Answered

• SN75C189: About relation between Response and Threshold Control Inputs and threshold voltage

  

  Masanori Tachibana

  Resolved

  Part Number: SN75C189 Hello support team, I have two questions about SN75C189 and SN75C189A. I am trying to change the threshold voltage by connecting a pull-down resistor "RC" and bias voltage "VC" to pins of Response and Threshold Control Inputs.…

  • Resolved

  • over 7 years ago
  • Interface
  • Interface forum
Answered

• RE: TRS3122E: Looking for RS232 Transceiver with Hi-Z Input

  

  Hao L

  Resolved

  Antonio, You can take a look at DS14C89A, MC1489A, SN75C189. They are receivers only without internal pulldown resistors. Regards, Hao

  • over 5 years ago
  • Interface
  • Interface forum

Didn't find what you are looking for? Post a new question.