Product details

Technology family HC Number of channels 3 Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Inputs per channel 3 IOL (max) (mA) 4 IOH (max) (mA) -4 Output type Push-Pull Input type Standard CMOS Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 28 Rating Military Operating temperature range (°C) -55 to 125
Technology family HC Number of channels 3 Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Inputs per channel 3 IOL (max) (mA) 4 IOH (max) (mA) -4 Output type Push-Pull Input type Standard CMOS Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 28 Rating Military Operating temperature range (°C) -55 to 125
CDIP (J) 14 130.4652 mm² 19.56 x 6.67 CFP (W) 14 58.023 mm² 9.21 x 6.3 LCCC (FK) 20 79.0321 mm² 8.89 x 8.89
  • Buffered inputs
  • Wide operating voltage range: 2 V to 6 V
  • Wide operating temperature range: -40°C to +85°C
  • Supports fanout up to 10 LSTTL loads
  • Significant power reduction compared to LSTTL logic ICs
  • Buffered inputs
  • Wide operating voltage range: 2 V to 6 V
  • Wide operating temperature range: -40°C to +85°C
  • Supports fanout up to 10 LSTTL loads
  • Significant power reduction compared to LSTTL logic ICs

This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y =  A + B + C in positive logic.

This device contains three independent 3-input NOR gates. Each gate performs the Boolean function Y =  A + B + C in positive logic.

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Technical documentation

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Type Title Date
* Data sheet SNx4HC27 Triple 3-Input NOR Gates datasheet (Rev. E) PDF | HTML 03 Jun 2021
* SMD SN54HC27 SMD 84042012A 21 Jun 2016
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) 26 Jul 2021
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dec 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Designing With Logic (Rev. C) 01 Jun 1997
Application note Input and Output Characteristics of Digital Integrated Circuits 01 Oct 1996
Application note Live Insertion 01 Oct 1996
Application note SN54/74HCT CMOS Logic Family Applications and Restrictions 01 May 1996
Application note Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc 01 Apr 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Package Pins CAD symbols, footprints & 3D models
CDIP (J) 14 Ultra Librarian
CFP (W) 14 Ultra Librarian
LCCC (FK) 20 Ultra Librarian

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