I have the following chips for sale: 6 Ea. MC790P Dual JK Flip-Flop (RTL) with the Heath 443-9 P/N. 1 Ea. MC723P Single J-K FF (RTL) with the Heath 443-10 P/N. 2 Ea. Motorola MC717P Quad 2-Input NAND/NOR (RTL) . All parts are new with Gold leads in an Antistatic rail. Let me know if you are interested in a few or all, Chris.