SCDS149B October   2003  – December 2025 SN74CB3T3257

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 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Recommended Operating Conditions
    6. 5.6 Electrical Characteristics
    7. 5.7 Switching Characteristics 85C
    8. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Performance Plots
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1.      Related Documentation
      2. 9.1.1 Receiving Notification of Documentation Updates
      3. 9.1.2 Support Resources
      4. 9.1.3 Electrostatic Discharge Caution
      5. 9.1.4 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.7 Switching Characteristics 85C

over operating free-air temperature range (unless otherwise noted)
Parameter with Test conditions FROM (INPUT) TO (OUTPUT) VCC MIN NOM MAX UNIT
tpd RL = 1GΩ, CL = 30pF, Vload = 0V. Calculated Tpd with switch resistance*CL A or B B or A 2.5 V ± 0.2 V 0.15 ns
tpd RL = 1GΩ, CL = 50pF, Vload = 0V. Calculated Tpd with switch resistance*CL A or B B or A 3.3 V ± 0.3 V 0.25 ns
ten ZL: RL = 250Ω, CL = 30pF, Vload = VCC,
ZH: RL = 500Ω, CL = 30pF, Vload = GND, 50Ω termination at input		 OE A or B 2.5 V ± 0.2 V 1 10.4 ns
ten ZL: RL = 250Ω, CL = 50pF, Vload = VCC
ZH: RL = 500Ω, CL = 50pF, Vload = GND, 50Ω termination at input		 OE A or B 3.3 V ± 0.3 V 1 8.3 ns
tdis LZ: RL = 250Ω, CL = 30pF, Vload = VCC, V▲ = 0.15V;
HZ: RL = 500Ω, CL = 30pF, Vload = GND, V▲ = 0.15V; 50Ω termination at input		 OE A or B 2.5 V ± 0.2 V 1 7.4 ns
tdis LZ: RL = 250Ω, CL = 50pF, Vload = VCC, V▲ = 0.3V;
HZ: RL = 500Ω, CL = 50pF, Vload = GND, V▲ = 0.3V; 50Ω termination at input		 OE A or B 3.3 V ± 0.3 V 1 8 ns
tpd(s) RL = 500Ω, CL = 30pF, Vload = 0V. Vinput = 3.6V domain. 50Ω termination at input S A 2.5 V ± 0.2 V 13.4 ns
tpd(s) RL = 500Ω, CL = 50pF, Vload = 0V. Vinput = 5.5V domain. 50Ω termination at input S A 3.3 V ± 0.3 V 10.1 ns
ten(s) ZL: RL = 250Ω, CL = 30pF, Vload = VCC,
ZH: RL = 500Ω, CL = 30pF, Vload = GND; 50Ω termination at input		 S B 2.5 V ± 0.2 V 1 13 ns
ten(s) ZL: RL = 250Ω, CL = 50pF, Vload = VCC
ZH: RL = 500Ω, CL = 50pF, Vload = GND; 50Ω termination at input		 S B 3.3 V ± 0.3 V 1 10.1 ns
tdis(s) LZ: RL = 250Ω, CL = 30pF, Vload = VCC, V▲ = 0.15V;
HZ: RL = 500Ω, CL = 30pF, Vload = GND, V▲ = 0.15V; 50Ω termination at input		 S B 2.5 V ± 0.2 V 1 9.1 ns
tdis(s) LZ: RL = 250Ω, CL = 50pF, Vload = VCC, V▲ = 0.3V;
HZ: RL = 500Ω, CL = 50pF, Vload = GND, V▲ = 0.3V; 50Ω termination at input		 S B 3.3 V ± 0.3 V 1 8.3 ns