Zero power power-on reset bootstrapping method and apparatus...

Details Zero power power-on reset bootstrapping method and apparatus... Zero power power-on reset bootstrapping method and apparatus...

H - Electricity

01

L

H01L 23/58 (2006.01) H03K 17/22 (2006.01)

Patent

CA 2245113

The invention provides a low-power selector circuit contained within an integrated circuit chip for selecting among a plurality of functions of the integrated circuit chip. The invention comprises a gated and pull-up resistor for connection to a power supply and connected to an input/output terminal pad of said integrated circuit chip; a sampling latch; a power-on reset circuit; said sampling latch being adapted on enablement by said power- on reset circuit to sample the voltage of the input/output terminal pad of said integrated circuit chip on power-up, to output a control signal to control functions of said integrated circuit chip, and in a predetermined situation to gate said pull-up resistor to an off state.

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