TIBPAL16R4-10C, 'R6-10C, 'R6-12M, 'L8-12M are Not .
Texas Instruments
TIBPAL16L8-10C - Programmable Array Logic
TIBPAL16R4-10C, 'R6-10C, 'R6-12M, 'L8-12M are Not Recommended for New Designs. TIBPAL16R8-10C, 'R8-12M are Obsolete. TIBPAL16L8-10C, TIBPAL16R4-10C, T.