Arithmetic

• Half Adder
• Full Adder
• 2-Bit Adder
• Adder-Subtractor (Malvino p. 86)

Flip-Flops

• SR (NAND) Flip-flop (Active Low)
• SR (NOR) Flip-flop (Active High)

Dividers

• 4060 Frequency Divider (ACES Christmas Tree / Minute Minder)
• Divide-by-2 (D Flip-flop)

Counters

Decoders

• ACES 4511S Signed 4-bit to 7-Segment

Miscellaneous

• 1-Bit Magnitude Comparator
• Rock-Paper-Scissors
• Rock-Paper-Scissors (Optimized)
• Joule Thief
• Analog Oscillator
• Multiplexer/Demultiplexer

References:

• Electronics Hub