• SN74HCU04:Maximum instantaneous current

  

  Takaaki Adachi

  TI Thinks Resolved

  Part Number: SN74HCU04 Other Parts Discussed in Thread: SN74LVC1GX04 , SN74HC04 Tool/software: The Continuous output current of the SN74HCU04 is ±25mA, and the Continuous current through VCC or GND is ±50mA. Could you please provide the maximum ratings…

  • over 1 year ago
  • Logic
  • Logic forum
Answered

• SN74HCU04: TUNING FORK OSCILLATOR UNSTABLE

  

  KEVIN BARRETT

  Resolved

  Part Number: SN74HCU04 Hi, I use the SN74hcu04 in a basic 60khz tuning fork oscillator circuit. I have sold this product for decades without issue. Suddenly, this past year, I have encountered over 25% of production where the oscillator is unstable…

  • Resolved

  • over 4 years ago
  • Logic
  • Logic forum

• SN74HCU04A: Difference between SN74HCU04A and SN74HCU04.

  

  Kengo.Y

  Part Number: SN74HCU04A Other Parts Discussed in Thread: SN74HCU04 Hi team, I can not find datasheet for SN74HCU04A. So, could you tell me what difference between SN74HCU04A and SN74HCU04? Sincerely. Kengo.

  • over 4 years ago
  • Logic
  • Logic forum

• SN74HCU04: Input capacitance in linear biasing

  

  Cedrick

  TI Thinks Resolved

  Part Number: SN74HCU04 Other Parts Discussed in Thread: CD74HCU04 , , SN74LVC1GX04 Hi, Good day. Can you confirm if the SN74HCU04 has the same rising input capacitance as the CD74HCU04 when used at 5V VDD with the input biased at 2.5V? Or does the input…

  • over 4 years ago
  • Logic
  • Logic forum
Answered

• SN74HCU04: VIH at VCC = 3.3VDC ?

  

  Ishan Panchal

  Resolved

  Part Number: SN74HCU04 Other Parts Discussed in Thread: SN74LVC1G08 What is the VIH level for VCC = 3.3VDC ? I plan to use this part as a part of SPDIF to Optical audio converter. The SPDIF level is 3.3V. Even if I give a VCC = 5VDC then also the SN74HCU04…

  • Resolved

  • over 7 years ago
  • Logic
  • Logic forum

• SN74HCU04: Current Limit Operation

  

  Ryan May

  Part Number: SN74HCU04 Hello, I am wanting to use the SN74HCU04 in one of my designs. I see that it has max source and sink drive limits of 4mA. Can you help me understand what happens when these limits are hit? Does the device pull the output down…

  • over 9 years ago
  • Logic
  • Logic forum

• Inquiry regarding SN74HCU04 output drive current

  

  Atsushi Okui

  Other Parts Discussed in Thread: SN74HCU04 , SN74HC05 , SN74HC04 Hello, all Now I am referring to the datasheet of SN74HCU04 (SCLS079E). I would like to ask you for the output drive current of this device in case of 3.3V operation. I could not find…

  • over 13 years ago
  • Logic
  • Logic forum

• CD4047B: Recommended values for R and C

  

  Colin Chen

  TI Thinks Resolved

  Part Number: CD4047B Other Parts Discussed in Thread: TPLD2001 , SN74HCU04 Dear Expert, We are designing to use CD4047 Astable mode Q output at 278KHz. When we use R=8.2K ohm and C=100pf, the theoretical output Q is 278KHz. However, we found that Q…

  • 3 months ago
  • Logic
  • Logic forum
Answered

• SN74HC04: SN74HC04N versus SN74HCU04N and E4 versus G4 versions

  

  Bruce Cyburt

  Resolved

  Part Number: SN74HC04 Other Parts Discussed in Thread: SN74HCU04 I have had an ongoing issue with an older product design regarding a hex inverter SN74HC04N or CH74HC04E and parts received and marked as G4 versus E4. Specifically, the new green G4 parts…

  • Resolved

  • 10 months ago
  • Logic
  • Logic forum

• SN74HC04: Some lot codes working, others don't

  

  Greg Aspland

  TI Thinks Resolved

  Part Number: SN74HC04 Other Parts Discussed in Thread: CD74HCU04 , SN74AHCU04 , SN74HCU04 Tool/software: I have a product which has been in production for around 30 years. With my most recent batch of boards, I have found that the SN74HC04N with date…

  • over 2 years ago
  • Logic
  • Logic forum

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