I can't find information for the IC in the picture. It's a socketed 8 pin DIP that is part of the controller of a CNC machine. As far as I can see it receives signals from a microcontroller and then connects to a pair of 75176B which in turn connect to a Delta ASDA B2 servocontroller. Thanks in advance. unknown IC


1 Answer 1


The UR mark suggests a safety-related part, such as an optocoupler.

And in fact, the Broadcom (formerly Avago, Agilent, or HP) HCPL-2630 has this marking:

enter image description here

It is a dual optocoupler. Full details here.

  • \$\begingroup\$ Proven correct, I don't know why it escaped my too many searches. \$\endgroup\$
    – r_cz
    Commented Mar 9, 2020 at 3:49

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