TLC139, TLC339, TLC339Q LinCMOS MICROPOWER QUAD.
Texas Instruments
TLC339Q - MicroPower Quad Comparators
TLC139, TLC339, TLC339Q LinCMOS MICROPOWER QUAD COMPARATORS D Very Low Power . . . 200 µW Typ at 5 V D Fast Response Time . . . 2.5 µs Typ With 5-mV.