SLFS023I April   1978  – March 2025 NA556 , NE556 , SA556 , SE556

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 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
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 Pulse-Width Modulation
        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-Position Modulation
        1. 7.2.2.1 Design Requirements
        2. 7.2.2.2 Detailed Design Procedure
        3. 7.2.2.3 Application Curves
  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
VT Threshold voltage level VCC = 15V NA556, NE556, SA556 8.8 10 11.2 V
SE556 9.4 10 10.6
VCC = 5V NA556, NE556, SA556 2.4 3.3 4.2
SE556 2.7 3.3 4
IT Threshold current(1) 30 250 nA
VTRIG Trigger voltage level VCC = 15V NA556, NE556, SA556 4.5 5 5.6 V
SE556 4.8 5 5.2
VCC = 15V, TA = –55°C to +125°C SE556 3 6
VCC = 5V NA556, NE556, SA556 1.1 1.67 2.2
SE556 1.45 1.67 1.9
VCC = 5V, TA = –55°C to +125°C SE556 1.9
ITRIG Trigger current VTRIG = 0V NA556, NE556, SA556 0.5 2 μA
SE556 0.5 0.9
VRESET Reset voltage level 0.3 0.7 1 V
TA = –55°C to +125°C SE556 1.1
IRESET Reset current VRESET = VCC 0.1 0.4 mA
VRESET = 0V NA556, NE556, SA556 –0.4 1.5
SE556 –0.4 –1
IDISCH Discharge switch
off-state current		 20 100 nA
VCONT Control voltage
(open circuit)		 VCC = 15V NA556, NE556, SA556 9 10 11 V
SE556 9.6 10 10.4
VCC = 15V, TA = –55°C to +125°C SE556 9.6 10.4
VCC = 5V NA556, NE556, SA556 2.6 3.3 4
SE556 2.9 3.3 3.8
VCC = 5V, TA = –55°C to +125°C SE556 2.9 3.8
VOL Low-level
output voltage		 VCC = 15V, IOL = 10mA NA556, NE556, SA556 0.1 0.25 V
SE556 0.1 0.15
VCC = 15V, IOL = 10mA,
TA = –55°C to +125°C		 SE556 0.2
VCC = 15V, IOL = 50mA NA556, NE556, SA556 0.4 0.75
SE556 0.4 0.5
VCC = 15V, IOL = 50mA,
TA = –55°C to +125°C		 SE556 1
VCC = 15V, IOL = 100mA NA556, NE556, SA556 2 2.5
SE556 2 2.2
VCC = 15V, IOL = 100mA,
TA = –55°C to +125°C		 SE556 2.7
VCC = 15V, IOL = 200mA 2.5
VCC = 5V, IOL = 3.5mA,
TA = –55°C to +125°C		 SE556 0.35
VCC = 5V, IOL = 5mA NA556, NE556, SA556 0.1 0.25
SE556 0.1 0.15
VCC = 5V, IOL = 5mA,
TA = –55°C to +125°C		 SE556 0.8
VCC = 5V, IOL = 8mA NA556, NE556, SA556 0.15 0.3
SE556 0.15 0.25
VOH High-level
output voltage		 VCC = 15V, IOH = –100mA NA556, NE556, SA556 12.75 13.3 V
SE556 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 NA556, NE556, SA556 2.75 3.3
SE556 3 3.3
VCC = 5V, IOH = –100mA,
TA = –55°C to +125°C		 SE555 2
ICC Supply current Output low, no load, VCC = 15V NA556, NE556, SA556 20 30 mA
SE556 20 24
Output low, no load, VCC = 5V NA556, NE556, SA556 6 12
SE556 6 10
Output high, no load, VCC = 15V NA556, NE556, SA556 18 26
SE556 18 20
Output high, no load, VCC = 5V NA556, NE556, SA556 4 10
SE556 4 8
(1) This parameter influences the maximum value of the timing resistors RA and RB in the circuit of Figure 6-3. For example, when VCC = 5V, the maximum value is RA + RB ≅ 3.4MΩ, and for VCC = 15V, the maximum value is RA + RB ≅ 10MΩ.