BUY DS9034PC https://www.utsource.net/itm/p/11684462.html
PCM W/O CRYSTAL NV SRAM SNAP-ON
Manufacturer: Dallas Semiconductor Description: 4-Channel RS-485/RS-422 Transceiver Features: Low power consumption High data rate up to 10 Mbps Low EMI/RFI Low skew Hot-swap capability Low propagation delay High noise immunity High ESD protection High common-mode transient immunity Applications: Industrial automation Automotive Security systems Building automation Medical equipment Networking Telecommunications (For reference only)