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SE555Q - AUTOMOTIVE GRADE PRECISION TIMERS

General Description

SE555Q is precision timing circuit capable of producing accurate time delays or oscillation.

In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network.

Key Features

  • Timing from Microseconds to Hours.
  • Astable or Monostable Operation.
  • Adjustable Duty Cycle.
  • TTL Compatible Output Can Source or Sink up to 200mA.
  • Automotive Grade.
  • Qualified to AEC-Q100 Grade 1.
  • ―Green‖ Molding Compound (No Br, Sb).
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3).
  • PPAP Capable (Note 4) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU.

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SE555Q AUTOMOTIVE GRADE PRECISION TIMERS Description SE555Q is precision timing circuit capable of producing accurate time delays or oscillation. In the time-delay or monostable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the astable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are two-thirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high.