TIBPAL20L8-5C, TIBPAL20R4-5C, TIBPAL20R6-5C, TIBPA.
TIBPAL20R6-5C - HIGH-PERFORMANCE IMPACT-X PAL CIRCUITS
TIBPAL20R6-25C - Low Power High-Performance Impact Programmable Array Logic
TIBPAL20R6-15C - HIGH-PERFORMANCE IMPACT PAL CIRCUITS