74HC297 Digital phase-locked-loop filter
74HC297D-T Analog Phase-Locked Loop
74HC298 Quad. 2-input Multiplexers (with storage)
74HC299 8-bit universal shift register; 3-state
74HC299D 8-bit universal shift register; 3-state
74HC299DB 8-bit universal shift register; 3-state
74HC299N 8-bit universal shift register; 3-state
74HC299PW 8-bit universal shift register; 3-state