Scannable Register/Driver Single-Element 3-CH ECL 28-Pin PLCC Tube
28-Pin Quad Flip-Flop, 5V, 5.7V, 4.2V, 1.025ns Propagation Delay
10E SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PQCC28, PLASTIC, LCC-28