BUY HCPL817 https://www.utsource.net/itm/p/1909298.html
Description: The HCPL817 is an optocoupler with an integrated high speed open collector output.
Features:
High speed open collector output
Low input current
High isolation voltage
Low output saturation voltage
Low power consumption
High common mode transient immunity
Low propagation delay
Applications:
Industrial control
Telecommunications
Automotive
Power supplies
Measuring instruments
Computer peripherals
(For reference only)