Answered

• SN65HVD78: R pin pull up or down resister

  

  Koji Ikeda

  Resolved

  Part Number: SN65HVD78 Hello Support team, My customer inquiries R pin. When they use it as receiver, does SN65HVD78D need pull up or pull down resister? R pin looks like to be push-pull output but Fig.26 uses 10k ohm pull up resister. Thanks, Koji…

  • Resolved

  • over 2 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Marking on the back

  

  Liu Yang

  Resolved

  Part Number: SN65HVD78 Hi Team, For the chips from the same tape and reel their back marking are different. Is it normal? Beat Regards, Tom Liu

  • Resolved

  • over 3 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Hot Swap Application

  

  Liu Yang

  Resolved

  Part Number: SN65HVD78 Hi Team, Can SN65HVD78D support hot swap? Is there any risk in hot swap application? Beat Regards, Tom Liu

  • Resolved

  • over 3 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Impedance of "R" pin and capacitance of "D" pin

  

  Ted Dager

  Resolved

  Part Number: SN65HVD78 Other Parts Discussed in Thread: THVD2450 Hi the SN65HVD78 and similar parts like (THVD2450) have the following structure on the Receive pin (datasheet page 16) I would like to know the impedance of the output stage ? or how to…

  • Resolved

  • over 4 years ago
  • Interface
  • Interface forum

• SN65HVD78: Termination resistor and connecting more than one slave devices with the transceiver

  

  Sharan Ghimire

  Part Number: SN65HVD78 Hello, I am using above mentioned parts to convert TTL /cmos logic to rs 485 and i am wondering if i need a termination resistors and what value ( typically its 60 ohm on each side). Other question I have is: I have 2 slave devices…

  • over 3 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Thermal pad on VSON package

  

  PetrJ

  Resolved

  Part Number: SN65HVD78 Hello, Is possible to connect Thermal pad (VSON package) to GND? There is no description in datasheet. In PIN table TP is missing. Below the package drawing, note 3. Is only written that, we must solder the TP to PCB, for better…

  • Resolved

  • over 4 years ago
  • Interface
  • Interface forum

• SN65HVD78: SN65HVD78 Abnormal problem

  

  AJ Cheng

  TI Thinks Resolved

  Part Number: SN65HVD78 Hello Sir. We use the SN65HVD78 device, there is a state of abnormal operation. (As shown below) SPI_CLK_A/B signal, the converted CLK will be one less (red circle), which will cause our data transmission error. Please help provide…

  • over 6 years ago
  • Interface
  • Interface forum

• SN65HVD78: parameter scale

  

  run Ren

  TI Thinks Resolved

  Part Number: SN65HVD78 Hi I used TI SN65HVD78 to test the A and B Pin of the chip, and the impedance was 300K. I want to know what is the range of normal impedance parameters of A and B Pin of this device? BR REN

  • over 5 years ago
  • Interface
  • Interface forum

• SN65HVD78: Serial port to RS485

  

  Jerry Hsueh

  TI Thinks Resolved

  Part Number: SN65HVD78 Other Parts Discussed in Thread: THVD1451 , THVD1450 Hi Team I want to use SN65HVD78D to realize serial port to RS485. There are the questions about the connection of device pins. The Pin1 of sn65hvd78D is connected to RX, and…

  • over 5 years ago
  • Interface
  • Interface forum
Answered

• SN65HVD78: Current consumption using SN65HVD78 in RX mode only?

  

  Bond - James Bond

  Resolved

  Part Number: SN65HVD78 Hello Interface Experts, Application is running in receiving mode only and transmitter is not used . There is a graph 8 given for the “dynamic supply current consumption Versus signaling rate”. Is it same for both transmitter…

  • Resolved

  • over 6 years ago
  • Interface
  • Interface forum

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