US 11,791,814 B2
Circuit and method to enhance efficiency of semiconductor device
Mao-Ruei Li, Hsinchu (TW); Ming Hsien Tsai, New Taipei (TW); and Ruey-Bin Sheen, Taichung (TW)
Assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu (TW)
Filed by TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu (TW)
Filed on Jan. 19, 2022, as Appl. No. 17/579,526.
Application 17/579,526 is a continuation of application No. 17/069,643, filed on Oct. 13, 2020, granted, now 11,264,979.
Prior Publication US 2022/0149830 A1, May 12, 2022
Int. Cl. H03K 7/08 (2006.01); G06F 30/20 (2020.01); G04F 10/00 (2006.01); H03K 3/017 (2006.01); H03K 5/156 (2006.01); H03L 7/085 (2006.01); H03L 7/06 (2006.01); G11C 16/32 (2006.01); G06F 30/337 (2020.01); G04F 10/04 (2006.01)
CPC H03K 7/08 (2013.01) [G04F 10/005 (2013.01); G04F 10/04 (2013.01); G06F 30/20 (2020.01); G06F 30/337 (2020.01); G11C 16/32 (2013.01); H03K 3/017 (2013.01); H03K 5/1565 (2013.01); H03L 7/06 (2013.01); H03L 7/085 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A circuit, comprising:
a period calculator, for receiving a first predetermined digital code and a second predetermined digital code, and for calculating a first calculated period value according to the first predetermined digital code, and calculating a second calculated period value according to the second predetermined digital code, the first predetermined digital code having a first predetermined period value, the second predetermined digital code having a second predetermined period value;
a pulse width calculator, for receiving a predetermined pulse width, and calculating a first pulse width code corresponding to the predetermined pulse width according to a linear extrapolation equation of a transfer curve associated with the first predetermined period value, the second predetermined period value, the first calculated period value, the second calculated period value and the predetermined pulse width; and
an output generation unit configured for generating a pulse width output signal according to the first pulse width code.