US 11,854,655 B2
Methods for providing device status in response to read commands directed to write-only mode register bits and memory devices and systems employing the same
Matthew A. Prather, Boise, ID (US); and Randall J. Rooney, Boise, ID (US)
Filed by Micron Technology, Inc., Boise, ID (US)
Filed on Nov. 23, 2021, as Appl. No. 17/534,230.
Application 17/534,230 is a continuation of application No. 16/815,999, filed on Mar. 11, 2020, granted, now 11,189,327.
Claims priority of provisional application 62/889,954, filed on Aug. 21, 2019.
Prior Publication US 2022/0084565 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G11C 7/10 (2006.01); G06F 11/30 (2006.01); G11C 11/4093 (2006.01)
CPC G11C 7/1045 (2013.01) [G06F 11/3037 (2013.01); G06F 11/3058 (2013.01); G11C 7/1051 (2013.01); G11C 7/1078 (2013.01); G11C 11/4093 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, at a memory device, a mode register read command targeting a write-only bit of a mode register; and
in response to the mode register read command, outputting data indicative of a status of the memory device that is independent of a value stored in the write-only bit.