18601512. SHARED POWER FOOTER CIRCUIT simplified abstract (Taiwan Semiconductor Manufacturing Company, Ltd.)

SHARED POWER FOOTER CIRCUIT

Organization Name

Taiwan Semiconductor Manufacturing Company, Ltd.

Inventor(s)

Hidehiro Fujiwara of Hsin-chu (TW)

Kao-Cheng Lin of Taipei City (TW)

Wei Min Chan of Sindian City (TW)

Yen-Huei Chen of Jhudong Township (TW)

SHARED POWER FOOTER CIRCUIT - A simplified explanation of the abstract

This abstract first appeared for US patent application 18601512 titled 'SHARED POWER FOOTER CIRCUIT

The abstract of the patent application describes a device with two power domains, each connected to a circuit block and a virtual VSS terminal. A footer circuit controls the connection between the virtual VSS terminal and the ground terminal.

• Simplified Explanation:

- Device with two power domains - Each domain connected to a circuit block and virtual VSS terminal - Footer circuit controls connection to ground terminal

• Key Features and Innovation:

- Dual power domains for separate circuit blocks - Virtual VSS terminal for both blocks - Footer circuit for selective connection control

• Potential Applications:

- Integrated circuits - Power management systems - Electronic devices with multiple power domains

• Problems Solved:

- Efficient power distribution - Enhanced circuit performance - Simplified ground connection control

• Benefits:

- Improved circuit reliability - Optimal power utilization - Enhanced system flexibility

• Commercial Applications:

- Power management ICs - Consumer electronics - Automotive electronics

• Questions about the Technology:

1. How does the footer circuit control the connection between the virtual VSS terminal and the ground terminal? 2. What are the advantages of having separate power domains for different circuit blocks?

• Frequently Updated Research:

- Stay updated on advancements in power management systems - Monitor developments in integrated circuit design

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Original Abstract Submitted

A device includes a first power rail for a first power domain and a second power rail for a second power domain. A first circuit block is connected to the first power rail and a second circuit block is connected to the second power rail. The first and second circuit blocks are both connected to a virtual VSS terminal. A footer circuit is connected between the virtual VSS terminal and a ground terminal, and the footer circuit is configured to selectively control a connection between the virtual VSS terminal and the ground terminal.