[amp_mcq option1=”Latch-up rings” option2=”Guard rings” option3=”Latch guard rings” option4=”Substrate rings” correct=”option1″]
The correct answer is: Guard rings.
Guard rings are a type of semiconductor device that is used to reduce the latch-up effect. Latch-up is a condition that can occur in CMOS integrated circuits when two or more transistors are turned on simultaneously. This can cause the circuit to become unstable and can lead to damage to the device.
Guard rings are placed around the sensitive areas of the circuit and help to prevent the latch-up effect from occurring. They do this by providing a path for current to flow that does not involve the sensitive areas of the circuit. This helps to prevent the transistors from being turned on simultaneously and prevents the latch-up effect from occurring.
The other options are incorrect because they do not help to reduce the latch-up effect.
- Latch-up rings are not a type of semiconductor device.
- Substrate rings are not a type of semiconductor device.
- Latch guard rings are not a type of semiconductor device.