SCLS542C September   2003  – June 2024 SN74HC4851

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Thermal Information: SN74HC485x
    4. 5.4 Recommended Operating Conditions
    5. 5.5 Electrical Characteristics
    6. 5.6 Timing Characteristics
    7. 5.7 Injection Current Coupling
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Functional Block Diagram
  9. 8 Application and Implementation
    1. 8.1 Application Information
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.6 Timing Characteristics

At specified VCC ±10%
Typical values measured at nominal VCC.
PARAMETER TEST CONDITIONS VCC Operating free-air temperature (TA) UNIT
25°C –40°C to 85°C –40°C to 125°C
MIN TYP MAX MIN TYP MAX MIN TYP MAX
SWITCHING CHARACTERISTICS(1)
tPD Propagation delay  CL = 50pF
Sx to D, D to Sx		 2V 19.5 25 29 32 ns
3V 12 15.5 17.5 19.5
3.3V 11 14.5 16.5 18.5
5V 8.6 11.5 12.5 13.5
tTRAN Transition-time between inputs RL = 10kΩ, CL = 50pF
Ax to D, Ax to Sx		 2V 44 94 103 103 ns
3V 30 63 67 67
3.3V 23 51 54 54
5V 18 43 46 46
tON(EN) Turnon-time from enable RL = 10kΩ, CL = 50pF
EN to D, EN to Sx		 2V 95 105 115 ns
3V 90 100 110
3.3V 85 95 105
5V 80 90 100
tOFF(EN) Turnoff time from enable RL = 10kΩ, CL = 50pF
EN to D, EN to Sx		 2V 95 105 115 ns
3V 90 100 110
3.3V 85 95 105
5V 80 90 100
(1) tPLH/tPHL= tPD propagation delay time, tPZH/tPZL= tON(EN) enable delay time, tPHZ/tPLZ = tOFF(EN) disable delay time, tPLH/tPHL Channel select = tTRAN