Importance

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Abstract

Power-on-reset logic is included within an integrated circuit. The power-on-reset logic includes a power-on-reset cell. The power-on-reset cell causes a reset signal to be issued upon a power signal being connected to the integrated circuit. The power-on-reset cell includes a power down input connected to a power-down line. When a power-down signal is placed on the power-down line, the power-on-reset cell is inactivated so that the power-on-reset cell does not cause the reset signal to be issued upon the power signal being connected to the integrated circuit. The power-on-reset logic also includes a logic block connected to the power-down line and to a system clock. The logic block issues a reset when the power-down signal is placed on the power-down line and the system clock is active. For example, the logic block is a delay (D) flip-flop having a D input connected to the power down line and a clock input connected to the system clock.

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First Claim