74F597
8-Bit Shift Register (Philips)
74F598
8-Bit Shift Register (Philips)
74F50109
Synchronizing dual J-K positive edge-triggered flip-flop (Philips)
74F50728
Synchronizing cascaded dual positive edge-triggered D-type flip-flop (Philips)
74F50729
Synchronizing dual D-type flip-flop (Philips)
74F5074
Synchronizing dual D-type flip-flop/clock driver (Philips)
74F51
Dual 2-wide 2-input / 2-wise 3-input AND-OR-invert gate (Philips)
74F51
Dual 2-Wide 2-Input 2-Wide 3-Input AND-OR-Invert Gate (Fairchild)
74F521
8-bit identity comparator (Philips)
74F521
8-Bit Identity Comparator (Fairchild)