US 12,088,307 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 Jul. 21, 2023, as Appl. No. 18/356,218.
Application 18/356,218 is a continuation of application No. 17/579,526, filed on Jan. 19, 2022, granted, now 11,791,814.
Application 17/579,526 is a continuation of application No. 17/069,643, filed on Oct. 13, 2020, granted, now 11,264,979, issued on Mar. 1, 2022.
Prior Publication US 2023/0412162 A1, Dec. 21, 2023
Int. Cl. H03K 7/08 (2006.01); G04F 10/00 (2006.01); G04F 10/04 (2006.01); G06F 30/20 (2020.01); G06F 30/337 (2020.01); G11C 16/32 (2006.01); H03K 3/017 (2006.01); H03K 5/156 (2006.01); H03L 7/06 (2006.01); H03L 7/085 (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 converter for converting a first predetermined clock signal to a first predetermined digital code based on a sampling clock signal, and converting a second predetermined clock signal to the second predetermined digital code based on a sampling clock signal;
a period calculator, for receiving the first predetermined digital code and the 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; and
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.