Dallas Semiconductor DS1284 die decap: A look at a 30 year old design

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Dallas Semiconductor DS1284 die decap from Electronupdate:

The Dallas Semiconductor DS1284 (and related DS1286 which integrated a battery and crystal in the same package) found lots of use in industrial control and test equipment.
30 years ago processor chips contained not much other than the processor. Utility functions such as real time clocks, non volatile ram and watchdogs were always external.
Dallas semiconductor was quite successful in creating some of these utility chips which put a number of functions into a single device. The company was eventually acquired by Maxim in 2001.

More details at Electronupdate blog.

Check out the video after the break.

from Dangerous Prototypes http://ift.tt/2tm61ON

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