![]() ![]() ![]() Most of the popular “reasonably priced” EPROM programmers only accept devices up to 40 pins. The challenge is finding a reasonably priced programming solution for these devices. 27C322 – 32Mb, organised as 2M x 16bit in a 42 pin DIP.27C160 – 16Mb, organised as 1M x 16bit in a 42 pin DIP.27C800 – 8Mb, organised as 512K x 16bit in a 42 pin DIP.27C400 – 4Mb, organised as 256K x 16bit in a 40 pin DIP.This family utilise a pin-out that is compatible with MASK ROM’s of the same size, so in many cases they are a simple drop-in replacement. There is a popular family of EPROM’s which are fit for this MASK ROM replacement purpose. No doubt, this also applies to various other cool Retro devices from the 16bit era. Often this requirement comes about due to a need to replace an original MASK ROM in 16bit devices like SNES & Sega consoles, and Amiga computers etc. The Fully Assembled & Tested Adapter is also available on eBay (Tindie is preferred): Īmongst Retro Gaming and Retro Computer enthusiasts, there is often a need to program relatively large 42 pin (and 40 pin) 16bit wide EPROM chips. ![]() ![]() If you’d like one of these Adapters, you’ll find a Kitset or a Fully Assembled & Tested option, on Tindie: ![]()
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