SNAS558N January   2000  – March 2024 LMC555

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 Electrical Characteristics
    6. 5.6 Switching 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
      1. 7.3.1 Low-Power Dissipation
      2. 7.3.2 Various Packages and Compatibility
      3. 7.3.3 Operates in Both Astable and Monostable Mode
    4. 7.4 Device Functional Modes
      1. 7.4.1 Monostable Operation
      2. 7.4.2 Astable Operation
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Flash LED in Monostable Mode
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Frequency Divider
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Application Curve
      3. 8.2.3 Pulse Width Modulator
        1. 8.2.3.1 Design Requirements
        2. 8.2.3.2 Application Curve
      4. 8.2.4 Pulse Position Modulator
        1. 8.2.4.1 Design Requirements
        2. 8.2.4.2 Application Curve
      5. 8.2.5 50% Duty Cycle Oscillator
        1. 8.2.5.1 Design Requirements
    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 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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
  • P|8
  • YPB|8
  • DGK|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

Test Circuit, T = 25°C, all switches open, RESET to VS unless otherwise noted(1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
IS Supply current VS = 1.5 V 130 200 µA
VS = 5 V 180 250
VS = 12 V 220 400
VCTRL Control voltage VS = 1.5 V 0.8 1.0 1.2 V
VS = 5 V 2.9 3.3 3.8
VS = 12 V 7.4 8.0 8.6
VDIS Discharge saturation voltage VS = 1.5 V, IDIS = 1 mA 75 150 mV
VS = 5 V, IDIS = 10 mA 150 300
VOL Output voltage (low) VS = 1.5 V, IO = 1 mA 0.2 0.4 V
VS = 5 V, IO = 8 mA 0.3 0.6
VS = 12 V, IO = 50 mA 1.0 2.0
VOH Output voltage
(high)		 VS = 1.5 V, IO = −0.25 mA 1.0 1.25 V
VS = 5 V, IO = −2 mA 4.4 4.7
VS = 12 V, IO = −10 mA 10.5 11.3
VTRIG Trigger voltage VS = 1.5 V 0.4 0.5 0.6 V
VS = 12 V 3.7 4.0 4.3
ITRIG Trigger current VS = 5 V 10 pA
VRES Reset voltage VS = 1.5 V (2) 0.4 0.7 1.0 V
VS = 12 V 0.4 0.75 1.1
IRES Reset current VS = 5 V, VRES = VS 10 pA
VS = 5 V, VRES = 0 V 5.9 µA
ITHRESH Threshold current VS = 5 V 10 pA
IDIS Discharge leakage VS = 12 V 1.0 100 nA
(1) All voltages are measured with respect to the ground pin, unless otherwise specified.
(2) If the RESET pin is to be used at temperatures of −20°C and less, then ensure that VS is 2.0 V or greater.