US 12,352,630 B2
Rapid temperature change detection using slew rate
Andrew Nicholas Mason, McKinney, TX (US); Shobha Subramanian, Richardson, TX (US); Hussain Kutbuddin Attarwala, McKinney, TX (US); and Ryan Wade Selby, Tucson, AZ (US)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on Sep. 30, 2021, as Appl. No. 17/491,395.
Prior Publication US 2023/0096883 A1, Mar. 30, 2023
Int. Cl. G01K 1/024 (2021.01); G01K 1/02 (2021.01); G01K 3/00 (2006.01); G01K 7/01 (2006.01); G08B 21/18 (2006.01); H03K 19/00 (2006.01); H03L 1/02 (2006.01)
CPC G01K 1/024 (2013.01) [G01K 1/026 (2013.01); G01K 3/005 (2013.01); G01K 7/01 (2013.01); G08B 21/182 (2013.01); H03K 19/00 (2013.01); H03L 1/027 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a register including an input and an output, and configured to receive at the input a first data based on a first temperature value, and to generate at the output a second data based on a second temperature value;
a subtraction circuit including a first subtraction input, a second subtraction input, and a subtraction output, the first subtraction input coupled to the input of the register, the second subtraction input coupled to the output of the register;
a timing circuit including a cycle time input, a shift output, and a direction output; and
a division circuit including a division input, a shift input, a direction input, and a divided output, the division input coupled to the subtraction output, the shift input coupled to the shift output, the direction input coupled to the direction output.