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PCF8564AU/5GB/1 数据表(PDF) 28 Page - NXP Semiconductors |
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PCF8564AU/5GB/1 数据表(HTML) 28 Page - NXP Semiconductors |
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28 / 44 page ![]() PCF8564A_1 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 1 — 8 October 2009 28 of 44 NXP Semiconductors PCF8564A Real time clock and calendar Tamb =25 °C; timer = 1 minute; CLKOUT disabled. Tamb =25 °C; timer = 1 minute; CLKOUT = 32 kHz. Fig 21. IDD as a function of VDD Fig 22. IDD as a function of VDD VDD = 3 V; timer = 1 minute; CLKOUT = 32 kHz. Tamb =25 °C; normalized to VDD =3V. Fig 23. IDD as a function of T Fig 24. Frequency deviation as a function of VDD 02 6 mgr888 4 VDD (V) 1 0 0.4 0.2 0.8 0.6 IDD ( µA) 02 6 mgr889 4 VDD (V) 1 0 0.4 0.2 0.8 0.6 IDD ( µA) −40 0 40 120 mgr890 80 T ( °C) 1 0 0.4 0.2 0.8 0.6 IDD ( µA) 02 6 4 2 −4 −2 0 mgr891 4 VDD (V) frequency deviation (ppm) |
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