SCLS068G November   1988  – July 2022 SN74HCT273

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions (1)
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements
    6. 6.6 Switching Characteristics
    7. 6.7 Switching Characteristics
    8. 6.8 Operating Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Support Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.4 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT273(1) SN74HCT273 UNIT
MIN TYP MAX MIN MAX MIN MAX
VOH VI = VIH or VIL IOH = –20 µA 4.5 V 4.4 4.499 4.4 4.4 V
IOH = –4 mA 4.5 V 3.98 4.30 3.7 3.84
VOL VI = VIH or VIL IOL = 20 µA 4.5 V 0.001 0.1 0.1 0.1 V
IOL = 4 mA 4.5 V 0.17 0.26 0.4 0.33
II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA
ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 µA
ΔICC(2) One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC		 5.5 V 1.4 2.4 3 2.9 mA
Ci 4.5 V to
5 V		 3 10 10 10 pF
(1) Product Preview
(2) This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC.