they are out of stock on W65C816S6TQG-14 chips. WDC is a very small player and they probably do die manufacturing runs every couple of years and then package ac

they are out of stock on W65C816S6TQG-14 chips. WDC is a very small player and they probably do die manufacturing runs every couple of years and then package according to the demand. Surprisingly Mouser has 24 chips in stock with more "promised" very soon https://eu.mouser.com/ProductDetail/Western-Design-Center-WDC/W65C816S6TQG-14?qs=9lcNTSmDlCpDFNJ8GRf7eQ%3D%3D https://eu.mouser.com/ProductDetail/Western-Design-Center-WD... https://octopart.com/w65c816s6tqg-14-western+design+center-76928427 https://octopart.com/w65c816s6tqg-14-western+design+center-7... The other half is a standard chinese ~$30 XC6SLX16 +32MB DDR3 dev board. https://www.fpga-cookbook.com/xilinx-development-boards/xilinx-spartan6-xc6slx16/qmtech-spartan-6-xc6slx16-ddr3-core-board/ https://www.fpga-cookbook.com/xilinx-development-boards/xili... https://github.com/ChinaQMTECH/QM_XC6SLX16_DDR3/blob/master/QM_XC6SLX16_DDR3-User_Manual_V2.pdf https://github.com/ChinaQMTECH/QM_XC6SLX16_DDR3/blob/master/...