28C256 to 27C256

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27C256 to 28C256 adapter

This is an adapter PCB to plug a 28C256 into a socket that expects a 27C256. The 28C256 is (re)programmable without needing a test clip by virtue of on-board jumpers to switch the pinout between 27C256 and 28C256.

Source: http://github.com/bkw777/aDIPters

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