SLFS022J September   1973  – February 2025 NA555 , NE555 , SA555 , SE555 , SE555M

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. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Monostable Operation
      2. 6.3.2 Astable Operation
      3. 6.3.3 Frequency Divider
    4. 6.4 Device Functional Modes
  8. 7 Applications and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Missing-Pulse Detector
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curve
      2. 7.2.2 Pulse-Width Modulation
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curve
      3. 7.2.3 Pulse-Position Modulation
        1. 7.2.3.1 Design Requirements
        2. 7.2.3.2 Detailed Design Procedure
        3. 7.2.3.3 Application Curve
      4. 7.2.4 Sequential Timer
        1. 7.2.4.1 Design Requirements
        2. 7.2.4.2 Detailed Design Procedure
        3. 7.2.4.3 Application Curve
    3. 7.3 Power Supply Recommendations
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.5 Electrical Characteristics

at VCC = 5V to 15V and TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
THRES voltage level VCC = 15V NA555, NE555, SA555 8.8 10 11.2 V
SE555 9.4 10 10.6
VCC = 5V NA555, NE555, SA555 2.4 3.3 4.2
SE555 2.7 3.3 4
THRES current(1) 30 250 nA
TRIG voltage level VCC = 15V NA555, NE555, SA555 4.5 5 5.6 V
SE555 4.8 5 5.2
VCC = 15V, TA = –55°C to +125°C SE555 3 6
VCC = 5V NA555, NE555, SA555 1.1 1.67 2.2
SE555 1.45 1.67 1.9
VCC = 5V, TA = –55°C to +125°C SE555 1.9
TRIG current TRIG at 0V NA555, NE555, SA555 0.5 2 μA
SE555 0.5 0.9
RESET voltage level 0.3 0.7 1 V
TA = –55°C to +125°C SE555 1.1
RESET current RESET at VCC 0.1 0.4 mA
RESET at 0V NA555, NE555, SA555 –0.4 –1.5
SE555 –0.4 –1
DISCH switch off-state current 20 100 nA
DISCH switch on-state voltage VCC = 5V, IO = 8mA NA555, NE555, SA555 0.15 0.4 V
CONT voltage (open circuit) VCC = 15V NA555, NE555, SA555 9 10 11 V
SE555 9.6 10 10.4
VCC = 15V, TA = –55°C to +125°C SE555 9.6 10.4
VCC = 5V NA555, NE555, SA555 2.6 3.3 4
SE555 2.9 3.3 3.8
VCC = 5V, TA = –55°C to +125°C SE555 2.9 3.8
Low-level output voltage VCC = 15V, IOL = 10mA NA555, NE555, SA555 0.1 0.25 V
SE555 0.1 0.15
VCC = 15V, IOL = 10mA,
TA = –55°C to +125°C		 SE555 0.2
VCC = 15V, IOL = 50mA NA555, NE555, SA555 0.4 0.75
SE555 0.4 0.5
VCC = 15V, IOL = 50mA,
TA = –55°C to +125°C		 SE555 1
VCC = 15V, IOL = 100mA NA555, NE555, SA555 2 2.5
SE555 2 2.2
VCC = 15V, IOL = 100mA,
TA = –55°C to +125°C		 SE555 2.7
VCC = 15V, IOL = 200mA 2.5
VCC = 5V, IOL = 3.5mA,
TA = –55°C to +125°C		 SE555 0.35
VCC = 5V, IOL = 5mA NA555, NE555, SA555 0.1 0.35
SE555 0.1 0.2
VCC = 5V, IOL = 5mA,
TA = –55°C to +125°C		 SE555 0.8
VCC = 5V, IOL = 8mA NA555, NE555, SA555 0.15 0.4
SE555 0.15 0.25
High-level output voltage VCC = 15V, IOH = –100mA NA555, NE555, SA555 12.75 13.3 V
SE555 13 13.3
VCC = 15V, IOH = –100mA,
TA = –55°C to +125°C		 SE555 12
VCC = 15V, IOH = –200mA 12.5
VCC = 5V, IOH = –100mA NA555, NE555, SA555 2.75 3.3
SE555 3 3.3
VCC = 5V, IOH = –100mA,
TA = –55°C to +125°C		 SE555 2
Supply current Output low, no load, VCC = 15V NA555, NE555, SA555 10 15 mA
SE555 10 12
Output low, no load, VCC = 5V NA555, NE555, SA555 3 6
SE555 3 5
Output high, no load, VCC = 15V NA555, NE555, SA555 9 13
SE555 9 10
Output high, no load, VCC = 5V NA555, NE555, SA555 2 5
SE555 2 4
(1) This parameter influences the maximum value of the timing resistors RA and RB in the circuit of Figure 6-5. For example, when VCC = 5V, the maximum value is R = RA + RB ≅ 3.4MΩ, and for VCC = 15V, the maximum value is RA + RB ≅ 10MΩ.