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US 12,607,665 B2Granted
Electronic devices related to monitoring of internal nodes
AssigneeSK hynix Inc.
InventorsKi Hyuk Sung, Seung Ho Lee
Life of this patent
Estimating the term…
Abstract
An electronic device includes a power detection signal generation circuit configured to receive power to generate a power detection signal, a switch control signal generation circuit configured to generate a switch control signal when a test for monitoring internal nodes is performed, and a monitoring control circuit configured to connect one of the internal nodes to a test node, based on the power detection signal and the switch control signal, and to output a monitoring signal through the test node.
Claims18
An electronic device comprising:
- a power detection signal generation circuit configured to receive power to generate a power detection signal;
- a switch control signal generation circuit configured to generate a switch control signal when a test for monitoring internal nodes is performed;
- and
- a monitoring control circuit configured to connect one of the internal nodes to a test node, based on the power detection signal and the switch control signal, and to output a monitoring signal through the test node,
- wherein the monitoring control circuit includes a connection control circuit including a plurality of power switches turned on based on the power detection signal, and a switch control circuit including a plurality of selection switches turned on based on the switch control signal.
2 more elements
An electronic system comprising:
- a test circuit configured to supply power and to receive a monitoring signal;
- and
- an electronic device configured to receive the power to generate a power detection signal, to generate a switch control signal when a test for monitoring internal nodes is performed, to connect one of the internal nodes to a test node, based on the power detection signal and the switch control signal, and to output the monitoring signal through the test node,
- wherein the electronic device includes a connection control circuit including a plurality of power switches turned on based on the power detection signal, and a switch control circuit including a plurality of selection switches turned on based on the switch control signal.
1 more element
An electronic system comprising:
- a test circuit configured to supply power, to supply a switch control signal generated when a test for monitoring internal nodes is performed, and to receive a monitoring signal;
- and
- an electronic device configured to receive the power to generate a power detection signal, to connect one of the internal nodes to a test node, based on the power detection signal and the switch control signal, and to output the monitoring signal through the test node,
- wherein the electronic device includes a connection control circuit including a plurality of power switches turned on based on the power detection signal, and a switch control circuit including a plurality of selection switches turned on based on the switch control signal.
1 more element
Dependencies are inferred from the claim text.