The LP239 is obsolete and is no longer supplied. .
Texas Instruments
LP2901-Q1 - Low-Power Quad Differential Comparator
LP2901-Q1 www.ti.com .
Texas Instruments
LP2901 - Low-Power Quad Differential Comparator
The LP239 is obsolete and is no longer supplied. LP239, LP339, LP2901 LOWĆPOWER QUAD DIFFERENTIAL COMPARATORS SLCS004B − OCTOBER 1987 − REVISED SEPTE.