Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
electronics
.
Show all posts
Showing posts with label
electronics
.
Show all posts
Inside Intel's first product: the 3101 RAM chip held just 64 bits
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Intel's first product was not a processor, but a memory chip: the 3101 1 RAM chip, released in April 1969. This chip held just 64 bits ...
6 comments:
Reverse engineering the 76477 "Space Invaders" sound effect chip from die photos
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Remember the old video game Space Invaders? Some of its sound effects were provided by a chip called the 76477 Complex Sound Generation ch...
11 comments:
Inside the vintage 74181 ALU chip: how it works and why it's so strange
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The 74181 ALU (arithmetic/logic unit) chip powered many of the minicomputers of the 1970s: it provided fast 4-bit arithmetic and logic funct...
10 comments:
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