US 11,705,466 B2
Imaging device
Kuo-Yu Chou, Hsinchu (TW); and Shang-Fu Yeh, Hsinchu (TW)
Assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., Hsinchu (TW)
Filed by TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu (TW)
Filed on Nov. 16, 2020, as Appl. No. 17/98,963.
Application 17/098,963 is a continuation of application No. 14/963,160, filed on Dec. 8, 2015, granted, now 10,840,281.
Prior Publication US 2021/0066363 A1, Mar. 4, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01L 27/146 (2006.01)
CPC H01L 27/14609 (2013.01) 20 Claims
OG exemplary drawing
 
1. An integrated circuit, comprising:
a comparator configured to generate a comparator output signal in response to a pixel output signal and a reference signal;
a counter coupled to the comparator, and configured to be enabled or disabled in response to the comparator output signal; and
a control circuit coupled to the comparator, and configured to enable or disable the comparator by a first enable signal, the first enable signal generated in response to at least the comparator output signal.