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PCF85363ATL/A bảng dữ liệu(PDF) 41 Page - NXP Semiconductors

tên linh kiện PCF85363ATL/A
Giải thích chi tiết về linh kiện  Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over time stamp input, and I2C-bus
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PCF85363ATL/A bảng dữ liệu(HTML) 41 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
Due to the nature of the power switch circuit there is a switching hysteresis (see
Figure 22 and Table 67).
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 22. 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 23. Switching at 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
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