CPC G11C 11/4076 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0653 (2013.01); G06F 3/0659 (2013.01); G06F 3/0673 (2013.01); G11C 7/222 (2013.01); G11C 11/409 (2013.01)] | 20 Claims |
1. A method for performing a duty adjustment operation, the method comprising:
performing a first duty adjustment operation on a write clock, the first duty adjustment operation including:
transmitting the write clock to an external device;
receiving a first duty monitoring information from the external device, the first duty monitoring information representing a result of monitoring duty cycle of the write clock; and
generating a first duty control signal based on the first duty monitoring information and transmitting the first duty control signal to the external source for adjusting the duty cycle of the write clock in the external device; and
performing a second duty adjustment operation on a read clock, the second duty adjustment operation including:
receiving a read clock generated based on the write clock and a second duty monitoring information from the external device, the second duty monitoring information representing a result of monitoring a duty cycle of the read clock; and
generating a second duty control signal based on the second duty monitoring information and transmitting the second duty control signal to the external source for adjusting the duty cycle of the read clock in the external device.
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