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Arrangement for trimming reference voltages in semiconducting chips enables rapid and cost-effective reference voltage trimming
Arrangement for trimming reference voltages in semiconducting chips enables rapid and cost-effective reference voltage trimming
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机译:调整半导体芯片中基准电压的安排可实现快速且经济高效的基准电压调整
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摘要
The arrangement compares the reference voltages in a test program with an external voltage and corrects the reference voltages for all chips in a wafer using correction information w.r.t. the external voltage to give the target reference voltage value. Test logic (2) on each chip is connected after a voltage comparator (1) in the chip that compares the external voltage (Vvg1) with a reference voltage (Vreftrim) produced and altered by a trimming circuit (4).
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