Recently we need to choose a popular RS-485 Transceiver of TI which need to meet the following conditions.
a.Powered by a 5-V supply
b.Low supply current,Icc is less than or equal to 1-mA
c.Industry-Standard SN75176 Footprint and Package Drawing in the D type
d.Operation from –40°C to +85°C air temperature
e.Time parameters such as tPHL,tPLH,tR and tF,are less than 100-nS.