发明名称 |
Compact row decoder with multiple voltage support |
摘要 |
The present invention provides a compact row decoder with multiple voltage support. The row decoder may include a global driver and a plurality of row-level drivers. The global driver may include one or more voltage level shifters that are operable to provide multiple voltages required to drive each of the plurality of row-level drivers. The plurality of row-level drivers each may include only one voltage level shifter. In an example, the row-level driver includes an address decoder implemented in a digital domain providing an address selection signal, a voltage level shifter to convert the address selection signal to an analog domain, and a row driver receiving driving signals from the global driver. The row driver has no voltage level shifter contained therein. Thus, the row-level drivers and the row decoder may be very compact. The present invention further provides a CMOS image sensor including the row decoder and a method of operating the CMOS image sensor. |
申请公布号 |
US9609254(B2) |
申请公布日期 |
2017.03.28 |
申请号 |
US201414538772 |
申请日期 |
2014.11.11 |
申请人 |
CISTA SYSTEM CORP. |
发明人 |
Guo Li;Zhang Guangbin |
分类号 |
H04N5/376;H04N3/14;G11C8/10 |
主分类号 |
H04N5/376 |
代理机构 |
United States Research and Patent Firm |
代理人 |
Wang Guosheng;United States Research and Patent Firm |
主权项 |
1. A row decoder, comprising:
a plurality of row-level drivers configured to drive a plurality of rows of pixels; and a global driver comprising at least one global voltage level shifter that is operable to drive the plurality of row-level drivers; wherein each of the plurality of row-level drivers comprises an address decoder implemented in a digital domain, a row driver implemented in an analog domain, and only one row-level voltage level shifter connected between the address decoder and the row driver, and wherein said row driver has no voltage level shifter included therein. |
地址 |
Grand Cayman KY |