Answered

• SN74HCS74-Q1: SN74HCS74BQA-Q1 Die and package question

  

  Imelda Zhang

  Resolved

  Part Number: SN74HCS74-Q1 Tool/software: Hi Expert, I have several questions to check with u. For QFN package, is die-to-package ratio qualification checked? Is it single die or multi die? Is it asymmetric die in the package? The board level reliability…

  • Resolved

  • 2 months ago
  • Logic
  • Logic forum
Answered

• RE: SN74HCS74-Q1: SN74HC74QPWRQ1 vs SN74HCS74QPWRQ1

  

  Youhei Miyaoka

  Resolved

  Hi Clemens, Thank you for answering. Regards, Youhei

  • 4 months ago
  • Logic
  • Logic forum
Answered

• SN74HCS74: Datasheet Supply voltage max vs Absolute max

  

  Scott Swanson

  Resolved

  Part Number: SN74HCS74 We have an existing design using a SN74HCS74. The datasheet absolute maximum is 7v, datasheet supply voltage max is 6, our applied can be as high as 6.2V with a few milliamps current limited. Will we have reliability issues with…

  • Resolved

  • 8 months ago
  • Logic
  • Logic forum

• SN74HCS74: Spice Model Logic Problem

  

  Georgios Apostolou

  Part Number: SN74HCS74 Hi, I think that the spice model has an error in its logical implementation. For PRE_not high and CLR_not low it should be Q low and Q_not high according to datasheet. Right?

  • 10 months ago
  • Logic
  • Logic forum
Answered

• SN74HCS74-Q1: Q status when power off

  

  song.lin

  Resolved

  Part Number: SN74HCS74-Q1 Hi Expert What's the output status of Q when the power on VCC loses? The initial output status is high. Will it be float(tri-state) or pulled to low?

  • Resolved

  • 10 months ago
  • Logic
  • Logic forum
Answered

• SN74HCS74: Spice model issue

  

  Randy Luck

  Resolved

  Part Number: SN74HCS74 Other Parts Discussed in Thread: SN74HCS04 Hello- I believe that there is a further issue with the SN74HCS74 Spice model (I raised an issue in a previous thread in the E2E Forum on this topic from over 2 years ago and you resolved…

  • Resolved

  • over 1 year ago
  • Logic
  • Logic forum

• SN74HCS74: Suggestion regarding how to lookup quickly if the selected D-type Flip-flop is equipped with "initial-Q reset" or "initial-Q clear" feature

  

  Joe Tsai

  Answer Suggested

  Part Number: SN74HCS74 Hello Team, As shown on the subject, recently I am searching for D-type Flip-flop which is equipped with "initial-Q reset" or "initial-Q clear" feature, would like know from your side how can I lookup it quickly in the datasheet…

  • 9 months ago
  • Logic
  • Logic forum
Answered

• SN74HCS74-Q1: initial state of SN74HCS74-Q1

  

  Jay wang

  Resolved

  Part Number: SN74HCS74-Q1 hi experts I have a question about initial state of SN74HCS74-Q1. Q1:when PRE=H,CLR=H,CLK=L and user just starts power for SN74HCS74-Q1, can we make sure the state of Q? The truth table is shown below.

  • Resolved

  • over 2 years ago
  • Logic
  • Logic forum
Answered

• SN74HCS74: Clock edge issue

  

  tyrael cui

  Resolved

  Part Number: SN74HCS74 Other Parts Discussed in Thread: SN74LVC1G00 , SN74LVC1G132 Hi Logic Experts, I'm using the sn74HCS74 to control power on/off. Below is my schematic. The clock signal is drived by the output of the SN74LVC1G00。 Here is the…

  • Resolved

  • over 2 years ago
  • Logic
  • Logic forum

• SN74HCS74-Q1: SN74HCS74PW

  

  Giridhar N

  TI Thinks Resolved

  Part Number: SN74HCS74-Q1 Hello team, I am using SN74HCS74PW IC in one of my project. We are operating with 3.3V logic supply (MCU operating supply voltage). In Datasheet, 3.3V logic supply voltage not provided, Could you please provide the VIH, VIL,…

  • over 2 years ago
  • Logic
  • Logic forum

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