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  • NE555: PCN# 20260326003.1 NE555 Timers Design Change

    Part Number: NE555 Dear TI Support Team, We have received a Product Change Notification (PCN) announcing a design change for the NE555 timer devices. Based on past experience, we recall encountering issues related to a previous design change on this…
    • Answered

  • NE555: Power reset with switch press

    Resolved
    Part Number: NE555 Other Parts Discussed in Thread: TLC555 Hi, I am designing at circuit to generate a power reset signal which will turn off a P-Channel MOSFET to cut off the power to remaining circuit on board. Power reset will be generated by pressing…
    • Resolved

  • NE555: maximum capacitor to be used on DISCH pin, in monostable schematic

    Part Number: NE555 hi, i use NE555 in monostable operation, to generate a timer. today, my discharge capacitor is 470µF - tantalum technology my product is already in service on site, and i get quite a lot of field failure on NE555. my analysis…

  • NE555: NE555 USE？

    TI Thinks Resolved
    Part Number: NE555 Tool/software: I am debugging the circuit related to 555 timer, and I have a question to consult you. 1. Usage Under normal circuit conditions, the voltage of THRESHOD is < 2/3Vcc, and its voltage remains constant. The TRIG voltage…
    • Answered

  • NE555: Odd discharge behavior?

    Resolved
    Part Number: NE555 Tool/software: I’m using simplified 555 astable circuit: The output is this: 1v/div & 0.5usec/div. What’s that bump? It’s enough to be seen by 74HC gates.
    • Resolved

  • NE555: Ramp generation

    Part Number: NE555 Tool/software: Hi, Can u suggest me a ramp generator or Triangular Wave generator which can achieve this rate of 0.1us for 150MHz and Vco for a 2.4 to 2.485GHz and 5.725 to 5.85GHz with Wider Frequency modulation bandwidth for maintaining…

  • NE555: Footprint pad center dimention not matching with datasheet lan pattern

    Part Number: NE555 Other Parts Discussed in Thread: NA555 Hi The part number NE555DR SOIC 8 D - Footprint pad center dimention not matching with datasheet lan pattern Footprint pad pad center dimention: 4.9mm , datasheet lan pattern pad pad center…

  • NE555: How to submit new API question to E2E

    TI Thinks Resolved
    Part Number: NE555 How to submit new API question to E2E. When Chose category as API alway rerote to customer support center
    • Answered

  • NE555: About Astable Operation frequency/ Frequency Divider operation

    Resolved
    Part Number: NE555 Hi exparts, Q1. We are considering 555 timer replacement (M51843P=>NE555). From previous schematic, RA=1.5korm, RB=1.5korm, C=0.01uF. Based on equation (4) in data sheet P12, f = 1.44 / {(1.5k + 2 × 1.5k) × 0.01u} = 32kHz. However…
    • Resolved

  • NE555: NE555 Ripple Detector Simulation in LTspice

    Part Number: NE555 Other Parts Discussed in Thread: TINA-TI , OPA192 , TLC555 Tool/software: Dear Team, I am working on a ripple detector and timer circuit using two NE555 ICs. My goal is to activate a relay when the ripple lasts for more than 2 seconds…

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