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STR910FAM32X6 数据表(PDF) 49 Page - STMicroelectronics |
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STR910FAM32X6 数据表(HTML) 49 Page - STMicroelectronics |
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49 / 78 page  STR91xFA Electrical characteristics 49/78 6.2 Operating conditions Table 7. Operating conditions Notes: 1 The VBATT pin should be connected to VDDQ if no battery is installed 2AVREF must never exceed VDDQ 6.2.1 Operating conditions at power-up / power-down Subject to general operating conditions for TA. Symbol Parameter Test Conditions Value Unit Min Max VDD Digital CPU supply voltage 1.65 2.0 V VDDQ Digital I/O supply voltage 2.7 3.6 V VBATT (1) SRAM backup and RTC supply voltage 2.5 3.6 V AVDD Analog ADC supply voltage (128-pin and 144-ball packages) 2.7 VDDQ V AVREF Analog ADC reference voltage (128-pin and 144-ball packages) 2.65 AVDD V AVREF_AVDD Combined analog ADC reference and ADC supply voltage (80-pin package) 2.7 VDDQ V TA Ambient temperature under bias -40 +85 C Table 8. Operating conditions at power-up / power-down Symbol Parameter Conditions Min(1) 1. Data guaranteed by characterization, not tested in production. Typ Max(1) Unit tVDD VDD rise time rate 10 µs/V 10 ms/V |
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