Integrated circuit chips with fuse-based mode selection capability include a first signal generator for storing a first logic state when the fuse is blown, in response to an externally generated input signal, and for generating a first option changing signal based on the stored first logic state. To...http://www.google.com/patents/US5659510?utm_source=gb-gplus-sharePatent US5659510 - Integrated circuit devices with reliable fuse-based mode selection capability and methods of operating same