4 bit comparator, Magnitude Comparator High speed differential amplifier - tatanh1983/conchodom GitHub Wiki

LM2903 Series 36 V 250 nA SMT Dual Low Power Voltage Comparator - SOIC-8

https://www.futureelectronics.com/p/semiconductors--analog--comparators/lm2903ydt-stmicroelectronics-1050734