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A comment on 555 timer teardown: inside the world's most popular IC. Parent comment

Re:555 timer teardown: inside the world's most popular IC by kardos on Saturday February 20, 2016 @01:06PM (#11141123)
Just before the conclusion he addresses that; there was a revised/improved version in 1997 that was a commercial failure. Presumably due to the 555's ubiquity.
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