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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCF8593 датащи(PDF) 20 Page - NXP Semiconductors |
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PCF8593 датащи(HTML) 20 Page - NXP Semiconductors |
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20 / 28 page  1997 Mar 25 20 Philips Semiconductors Product specification Low power clock/calendar PCF8593 Notes 1. Typical values measured at Tamb =25 °C. 2. When powering up the device, VDD must exceed the specified minimum value by 300 mV to guarantee correct start-up of the oscillator. 3. Event counter mode: supply current dependent upon input frequency. 4. Tested on sample basis. Ci input capacitance note 4 −− 7pF OSCI and RESET ILI input leakage current Vl =VDD or VSS −250 − +250 nA INT IOL LOW level output current VOL = 0.4 V 1 −− mA ILI input leakage current Vl =VDD or VSS −1 − +1 µA SCL Ci input capacitance note 4 −− 7pF ILI input leakage current VI =VDD or VSS −1 − +1 µA SYMBOL PARAMETER CONDITIONS MIN. TYP.(1) MAX. UNIT Fig.21 Typical supply current in clock mode as a function of supply voltage. handbook, halfpage 0 12 8 4 0 246 MBD826 IDDO ( µA) VDD (V) fSCL = 32 kHz; Tamb =25 °C. |
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