Abstract: An apparatus is disclosed. The apparatus includes an address counter configured to provide a refresh address to a refresh circuit, wherein the address counter includes a plurality of counter cells coupled in series from a first counter cell to a last counter cell downstream of the first counter cell, wherein an output of each of the plurality of counter cells each correspond to an address bit of the refresh address, wherein the address bit of the refresh address provided by a later counter cell downstream of an earlier counter cell is a less significant bit of the refresh address than the address bit of the refresh address provided by the earlier counter cell.

Abstract: An apparatus is disclosed. The apparatus includes an address counter configured to provide a refresh address to a refresh circuit, wherein the address counter includes a plurality of counter cells coupled in series from a first counter cell to a last counter cell downstream of the first counter cell, wherein an output of each of the plurality of counter cells each correspond to an address bit of the refresh address, wherein the address bit of the refresh address provided by a later counter cell downstream of an earlier counter cell is a less significant bit of the refresh address than the address bit of the refresh address provided by the earlier counter cell.

Abstract: An example apparatus includes an address counter configured to provide refresh addresses to a refresh circuit, wherein the address counter includes a plurality of counter cells configured to count through count values between a minimum count value to a maximum count value, wherein an output of each of the plurality of counter cells each corresponds to an address bit of the refresh address, and a reset circuit coupled to a counter cell of the plurality of counter cells, wherein the reset circuit is configured to reset the counter cell of the plurality of counter cells to an initial value responsive to the plurality of counter cells changing from a first count value to a second count value to skip at least some of the count values to provide the refresh addresses, wherein the first and second count values are less than the maximum count value.

Abstract: Methods, apparatuses, and systems for performing refresh operations on a memory cell array that does not have an Nth-power-of-2 number of memory mats are disclosed. An address counter configured to skip the refresh addresses not assigned to a memory mat is disclosed. An address counter configured to distribute the refresh addresses not assigned to a memory mat across a refresh period is disclosed. A mask determination circuit that suppresses refresh operations for refresh addresses not assigned to a memory mat is disclosed.