Companies in my industry have products they sell for 10-20 years. The chips will get used. Product updates often keep the same chip, and the same chip is used a

Companies in my industry have products they sell for 10-20 years. The chips will get used. Product updates often keep the same chip, and the same chip is used across multiple product lines. EOL for these chips usually means a bunch of firmware engineers in sustaining need to scratch their head and read 10-15 year old documentation to find a viable replacement.