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Showing 215 results View by: Thread Post Sort by
    Answered
  • NE555: VCC supply by resistor divider

    user4979989
    user4979989
    Resolved
    Part Number: NE555 Other Parts Discussed in Thread: TL783 , TPS7A4001 , LMC555 , TLC555 Hi team, My customer would like to use NE555, but the board voltage they have only 48V. Do you think use a resistor divider to scale down from 48V to 12V is a…
    • Resolved
    • over 6 years ago
    • Clock & timing
    • Clock & timing forum
  • NE555: How does the NE555 start? Is it a self-contained trigger function or does it require external input?

    Andrew Pagone
    Andrew Pagone
    TI Thinks Resolved
    Part Number: NE555 There is something wrong with our NE555 chip, we can't find any information about this specific topic online on the data sheets or schematics or any equivalent, any help would be appreciated.
    • over 7 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • NE555: Timing Capacitor leakage current for NE555

    Waseem Khayer
    Waseem Khayer
    Resolved
    Part Number: NE555 Hello TIers, I've a 5.5 min (3.06mHz) timer design based on A-Stable NE555 timer where the values of RA=909k, Rb=47k and C=470uF. The supply voltage is 5V and the output is connected to a microcontroller. From what I know, a minimum…
    • Resolved
    • over 8 years ago
    • Clock & timing
    • Clock & timing forum
  • RE: WEBENCH® Tools/NE555: The precision of oscillator issue

    Ron Michallick
    Ron Michallick
    Phuoc, C7 and C8 in addition to ground pin control the internal timing comparators. Well placed capacitors and good tracework should keep a lot noise out of the NE555 timing interval. The key is to keep noise from prematurely toggling the timing capacitors…
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • NE555: Issuse when IC turning back from Reset state

    Phuoc Nguyen Ke
    Phuoc Nguyen Ke
    Resolved
    Part Number: NE555 Hi Guys, I'm using an oscillator - NE555, And facing an issue when IC turning back from the reset state. The issue is at the first time when turning back from resetting -> the IC keep at a high level for a long time more than the…
    • Resolved
    • over 6 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • NE555: Clock generationg: what is the hightest clock output it can do

    Sheldon He
    Sheldon He
    Resolved
    Part Number: NE555 Other Parts Discussed in Thread: LMC555 , TLC555 Hi expert, My customer is looking for a cost saving device to generate clock output to drive a power stage in open loop. They find the description of NE555 say that it can generate…
    • Resolved
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • NE555: the exact power dissipation of NE555P for a normal working condition.

    Tohru Sakuma
    Tohru Sakuma
    TI Thinks Resolved
    Part Number: NE555 Could you give me proper response following inquiry from our customers ? ** I needed the power dissipation for NE555P timer IC in a quantified value. I could find a formula description in the datasheet. Can you help me to…
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • NE555: How do I create a biphasic square wave generator circuit with variable frequency and magnitude?

    Kiryl Sheleg
    Kiryl Sheleg
    TI Thinks Resolved
    Part Number: NE555 Other Parts Discussed in Thread: CD4017B , TLC555 , TLV172 , LM358 , LF347 , LF353 I read somewhere that a single NE555 would not be able to create a biphasic square wave, only monophasic. I am wondering whether that is possible. If…
    • over 5 years ago
    • Clock & timing
    • Clock & timing forum
  • RE: NE555: CMOS or TTL?

    Ron Michallick
    Ron Michallick
    I see the current pulse but the current is not one of the NE555 pin signals. What happens at the NE555 pins? NE555 follows these rules. 1 If reset is low then output is low and ignore all other rules. 2 If trigger is low (<1/2 CONTROL) then output…
    • over 7 years ago
    • Clock & timing
    • Clock & timing forum
  • Answered
  • NE555: Time delay between the Vout and power supply

    Hao Wang14
    Hao Wang14
    Resolved
    Part Number: NE555 Hi Team, NE555D is used to design a circuit for astable operation as shown in the picture. When Vcc is powered on, the OUT pin goes high. My question is: What's the time delay between the OUT going high and Vcc powered up? It's…
    • Resolved
    • over 6 years ago
    • Clock & timing
    • Clock & timing forum
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