Answered

• TXS0108E: Powe up sequence

  

  Kazuhiko Hirano

  Resolved

  Part Number: TXS0108E Hello, Q1 Datasheet 6.3 (3) says “VCCA must be less than or equal to VCCB”. But, datasheet 6.1 says VCCA could be -0.5V to 4.6V and VCCB could be -0.5V to 6.5V. So, power up sequence could be VCCA (1.8V) gets up first…

  • Resolved

  • 3 months ago
  • Logic
  • Logic forum
Answered

• TXS0108E: VOHA/VOHB specification

  

  Kazuhiko Hirano

  Resolved

  Part Number: TXS0108E Hello, Datasheet specifies VOHA and VOHB at IOH = -20uA. Does TI have VOHA/VOHB specification at IOH is not equal to -20uA? Best regards, K.Hirano

  • Resolved

  • 3 months ago
  • Logic
  • Logic forum
Answered

• TXS0108E-Q1: TXS0108E portB IO oscillating

  

  jack zh

  Resolved

  Part Number: TXS0108E-Q1 Other Parts Discussed in Thread: TXS0108E , LSF0108 , SN74GTL2003 I use TXS0108E levelshift the voltage of IO. VCCA=1.8V,VCCB=3.3V,OE always on the module connect portB IO some is for debug uart ,these IO keep poweroff under normal…

  • Resolved

  • 5 months ago
  • Logic
  • Logic forum
Answered

• TXS0108E: Question about TXS0108E Vil level

  

  Jerome Shin

  Resolved

  Part Number: TXS0108E Hi Team, Regarding Vil level of TXS0108 had discussed several times in E2E, but I need to understand about the input low voltage level in more detail. In the case of my customer, their input signal is as following, and 0.15V level…

  • Resolved

  • 6 months ago
  • Logic
  • Logic forum
Answered

• TXS0108E: The drive capability of TXS0108E

  

  Jay Li

  Resolved

  Part Number: TXS0108E Other Parts Discussed in Thread: TPS55288 , TXU0304 , TXU0104 , TXU0204 Hi， We found a question in the application of TXS0108E. In our application , VCCA=1.8V , VCCB=3.3V. we connect A1 pin to the IO of FPGA 1.8V bank and B1 pin to…

  • Resolved

  • 6 months ago
  • Logic
  • Logic forum
Answered

• TXS0108E: SPI clock distortion

  

  Jay Chien

  Resolved

  Part Number: TXS0108E Hi Support team We have application apply the TXS0108E for SPI leavel shifter, it already built hundrand boards without problem, recently we got problem on it. The circuit as below, the host is Marvell/OcteonTX2 with 1.8V SPI output…

  • Resolved

  • 5 months ago
  • Logic
  • Logic forum

• TXS0108E: The external pull-up resistor is required to connect open drain output device?

  

  Kazuhiko Hirano

  TI Thinks Resolved

  Part Number: TXS0108E Hello When connecting TXS0108E I/Os to open drain output device, the external pull-up resistor is required, or it is not required since TXS0108E has RPUA/B internally? Best regards, K.Hirano

  • 3 months ago
  • Logic
  • Logic forum

• TXS0108E: if the waveform from portB of TXS0108E is normal?

  

  zhiheng liu

  TI Thinks Resolved

  Part Number: TXS0108E Hi，Johnny 我们的应用场景如下， 测试到的波形如下： 蓝色为A-PORT输入，黄色为B-PORT输出 理论上黄色波形应为高电平3.3V的方波，但实测高电平为2.5V左右，上升沿有瞬间冲到3.3V左右然后回落2.5V； 请帮忙确认下为何会出现这种情况？这种情况是否正常？谢谢！

  • 7 months ago
  • Logic
  • Logic forum

• TXS0108E-Q1: TXS0108EQPWRQ1

  

  Roy Chan

  TI Thinks Resolved

  Part Number: TXS0108E-Q1 Hi Expert: our customer is design TXS0108EQPWRQ1 level shift from 1.8V SoC I2C bus to 3.3V device I2C bus . we found there have ~0.5V voltage DC level on both 1.8V and 3.3V I2C bus line , the ~0.5V voltage DC level will disappear…

  • 5 months ago
  • Logic
  • Logic forum

• TXS0108E: Logic - INTERNAL forum

  

  Steve Widener

  TI Thinks Resolved

  Part Number: TXS0108E Our case is PUSH/PULL with the voltages 1v8 to 2v5 and vis versa. The voltages are at normal variations ~+/-3% We would (URGENTLY) like to know what will be the max delay variations (please note "variations ") of the same A &…

  • 5 months ago
  • Logic
  • Logic forum

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