Product details

Technology family HC Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Number of channels 2 Inputs per channel 4 IOL (max) (mA) 5.2 IOH (max) (mA) -5.2 Input type Standard CMOS Output type Push-Pull Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 28 Rating Automotive Operating temperature range (°C) -40 to 125
Technology family HC Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Number of channels 2 Inputs per channel 4 IOL (max) (mA) 5.2 IOH (max) (mA) -5.2 Input type Standard CMOS Output type Push-Pull Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 28 Rating Automotive Operating temperature range (°C) -40 to 125
SOIC (D) 14 51.9 mm² 8.65 x 6 TSSOP (PW) 14 32 mm² 5 x 6.4
  • Qualified for Automotive Applications
  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive up to Ten LSTTL Loads
  • Low Power Consumption, 20-µA Max ICC
  • Typical tpd = 11 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max

  • Qualified for Automotive Applications
  • Wide Operating Voltage Range of 2 V to 6 V
  • Outputs Can Drive up to Ten LSTTL Loads
  • Low Power Consumption, 20-µA Max ICC
  • Typical tpd = 11 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max

This device contains two independent 4-input AND gates. It performs the Boolean function Y = A • B • C • D or Y = A\ + B\ + C\ + D\ in positive logic.

This device contains two independent 4-input AND gates. It performs the Boolean function Y = A • B • C • D or Y = A\ + B\ + C\ + D\ in positive logic.

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Technical documentation

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Type Title Date
* Data sheet SN74HC21-Q1 Dual 4-Input Positive-AND Gate datasheet (Rev. A) 24 Apr 2008
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
More literature Automotive Logic Devices Brochure 27 Aug 2014
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.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
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Reference designs

PMP22650 — GaN-based, 6.6-kW, bidirectional, onboard charger reference design

The PMP22650 reference design is a 6.6-kW, bidirectional, onboard charger. The design employs a two-phase totem pole PFC and a full-bridge CLLLC converter with synchronous rectification. The CLLLC utilizes both frequency and phase modulation to regulate the output across the required regulation (...)
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
SOIC (D) 14 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian

Ordering & quality

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