Patent ID: 11994888

Abstract:
A packaged die including a first and a second power supply pad configured to provide a first and a second power supply voltage, respectively, and circuitry powered by the first power supply voltage. A power pad handling circuitry includes a selectively enablable pull-down path coupled between the first power supply pad and the second power supply pad, a storage circuit configured to store a pull-down path enable bit, a clock input coupled to receive a boot clock, and an asynchronous input coupled to receive a power-on-reset (POR) signal. In response to assertion of the POR signal, the pull-down pat is enabled regardless of any signal received at the clock input and regardless the value of the pull-down path enable bit. When reset has completed, a value of the pull-down path enable bit is provided upon an active edge of the boot clock to selectively enable the pull-down path.