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STPM10 数据表(PDF) 12 Page - STMicroelectronics |
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STPM10 数据表(HTML) 12 Page - STMicroelectronics |
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12 / 47 page ![]() Electrical characteristics STPM10 12/47 DocID17728 Rev 5 Symbol Parameter Test conditions Min. Typ. Max. Unit IUP Pull-up current 15 μA tTR Transition time CLOAD = 50 pF 10 ns Crystal oscillator II Input current on CLKIN 1 μA RP External resistor 1 4 MΩ Cp External capacitors 22 pF fCLK Nominal output frequency 4.00 4.194 MHz 8.00 8.192 ICLKIN Settling current fCLK = 4 MHz 40 60 μA RSET Settling resistor 12 kΩ tJIT Frequency jitter 1 ns On-chip reference voltage VREF Reference voltage 1.23 V Reference accuracy ±1 % TC Temperature coefficient After calibration 30 50 ppm/°C SPI interface timing FSCLKr Data read speed After calibration 32 MHz FSCLKw Data write speed 100 MHz tDS Data set-up time 20 ns tDH Data hold time 0 ns tON Data driver on time 20 tOFF Data driver off time 20 tSYN SYN active width 2/fCLK s |
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