74HCT297 Digital phase-locked-loop filter
74HCT297D-T Analog Phase-Locked Loop
74HCT299 8-bit universal shift register; 3-state
74HCT299D 8-bit universal shift register; 3-state
74HCT299DB 8-bit universal shift register; 3-state
74HCT299N 8-bit universal shift register; 3-state
74HCT299PW 8-bit universal shift register; 3-state
74HCT299U 8-bit universal shift register; 3-state