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Feed-through signal transmission device/method and related feed-through signal transmission circuit

A technology of feed-through signal and transmission device, applied in the direction of logic circuit interface device, logic circuit connection/interface layout, etc., can solve the problems of increasing power consumption, circuit power failure, etc., and achieve the effect of reducing leakage power consumption

Inactive Publication Date: 2017-01-04
MEDIATEK INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using always-on cells will increase power consumption
Specifically, when both the source block before the feedthrough circuit and the sink block after the feedthrough circuit are powered off, the feedthrough circuit will continue to supply power, which inevitably leads to leakage power
Thus, there is a need for an innovative feedthrough circuit design that uses normally open cells, but the circuit can be de-energized

Method used

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  • Feed-through signal transmission device/method and related feed-through signal transmission circuit
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  • Feed-through signal transmission device/method and related feed-through signal transmission circuit

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Embodiment Construction

[0022] Certain terms are used throughout the description and claims to refer to particular components. It should be understood by those skilled in the art that manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a basis for distinction. The "comprising" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0023] Please refer to figure 2 , which is a schem...

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Abstract

The present invention relates to a feed-through signal transmission device / method and a related feed-through signal transmission circuit. The device comprises feed-through signal transmission circuits, each feed-through signal transmission circuit includes at least one subcircuit, wherein when the subcircuit executes the feed-through signal transmission, the subcircuit keeps the power-on state, and the subcircuit includes a relay for feed-through normal opening and a normally opening control cell. When the subcircuit executes the feed-through signal transmission, the power-on state of the subcircuit is kept, wherein the subcircuits of the feed-through signal transmission circuit are located at the position of the single silicic chip areas based on the grids. The feed-through signal transmission device / method and the related feed-through signal transmission circuit can perform cutting-off according to the requirement so as to greatly reduce the electric leakage power loss.

Description

【Technical field】 [0001] Embodiments disclosed herein relate to signal transmission circuits, apparatus, and methods, and more particularly to feedthrough using at least one normally-on buffer and a switchable normal buffer that can be selectively powered down Signal transmission circuit, device and method. 【Background technique】 [0002] Feedthroughs are conductors used to carry signals through a printed circuit board (PCB for short). Feedthroughs can be divided into power and instrumentation classes, where power feedthroughs are used to carry high currents or high voltages, and instrumentation feedthroughs are used to carry electrical signals, typically low currents or low voltages. [0003] Please refer to figure 1 , figure 1 It is a schematic diagram of the feedthrough in the circuit design according to the background art. Such as figure 1 As shown, the circuit system 100 includes three circuits 10 , 20 , 30 which belong to different partitions / blocks / power domains ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/0175
CPCH03K19/017509
Inventor 卢建邦张裕东
Owner MEDIATEK INC
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