公开(公告)号：US20200176050A1

公开(公告)日：2020-06-04

申请号：US16783063

申请日：2020-02-05

申请人： c/o Micron Technology, Inc.

发明人： Yutaka Ito ,  Yuan He

IPC分类号： G11C11/406 ,  G11C11/408 ,  G11C11/4076

摘要： Apparatuses and methods for triggering row hammer address sampling are described. An example apparatus includes an oscillator circuit configured to provide a clock signal, and a filter circuit. The filter circuit includes a control circuit configured to receive pulses of the clock signal and provide an output signal that represents a count number by counting a number of pulses of the clock signal and control a probability of enabling the output signal based on the count number. The filter circuit further includes a logic gate configured to pass one of the pulses of the clock signal responsive to the output signal from the control circuit being enabled and filter another of the pulses responsive to the output signal from the control circuit being not enabled

公开(公告)号：US11081160B2

公开(公告)日：2021-08-03

申请号：US16783063

申请日：2020-02-05

申请人： c/o Micron Technology, Inc.

发明人： Yutaka Ito ,  Yuan He

IPC分类号： G11C8/00 ,  G11C11/406 ,  G11C11/408 ,  G11C11/4076

摘要： Apparatuses and methods for triggering row hammer address sampling are described. An example apparatus includes an oscillator circuit configured to provide a clock signal, and a filter circuit. The filter circuit includes a control circuit configured to receive pulses of the clock signal and provide an output signal that represents a count number by counting a number of pulses of the clock signal and control a probability of enabling the output signal based on the count number. The filter circuit further includes a logic gate configured to pass one of the pulses of the clock signal responsive to the output signal from the control circuit being enabled and filter another of the pulses responsive to the output signal from the control circuit being not enabled.