Answered

• LM555-MIL: LM555-MIL

  

  Andrea Bordonali

  Resolved

  Part Number: LM555-MIL Tool/software: What is absolute maximum junction temperature for this part? Recommended operating is 70C, but absolute rating doesn't include junction temperature information.

  • Resolved

  • 3 days ago
  • Clock & timing
  • Clock & timing forum

• LM555: LM555 delay setting

  

  Randy Chen

  TI Thinks Resolved

  Part Number: LM555 Tool/software: Hi, Customer has an application question about using LM555CMX/NOPB to implement the virtual reseat. Below is my schematic design. As I know, LM555 would output a high pulse when trigger voltage less than 1/3 Vcc untill…

  • 5 months ago
  • Clock & timing
  • Clock & timing forum
Answered

• RE: LM555: [Consultation] LM555CMMX Function Check with my design

  

  Alex Curtis

  Resolved

  Hi Paul, Yes, it's advisable to bring the trigger input high before the end of the output pulse to prevent unintentional retriggering. Regarding the behavior of the threshold pin, we can take some measurements in the lab of an LM555, since the LM555…

  • 4 months ago
  • Clock & timing
  • Clock & timing forum

• LM555: LM555 designed as VCO

  

  Mirthunraju M

  TI Thinks Resolved

  Part Number: LM555 Hi, the LM555 timer is designed as VCO with input control voltage to receive certain frequency, but the formula which is given in the datasheet doesn't applicable with this design (there control voltage is grounded). so, could…

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• LM555: Internal circuit

  

  Pradeepraj M

  TI Thinks Resolved

  Part Number: LM555 I am using this IC in my design. For understanding I want to know the output of flip flop which is Q or Qbar in internal circuit. I have checked in datasheet it is not given. So, kindly confirm the output of RS flipflop.

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum
Answered

• LM555: The difference between LM555 and NE555？

  

  Andy Liu3

  Resolved

  Part Number: LM555 Other Parts Discussed in Thread: NE555 Hi experts, Could you help me check what is the main difference between LM555 and NE555? At the same time, compared with our two devices, which one do we mainly recommend customers to use? These…

  • Resolved

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LM555: Time Delay device recommend

  

  Brian Li

  Resolved

  Part Number: LM555 Other Parts Discussed in Thread: TLC555 Hi team, My customer want a time delay device. Clock signal :6.25MHz delay: 30ns Could you please recommend one? Thanks, Brian

  • Resolved

  • over 1 year ago
  • Clock & timing
  • Clock & timing forum

• RE: LM555: LM555

  

  Mohammed Alsubhi

  Hello, I appreciate all your efforts! Unfortunately non of the provided solutions worked for me. However, after a lot of experimenting, using an open collector-collector circuit connected to the trigger pin on LM555 and PIC microcontroller did the job…

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• LM555: TI solution suggestion

  

  Jimmy Lai

  TI Thinks Resolved

  Part Number: LM555 Other Parts Discussed in Thread: TLC555 Dear Team, Out customer need RC timer solution: similar with 555 oscillator. Vcc 12V Frequency: 50HZ~60HZ operating temp : -40~+105 Please advise. Thanks. Many Thanks, Jimmy

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LM555: LM555 sometimes dead

  

  user4937122

  Resolved

  Part Number: LM555 Dear Sir. I tested the circuit below. The load is a filament heater with 3.3Ohm, but the LM555 timer was sometimes dead and LED was burnt. Could you check what is problem with this circit ? Best Regards,Yoon.

  • Resolved

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

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