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PCF8563 Datasheet(PDF) 18 Page - NXP Semiconductors |
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PCF8563 Datasheet(HTML) 18 Page - NXP Semiconductors |
18 / 32 page ![]() PCF8563_6 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 06 — 21 February 2008 18 of 32 NXP Semiconductors PCF8563 Real-time clock/calendar [1] For reliable oscillator start-up at power-up: VDD(min)power-up =VDD(min) + 0.3 V. [2] Timer source clock = 1 ⁄ 60 Hz, level of pins SCL and SDA is VDD or VSS. [3] Tested on sample basis. IDD supply current interface inactive (fSCL = 0 Hz); CLKOUT enabled at 32 kHz; Tamb =25 °C; see Figure 18 [2] VDD = 5.0 V - 825 1600 nA VDD = 3.0 V - 550 1000 nA VDD = 2.0 V - 425 800 nA interface inactive (fSCL = 0 Hz); CLKOUT enabled at 32 kHz; Tamb = −40 °C to +85 °C; see Figure 18 [2] VDD = 5.0 V - 950 1700 nA VDD = 3.0 V - 650 1100 nA VDD = 2.0 V - 500 900 nA Inputs VIL LOW-level input voltage VSS - 0.3VDD V VIH HIGH-level input voltage 0.7VDD -VDD V ILI input leakage current VI =VDD or VSS −10 +1 µA Ci input capacitance [3] --7 pF Outputs IOL LOW-level output current VOL = 0.4 V; VDD =5V on pin SDA −3 --mA on pin INT −1 --mA on pin CLKOUT −1 --mA IOH HIGH-level output current on pin CLKOUT; VOH = 4.6 V; VDD =5V 1 - - mA ILO output leakage current VO =VDD or VSS −10 +1 µA Voltage detector Vlow low voltage Tamb =25 °C; sets bit VL; see Figure 7 - 0.9 1.0 V Table 27. Static characteristics …continued VDD = 1.8 V to 5.5 V; VSS =0V; Tamb = −40 °C to +85 °C; fosc = 32.768 kHz; quartz Rs =40kΩ; CL = 8 pF; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
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