发明名称 |
DIGITAL TRIMMING IN A MICROELECTRONIC DEVICE |
摘要 |
Digital trimming logic is included in a microelectronic device of a type that produces an output signal in response to an input signal and a threshold signal. Trimming logic values are produced in response to a clock signal that is applied to the device in a trimming mode. The clock signal can be applied to a device pin that is used in normal operation to provide an output signal, thus allowing the pin to serve a dual function. The trimming logic changes the trimming logic value in response to the clock signal until the trimming logic value reaches a trim value at which the threshold signal is substantially equal to the input signal. The trimming logic then stores the trim value in a non-volatile memory and enters a locked mode in which further trimming is prevented and the device is ready for normal operation.
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申请公布号 |
US2010105155(A1) |
申请公布日期 |
2010.04.29 |
申请号 |
US20080259361 |
申请日期 |
2008.10.28 |
申请人 |
AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD. |
发明人 |
PENG JIA;CHANG KWEE CHONG;JIANG SHAN |
分类号 |
G01R31/26 |
主分类号 |
G01R31/26 |
代理机构 |
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地址 |
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