BUY HCPL-601 https://www.utsource.net/itm/p/499405.html
Hermetically Sealed. Low IF. Wide Vcc. High Gain Optocouplers
Description: The HCPL-601 is an optocoupler from Agilent Technologies. It is a single channel, high speed, logic gate optocoupler.
Features:
High speed: tPHL/tPLH = 5/5 ns
High common mode transient immunity: >25 kV/μs
Low input current: 0.5 mA
Low output saturation voltage: 0.2 V
High isolation voltage: 5300 Vrms
UL recognized: UL1577
Applications:
Industrial control
Automotive
Power supplies
Telecommunications
Computer peripherals
Medical equipment
(For reference only)