Part Number: SN75ALS176 Other Parts Discussed in Thread: THVD1552 , SN75179B , SN74LV374A , SN74HCS86 , SN74AHC86 , SN74AHC374 , SN74LV86A Hi Experts,
The customer needs help in setting up an eye diagram on my oscilloscope to check my RS-485 communication…
Part Number: SN75ALS176 Hi Team,
Can you please have a look at the following customer inqury?
In one of our devices we have internally a RS485 bus with 12 nodes. In all participants we have the differential bus transceiver 75A176 in use. The bus runs…
Hi Karthik,
thank you for updating me, it gives me a better understanding of your application.
In the specific picture that I posted, the TVS diodes are CDSOT23-SM712 by Bourns; you can find the full BOM on table 7 of the datasheet of THVD1552. It…
Hi Roy,
1. The failsafe network contains in your case R1801 and R1812 they pull up the the A and B BUS lines to insure that always a defined voltage is provided to the bus. You can find mor information (Page 10,11 and 12) here:
/cfs-file/__key/communityserver…
Hi Kaji,
the current source red circle in the diagram is used to mimic the leakage circuit that generates the receiver fail-safe threshold. The internal fail safe is offering fail safe for open-line cases. But you can not use this feature when you are…
