SCLS450H December   1999  – January 2025 SN74LV221A

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  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Electrical Characteristics
    6. 4.6  Timing Requirements, VCC = 2.5V ± 0.2V
    7. 4.7  Timing Requirements, VCC = 3.3V ± 0.3V
    8. 4.8  Timing Requirements, VCC = 5V ± 0.5V
    9. 4.9  Switching Characteristics, VCC = 2.5V ± 0.2V
    10. 4.10 Switching Characteristics, VCC = 3.3V ± 0.3V
    11. 4.11 Switching Characteristics, VCC = 5V ± 0.5V
    12. 4.12 Operating Characteristics
    13. 4.13 Input/Output Timing Diagram
  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 Application Information
      1. 7.1.1 Caution in Use
      2. 7.1.2 Power-down Considerations
      3. 7.1.3 Output Pulse Duration
    2. 7.2 Power Supply Recommendations
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
      2. 7.3.2 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

4.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC SN74LV221A UNIT
MIN TYP MAX
VOH IOH = −50 µA 2 V to 5.5 V VCC−0.1 V
IOH = −2 mA 2.3 V 2
IOH = −6 mA 3 V 2.48
IOH = −12 mA 4.5 V 3.8
VOL IOL = 50 µA 2 V to 5.5 V 0.1 V
IOL = 2 mA 2.3 V 0.4
IOL = 6 mA 3 V 0.44
IOL = 12 mA 4.5 V 0.55
II Rext/Cext (1) VI = 5.5 V or GND 2 V to 5.5 V ±2.5 µA
A, B, and CLR VI = 5.5 V or GND 0 ±1
0 to 5.5 V ±1
ICC Quiescent VI = VCC or GND, IO = 0 5.5 V 20 µA
ICC Active state (per circuit) VI = VCC or GND, Rext /Cext = 0.5 VCC 2.3 V 220 µA
3 V 280
4.5 V 650
5.5 V 975
Ioff VI or VO = 0 to 5.5 V 0 5 µA
Ci VI = VCC or GND 3.3 V 1.9 pF
5 V 1.9
(1) This test is performed with the terminal in the off-state condition.