Description
KM4164B-15 / TMS4164-15NL / 4164-12 / M5K4164AP-15 64K x 1 Bit NMOS Dynamic NOS RAM. DIP-16 Package. These can be used on William game boards to replace the 4116 RAM with either a modification to the PCB or power supply since the -5vdc needs to be removed otherwise it will destroy the new 4164 RAM.
hisnice –
It’s a smart move to upgrade to your Williams boards to use these. They’re cheaper, more reliable and it’s super handy to buy a few extras for piggybacking troubleshooting.