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PCF2123TS Datasheet(PDF) 7 Page - NXP Semiconductors

No. de pieza PCF2123TS
Descripción Electrónicos  SPI Real time clock/calendar
PDF  54 Pages
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Fabricante Electrónico  NXP [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF2123TS Datasheet(HTML) 7 Page - NXP Semiconductors

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PCF2123_1
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 19 November 2008
7 of 54
NXP Semiconductors
PCF2123
SPI Real time clock/calendar
9.1.1 Power consumption with respect to quartz series resistance
The series resistance acts as a loss element. Low Rs will reduce current consumption
further.
Configuration: CLKOUT disabled, VDD = 3 V, timer clock set to 1⁄60 Hz.
(1) IDD (nA) minimum power mode.
Fig 6.
IDD with respect to quartz RS
Rs(2) (k
Ω)
0
100
80
40
60
20
001aai558
130
170
90
210
250
IDD(1)
(nA)
50



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