English]08 Oct 2009
Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE [English]08 Oct 2009
Ordering Information
ProductStatus
74HC21PWActive
74HC21DBActive
74HC21DActive
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateEFRIFR(FIT)MTBF(hour)MSLMSL LF
74HC21PWSOT402-1SSOP-TSSOP-VSO-WAVEReel 13" Q1/T1Active74HC21PW,118 (9352 903 99118)HC2174HC21PWAlways Pb-free84.96.621.51E811
Bulk PackActive74HC21PW,112 (9352 903 99112)HC2174HC21PWAlways Pb-free84.96.621.51E811
74HC21DSOT108-1SO-SOJ-REFLOW SO-SOJ-WAVE
SO-SOJ-REFLOW SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HC21D,653 (9337 568 70653)74HC21D74HC21Dweek 5, 200484.96.621.51E811
Bulk Pack, CECCActive74HC21D,652 (9337 568 70652)74HC21D74HC21Dweek 5, 200484.96.621.51E811
74HC21DBSOT337-1SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE
SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE
Reel 13" Q1/T1Active74HC21DB,118 (9351 897 90118)HC2174HC21DBweek 12, 200584.96.621.51E811
Bulk PackActive74HC21DB,112 (9351 897 90112)HC2174HC21DBweek 12, 200584.96.621.51E811
Dual 4-input AND gate 74HC21PW
Live Insertion Aspects of Philips Logic Families 74HC_T_245_Q100
Pin FMEA 74HC/74HCT family 74HC_T_597_Q100
HC/T User Guide 74HCU04PW
plastic thin shrink small outline package; 14 leads; body width 4.4 mm 74LV164_Q100
TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... 74LV164_Q100
plastic small outline package; 14 leads; body width 3.9 mm 74LV164_Q100
Footprint for reflow soldering NPIC6C596A_Q100
Footprint for wave soldering NPIC6C596A_Q100
plastic shrink small outline package; 14 leads; body width 5.3 mm 74LVC32A_Q100
Footprint for reflow soldering 74HC_T_595_Q100
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
Standard product orientation 12NC ending 118 74LVC32A_Q100
74LV164
UBA2213
74LV164