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PCF85263AT Folha de dados(PDF) 69 Page - NXP Semiconductors

Nome de Peças PCF85263AT
Descrição Electrónicos  Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus
PDF  100 Pages
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Fabricante Electrônico  NXP [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF85263AT Folha de dados(HTML) 69 Page - NXP Semiconductors

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PCF85263A
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet
Rev. 4.1 — 27 November 2015
69 of 100
NXP Semiconductors
PCF85263A
Tiny RTC with alarm, battery switch-over, and I2C-bus
INTA was configured to generate an interrupt when TSR2 loads a new time, hence an
interrupt pulse is seen on INTA.
• At t5, SW1 is opened. No action is taken by the IC.
• At t6, SW1 is open. The internal pull-up is active and the TS pin raises to vdd_int
level. The HIGH level is sampled and causes the stop signal to be released and time
starts counting again.
12. Internal circuitry
13. Safety notes
Fig 37. Device diode protection diagram of PCF85263A
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Observe precautions for handling
electrostatic sensitive devices.
Such precautions are described in the ANSI/ESD S20.20, IEC/ST 61340-5, JESD625-A or
equivalent standards.



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