Abstract: Scan-based reset utilizes already existing design-for-test scan chains to reset control and logic circuitry upon reset conditions, such as power-up reset. Such utilization eliminates the need for expensive, high fan-out reset trees and per scan cell reset control logic, thus reducing chip area and power consumption. Additional power savings is achieved by controlling clock frequency during reset conditions. Limiting scan cell chain length and providing multiple chains reduces reset latency.

Abstract: Scan-based reset utilizes already existing design-for-test scan chains to reset control and logic circuitry upon reset conditions, such as power-up reset. Such utilization eliminates the need for expensive, high fan-out reset trees and per scan cell reset control logic, thus reducing chip area and power consumption. Additional power savings is achieved by controlling clock frequency during reset conditions. Limiting scan cell chain length and providing multiple chains reduces reset latency.

Abstract: A model of the memory device is provided, including a memory array model having a plurality of memory array model locations, and a plurality of decoder models, each associated with a memory array model location. Each memory array model location includes a first data set accessed with the input to that memory array model location in a first state, and a second data set accessed with the input to that memory array model location in a second state. The memory device model is provided to an automatic test pattern generation (ATPG) tool, and a test pattern is generated based on the memory device model.