74HCT27D: Triple 3-input NOR gate

The 74HC27; 74HCT27 is a triple 3-input NOR gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

74HCT27D: Product Block Diagram
sot108-1_3d
Data Sheets (1)
Name/DescriptionModified Date
Triple 3-input NOR gate (REV 5.1) PDF (178.0 kB) 74HC_HCT27 [English]27 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 (1)
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
Packing (1)
Name/DescriptionModified Date
SO14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... (REV 4.0) PDF (207.0 kB) SOT108-1_118 [English]08 Apr 2013
Supporting Information (2)
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
Ordering Information
ProductStatusFamilyVCC (V)FunctionLogic switching levelsTypeDescriptionPackage versionOutput 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 nameNo of pins
74HCT27DActiveHC(T)4.5 - 5.5NOR gatesTTLNOR gatesTTL enabledSOT108-1+/- 410363low-40~12510920.968SO1414
74HCT27D/S71No Longer Manufactured4.5 - 5.5TTL+/- 410363low-40~12510920.968SO14
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateEFRIFR(FIT)MTBF(hour)MSLMSL LF
74HCT27DSOT108-1SO-SOJ-REFLOW SO-SOJ-WAVE
SO-SOJ-REFLOW SO-SOJ-WAVE
Reel 13" Q1/T1 CECCActive74HCT27D,653 (9337 141 80653)74HCT27D74HCT27Dweek 5, 200484.96.621.51E811
Bulk Pack, CECCActive74HCT27D,652 (9337 141 80652)74HCT27D74HCT27Dweek 5, 200484.96.621.51E811
74HCT27D/S71SOT108-1SO-SOJ-REFLOW SO-SOJ-WAVE
SO-SOJ-REFLOW SO-SOJ-WAVE
Reel 13" Q1/T1Withdrawn74HCT27D/S71,118 (9350 667 40118)Standard Markingweek 47, 200584.96.621.51E811
Triple 3-input NOR gate 74HCT27PW
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 small outline package; 14 leads; body width 3.9 mm 74LV164_Q100
Footprint for reflow soldering NPIC6C596A_Q100
Footprint for wave soldering NPIC6C596A_Q100
SO14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... 74LV164_Q100
74HC_T_27
UBA2213