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  • SN75185: OK to parallel SN75185 outputs for load handling capability?

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    Part Number: SN75185 RS232 folks, I have a customer wanting to parallel 3 SN75185 outputs for their customer load needs. Here is the actual email verbaige: We use SN75185 RS-232 transceiver on a few of our legacy serial interface products. They are supplied…
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  • SN75185: Application issue compare with GD65232 --- DTR signal delay

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    Part Number: SN75185 Other Parts Discussed in Thread: GD65232 Hi greeting! I'm helping customer to debug a issue about their application use SN75185DBR The VCC +/- is from ATX power +12V/-12V ; the other side is the RS-232 connector with cable hook…
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  • Difference between TRS3242E and SN75185

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    Other Parts Discussed in Thread: SN75185 , TRS3243E Hi Team Checked TRS3242E datasheet, it has a daul charge-pump circuit. Does it mean 3243E could chage to 12V/-12V internally? Besides this, any RS232 functional difference between using TRS3242E and SN75185…
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  • MAX3221-EP: Need for output damping resistor

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    Part Number: MAX3221-EP Other Parts Discussed in Thread: SN75185 Hi, I would like to know whether or not an output damping resistor is necessary for the RS232 transceiver. Also, if damping resistor is required, please would you tell me how to find the…
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  • SN75LP1185: ESD Protection

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    Part Number: SN75LP1185 Other Parts Discussed in Thread: SN75C185 , SN75185 , , TRS3253E Currently, I have a customer using back-to-back 20V zener diodes for ESD protection with SN75C185. They have this protection on Rax (input connected to the outside)…
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