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PCF85263ATL/A 数据表(PDF) 45 Page - NXP Semiconductors

部件名 PCF85263ATL/A
功能描述  Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus
PDF  102 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF85263ATL/A 数据表(HTML) 45 Page - NXP Semiconductors

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NXP Semiconductors
PCF85263A
Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus
VDD increasing
VDD decreasing
switching point
hysteresis
VDD
t
battery operation
switch to battery
switch to VDD
VDD operation
VDD operation
Vth(low)
Vth(high)
max
typ
min
RTC power
supply
aaa-010665
Figure 24. Threshold voltage switching hysteresis
7.11.3.1 Switching at the Vth level, BSM[1:0] = 00
aaa-010423
internal power supply
cleared via interface
BSF
Vth
VDD (= 0 V)
VBAT
VDD
INTA
battery mode indication
interface active
interface inactive
interface active
I2C
Figure 25. Switching at Vth
PCF85263A
All information provided in this document is subject to legal disclaimers.
© 2025 NXP B.V. All rights reserved.
Product data sheet
Rev. 5.4 — 12 December 2025
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