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PCF85363ATL/A Datasheet(PDF) 43 Page - NXP Semiconductors

No. de pieza PCF85363ATL/A
Descripción Electrónicos  Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over time stamp input, and I2C-bus
PDF  86 Pages
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Fabricante Electrónico  NXP [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF85363ATL/A Datasheet(HTML) 43 Page - NXP Semiconductors

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NXP Semiconductors
PCF85363A
Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over time stamp input,
and I2C-bus
aaa-010426
internal power supply
cleared via interface
BSF
Vth = 1.5 V
VDD (= 0 V)
VBAT = 1.2 V
VDD
INTA
battery mode indication
interface active
interface inactive
interface active
I2C
Figure 25. Switching at the higher of VBAT or Vth
7.11.3.4 Switching at the lower of VBAT and Vth level, BSM[1:0] = 11
With this mode switching takes place when VDD falls below the lower of Vth or VBAT.
In Figure 26, an example is given where the threshold is set to 1.5 V and a single cell
battery is connected to VBAT. In this example, switching to the battery voltage takes
place when VDD falls below VBAT.
aaa-010429
internal power supply
cleared via interface
BSF
Vth = 1.5 V
VDD (= 0 V)
VBAT = 1.2 V
VDD
INTA
battery mode indication
interface active
interface inactive
interface active
I2C
Figure 26. Switching at the lower of VBAT or Vth
PCF85363A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 3.1 — 18 June 2021
43 / 86



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