A couple of the dev boards I've been experimenting with have a fused quartz window leaving the chip visible, offering the perfect opportunity to take a few close up photos.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsi0XqMvRKw9y-ywfzUr-GeOQO7Xm_lL_apFqmEjqsI51TVTv8EWv8XV9Q_KLA5qe05seqDRGQZIN3XfgpgF8RAo86MGrYoL1cBFwdxVmByx58ivYr7k6CFUrvPaZPJNANUY6AYu5a1uM/s1600/87c752.jpg)
The 87C752-5F28 is a Harvard architecture microcontroller based on Intel's 80C51 with 2K EPROM and 64 bytes of RAM.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirj7QqItZ1R_hOOk-pGWz6HC4G51IsX1kELhEan8-gTd8-TvtDjEz_Nj27EMFK0UdsRL0g_QiPNxlfhk3yYf3D6JKjE9eAh0kb4Vka3lqcm24cQV-OcyAFGS8-J5q8az91WOa2stahbCA/s1600/27c4001.jpg)
The M27C4001-15F6 EPROM is a non-volatile 512K memory chip. The memory is normally written with an EPROM programmer and erased using ultraviolet light.
That is fascinating. I love the closeup of the chip, especially that first picture.
ReplyDeleteVeri interesting info and pics!!! i always want to open a lot of informatic stuff, im very curious jaja
ReplyDeletenice shot! cool, contents. keep it up!
ReplyDelete