This paper introduces the structure of general GAL as well as 7 composite configurations of output logic macro cell (OLMC). The restriction on pin-assignment in practical applications is discussed.

• 本文介绍普通型GAL的结构和输出逻辑宏单元OLMC的7种组态类型；并在此基础上分析了实际应用中对引脚配置的限制.