• NA555: How to calculate the supply current about the NA555?

  

  Nan Zhang

  TI Thinks Resolved

  Part Number: NA555 Other Parts Discussed in Thread: TLC555 , NE555 Hi team, There is questions need to confirm Q1: the customer want to know the supply current about the NA555. Here is how they use:Under normal circumstances, PIN 3 TRIG inputs high level…

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

• RE: NA555: One shot negative pulse generator using 555 timer

  

  Takashi Onawa

  Resolved

  Hi Chris-san, Thanks for your strong assist on this opportunity. The solution looks good and I suggest that setup to the customer! Regards, Takashi Onawa

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

• NA555: RA range

  

  Oba

  Resolved

  Part Number: NA555 Hello, My customer is trying to realize astable timer operation with NA555. Because they want to realize about 50% duty, they selected 200 ohm for RA (RB=1.5K ~ 3.4Kohm, C=0.1uF). But some datasheet parameters are specified under RA…

  • Resolved

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

• SA555: the difference of NA555, NE555, SE555 and SA555

  

  Noriyuki Takahashi

  TI Thinks Resolved

  Part Number: SA555 Other Parts Discussed in Thread: SE555 , , NE555 , NA555 Hi team, Could you tell what makes NA555, NE555, SE555 and SA555's operating tempreraure ranges different? NA555, NE555, SE555 and SA555 look similar but customer wants to …

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

• NA555: The mini vin

  

  Amelie Zheng

  TI Thinks Resolved

  Part Number: NA555 Hi team, According to the datasheet, the minimum working voltage range of NA555DR is 4.5-16V, but customer have measured 5PCS samples, and the minimum working voltage is about 2.2V Compared with the competing products currently used…

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

• NA555: output waveform is abnormal

  

  Amy Luo

  TI Thinks Resolved

  Part Number: NA555 Hi team, The output waveform is abnormal, related to the pulldown/pullup resistance added at the output pin At the output, add a pull-down resistance of 5.1k. The output waveform has a step： change to pullup resistor of 1k to the output…

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

• NA555: Clock & timing forum

  

  zuzhuang Su

  Part Number: NA555 I want to use this component to design an accumulation timer. Do you have any reference to the schematic? The total time is six months and then manually reset.

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

• NE555: Output behaviour in case of fault + NA555 differences

  

  Antonio Faggio

  TI Thinks Resolved

  Part Number: NE555 Other Parts Discussed in Thread: NA555 Hi, Is it possible to know in the event of a breakdown of the integrated circuit how the output behaves? Does the output always go low or for some reason could it also remain always active? I am…

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

• NA555: NA555 functions

  

  Darren Yang

  TI Thinks Resolved

  Part Number: NA555 Other Parts Discussed in Thread: SN74LV123A Hi sir Is there a combination of logic gate and NA555 to achieve the following circuit functions? The timing is as shown in the figure below. The three correspond to OCP_reset, U3 A pin, U2…

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum

• [FAQ] How do I design a pulse width modulator (PWM) circuit using LMC555, TLC555, LM555, NA555, NE555, SA555, or SE555?

  

  Ron Michallick

  Other Parts Discussed in Thread: LM293 How does the PWM example in the data sheet work? What are the limitations of the data sheet PWM example? Is there a way to improve linearity and duty cycle range?

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

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