Gate Array Logic. Field programmable, eraseable and re-programmable, consolidated logic chips. Commonly used to replace 74xxx chips they do glue logic in class

Gate Array Logic. Field programmable, eraseable and re-programmable, consolidated logic chips. Commonly used to replace 74xxx chips they do glue logic in classic 8bit computer designs like the Apple II https://en.wikipedia.org/wiki/Generic_array_logic https://en.wikipedia.org/wiki/Generic_array_logic