• TLC555: Clarification about the design change PCN 20260217004.1

  

  Ido Sasson

  Part Number: TLC555 Hello, We recently receive the PCN #20260217004.1, which states about a design change of this device TLC555IDR. See attached file. 20260217004.1.pdf Can TI present a compare Excel table, which states about the exepcted main diffrentce…

  • 1 month ago
  • Clock & timing
  • Clock & timing forum

• TLC555: Difference between Rev. J and Rev.K

  

  ttd

  TI Thinks Resolved

  Part Number: TLC555 Dear Technical Support Team, I have adopted TLC555CP on my board. TI changed revision from Rev.J to Rev.K on datasheet. It seems to be changed "discharge switch off-stage current" and it slightly higher. Where exactly does…

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

• TLC555-Q1: PCN# 20260211000.2

  

  Ali Rizvi

  Part Number: TLC555-Q1 20260211000.2.pdf Hi I would like to get 15 samples of TLC555QDRQ1 from RFAB facility for testing and derisking parts for our downhole applications. Please see attached PCN for details. Date code: August 11, 2026 Regards…

  • 19 days ago
  • Clock & timing
  • Clock & timing forum

• TLC555-Q1: TLC555-Q1

  

  Rocky123

  TI Thinks Resolved

  Part Number: TLC555-Q1 Tool/software: Dear sir, Please find the below part which we are using in our one of product. Request you to please share the PSPICE model for simulation, Smoke and monte carlo analysis. Part number – TLC555-Q1 Part Description…

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

• TLC555: TLC555IDR

  

  WEN SIXI

  Part Number: TLC555 Tool/software: Could you please tell me if there have been any changes to the silk-screened logo of TLC555IDR? This is the previous one. This is the present

  • 8 months ago
  • Clock & timing
  • Clock & timing forum

• TLC555: Values of internal resistors

  

  Danilo A.

  TI Thinks Resolved

  Part Number: TLC555 Hi Team, Posting on behalf of our customer. I have a question about the TLC555 and the values of the resistors in its internal voltage divider. What are the values of these resistors? I found a TI application note from 2021…

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

• TLC555: Simulation results do not match actual measurements.

  

  Ryu Yamashita

  Part Number: TLC555 Hi team, Tl and Th were measured under the following conditions. The simulated values and calculated values from the datasheet do not match the actual measured values. 1 2 3 RA 200 ohm 5200 ohm 10200 ohm…

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

• TLC555: TLC555IDR

  

  Alexander Pinzl

  Part Number: TLC555 Tool/software: We have received the TLC555IDR component from you. Some of them have no TI logo. The components that do not have a TI logo failed in our final test. Can you tell me what differences the components have? Why do they…

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

• TLC555: Simulation results do not match actual measurements.

  

  Ryu Yamashita

  Resolved

  Part Number: TLC555 Hi team, Tl and Th were measured under the following conditions. The simulated values and calculated values from the datasheet do not match the actual measured values. 1 2 3 RA 200 ohm 5200 ohm 10200 ohm…

  • 3 months ago
  • Clock & timing
  • Clock & timing forum

• TLC555-Q1: Questions about TLC555 timer operating conditions

  

  YOON KIHOON

  Part Number: TLC555-Q1 Other Parts Discussed in Thread: TLC555 Tool/software: I designed a circuit using a TLC555 timer. Trigger input connect 5V(fault detect signal) -> When a fault occurs (5V->0), a trigger is generated, and when FLT is restored …

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

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