BUY HC138 https://www.utsource.net/itm/p/1372934.html
HIGH SPEED TRANSISTOR OPTOCOUPLERS
Package: SOP16 Manufacturer: NEC Description: The HC138 is a 3-to-8 line decoder/demultiplexer with active LOW outputs. It is designed to be used with active LOW enable inputs. Features: Active LOW enable inputs High noise immunity Low power consumption High speed operation Low OFF-state output leakage current High ON-state output current Outputs are fully buffered for highest noise immunity and pattern insensitivity Outputs can be connected to form a 4-bit binary coded decimal (BCD) Applications: Address decoding Data routing BCD to decimal decoding Encoder/decoder applications Multiplexer/demultiplexer applications (For reference only)