BUY HCPL2231 https://www.utsource.net/itm/p/116216.html
(HCPL-xxxx) Very High CMR / Wide VCC Logic Gate Optocouplers
Description: The HCPL2231 is an optically coupled isolator consisting of an AlGaAs LED, optically coupled to a high speed integrated photo detector. Features: High speed: tPHL/tPLH = 10/10 ns (typical) Low input current: IIN = 5 μA (max) High isolation voltage: Viso = 5300 Vrms (min) Low output saturation voltage: VCE(SAT) = 0.4 V (max) Low propagation delay: tPLH = 10 ns (typical) TTL compatible UL recognized (File No. E67349) Applications: Industrial control Power supply control Interface circuits Computer peripheral interface Telecommunications Automotive electronics
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