Semiconductor device and operating method of the same
AssigneeSK hynix Inc.
InventorSun Myung CHOI
Life of this patent
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Abstract
The embodiments of the present disclosure relate to a semiconductor device including a monitoring circuit configured to monitor, during a boot-up period, a phase relationship between a reference signal and a flag signal to generate a monitoring signal; and a delay circuit configured to receive, during the boot-up period, the monitoring signal and a fuse signal and generate a fuse output signal which corresponds to the fuse signal or a delayed fuse signal depending on the phase relationship between the reference signal and the flag signal.
Claims22
A semiconductor device comprising:
- a monitoring circuit configured to monitor, during a boot-up period, a phase relationship between a reference signal and a flag signal to generate a monitoring signal;
- and
- a delay circuit configured to receive, during the boot-up period, the monitoring signal and a fuse signal and generate a fuse output signal which corresponds to the fuse signal or a delayed fuse signal depending on the phase relationship between the reference signal and the flag signal.
A semiconductor device comprising:
- a master die configured to generate, during a boot-up period, a first fuse output signal, which corresponds to a first fuse signal, regardless of a phase relationship between a first reference signal and a first flag signal;
- and
- a slave die configured to generate, during the boot-up period, a second fuse output signal which corresponds to a second fuse signal or a delayed second fuse signal depending on a phase relationship between a second reference signal and a second flag signal.
An operating method of a semiconductor device including a master die and a slave die, the operating method comprising:
- sequentially loading, by the master die, first fuse signals based on a first oscillation signal;
- sequentially loading, by the slave die, second fuse signals based on a second oscillation signal;
- in response to a non-target second fuse signal loaded among the second fuse signals during a boot-up period, monitoring, by the slave die, a phase relationship between a second reference signal and a second flag signal to generate a second monitoring signal;
- and
- in response to a target second fuse signal loaded among the second fuse signals during the boot-up period, generating, by the slave die, a second fuse output signal corresponding to the target second fuse signal or a delayed target second fuse signal according to the second monitoring signal.
Dependencies are inferred from the claim text.