Datasheet
PCF8523 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 6 — 17 September 2013 55 of 78
NXP Semiconductors
PCF8523
Real-Time Clock (RTC) and calendar
R
1
and C
1
are recommended to limit the Slew Rate (SR, see Table 48) of V
DD
. If V
DD
drops too
fast, the internal supply switch to the battery is not guaranteed.
Fig 38. Application diagram
DDD
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26&,
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