Texas Instruments SN74161N Synchronous 4-Bit Counter IC (Set of 5)

HITACHI HD74HC161FPEL Synchronous 4-bit Binary Counter IC (5pcs)

Texas Instruments SNJ5437J 4-Bit D-Type Register, 3-State Outputs

Texas Instruments Logic IC Dual 4-Bit Binary Counter SN74HC390N (5-Pack)

Texas Instruments SNJ54LS283J 4-Bit Binary Full Adder IC (Fast Carry)

Texas Instruments SNJ54LS193J 4-bit Up/Down Binary Counter IC

Texas Instruments SN74LS697N Synchronous Up/Down Counter Logic IC

Texas Instruments SN74LS379NS 4-bit D Flip-Flop w/ Enable (2pcs)