SCLS063G November   1988  – August 2024 SN74HCT08

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

4.4 Electrical Characteristics

PARAMETER TEST CONDITIONS(1) VCC (V) TA = 25°C SN74HCT08 UNIT
MIN TYP MAX MIN MAX
VOH High-level output voltage IOH = –20 μA 4.5 4.4 4.499 4.4 V
IOH = –4 mA 3.98 4.3 3.84
VOL Low-level output voltage IOL = 20 μA 4.5 0.001 0.1 0.1 V
IOL = 4 mA 0.17 0.26 0.33
II Input hold current VI = VCC or 0 5.5 ±0.1 ±100 ±1000 nA
ICC Supply current VI = VCC or 0. IO = 0 5.5 2 20 μA
ΔICC(2) Supply-current change One input at 0.5V or 2.4 V, Other inputs at 0 or VCC 5.5 1.4 2.4 2.9 mA
Ci Input capacitance 4.5 to 5.5 3 10 10 pF
(1) VI = VIH or VIL, unless otherwise noted.
(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.