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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STPMC1 датащи(PDF) 14 Page - STMicroelectronics |
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STPMC1 датащи(HTML) 14 Page - STMicroelectronics |
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14 / 77 page  Electrical characteristics STPMC1 14/77 Doc ID 15728 Rev 6 Note: Typical value, not production tested. Symbol Parameter Test conditions Min. Typ. Max. Unit Crystal oscillator VIH Input high voltage 1.2 V VIL Input low voltage 0.6 V Iin Input current on XTAL2 VCC =5.3V -1 +1 µA Rp External resistor 1 4 M Ω Cp External capacitors 22 pF fXTAL1 Nominal output frequency 4.000 4.194 4.915 MHz 8.000 8.192 9.830 fMCLK Internal clock frequency see Table 10 8.000 8.192 9.830 MHz fCLK Output CLK pin frequency HSA = 0 fXTAL1/4 MHz HSA = 1 fXTAL1/2 SPI interface timing FSCLKr Data read speed TA= 25°C 32 MHz FSCLKw Data write speed TA= 25°C 100 kHz tDS Data setup time 20 ns tDH Data hold time 0 ns tON Data driver on time 20 ns tOFF Data driver off time 20 ns tSYN SYN active width 2/fXTAL1 s Table 7. Electrical characteristics (continued) |
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