MAX942ESA High-Speed, Low-Power, 3V/5V, Rail-to-Rail, Single-Supply Comparators by Maxim. Package: Surface Mount 8-lead SOIC Extended heat range over standard CSA version. This ESA version is : -40 to +85ºC Download Maxim MAX1771CSA .pdf datasheet: Status: NOS (New Old Stock) RoHS Compliant: tbc