Semiconductor device having temperature sensor circuit that detects a temperature range upper limit value and a temperature range lower limit value
First Claim
1. A device, comprising:
- a temperature sensor circuit coupled to receive a count value, the temperature sensor circuit detects a temperature range upper limit value and a temperature range lower limit value for a temperature of the device;
whereinthe temperature range lower limit value and the temperature range upper limit value are set in response to the count value provided by a counter circuit, andthe counter circuit is coupled to receive a first count signal and incrementally changes the count value in a first direction in response to the first count signal having a first logic level.
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Abstract
A semiconductor device that may include at least one temperature sensing circuit is disclosed. The temperature sensing circuits may be used to control various operating parameters to improve the operation of the semiconductor device over a wide temperature range. In this way, operating specifications of a semiconductor device at worst case temperatures may be met without compromising performance at other operating temperatures. The temperature sensing circuit may provide a plurality of temperature ranges for setting the operational parameters. Each temperature range can include a temperature range upper limit value and a temperature range lower limit value and adjacent temperature ranges may overlap. The temperature ranges may be set in accordance with a count value that can incrementally change in response to the at least one temperature sensing circuit.
111 Citations
19 Claims
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1. A device, comprising:
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a temperature sensor circuit coupled to receive a count value, the temperature sensor circuit detects a temperature range upper limit value and a temperature range lower limit value for a temperature of the device;
whereinthe temperature range lower limit value and the temperature range upper limit value are set in response to the count value provided by a counter circuit, and the counter circuit is coupled to receive a first count signal and incrementally changes the count value in a first direction in response to the first count signal having a first logic level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device, comprising:
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a temperature sensor circuit coupled to receive a count value, the temperature sensor circuit detects a temperature range upper limit value and a temperature range lower limit value for a temperature of the device; and a count transition detector coupled to receive a least significant bit of the count value and provide a count transition signal as a pulse in response to a logic transition in the least significant bit of the count value. - View Dependent Claims (16, 17, 18, 19)
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Specification