Bypass techniques to protect noise sensitive circuits within integrated circuit chips
摘要:
Bypass techniques are provided herein to protect noise sensitive circuits from both internal and external noise sources. According to one embodiment, an integrated circuit (IC) chip may include a noise sensitive circuit coupled between a power supply pad and a first ground pad of the IC chip. In order to protect the first ground pad of the noise sensitive circuit, two distinct bypass paths are provided to route noise current around the noise sensitive circuit. Each bypass path terminates in its own ground pad (e.g., a second ground pad and third ground pad), which is separate from the first ground pad of the noise sensitive circuit.
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