Single-Channel: 6N135, 6N136 , HCPL2503, HCPL4502 .
HCPL4502 - High Speed Transistor Optocouplers
HCPL4502 - (HCPL-xxxx) Single Channel / High Speed Optocouplers
HCPL4502 - Optocouplers/Optoisolators (Rev. A)