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  • TB5D2H: PECL Driver and RS-485 Receiver

    Part Number: TB5D2H Other Parts Discussed in Thread: SN65LBC173A , TB5D1M , SN65LBC172A I found this app note: https://www.ti.com/lit/an/snla041a/snla041a.pdf It mentions: Differential ECL or even Pseudo ECL (PECL) will typically directly inter-operate…

  • SN65LBC173A: Device internal pullup/pulldown resistors

    Part Number: SN65LBC173A Other Parts Discussed in Thread: TB5D2H The SN65LBC173A has internal pullup/pulldown resistors on both inputs. From the functional block diagram, it looks like 100kΩ pullup, a series 18kΩ resistor, and then another few kΩ pullup…

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