pcf2123 NXP Semiconductors, pcf2123 Datasheet - Page 7
pcf2123
Manufacturer Part Number
pcf2123
Description
Spi Real Time Clock/calendar
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2123.pdf
(54 pages)
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NXP Semiconductors
PCF2123_1
Product data sheet
9.1.1 Power consumption with respect to quartz series resistance
The series resistance acts as a loss element. Low R
further.
Fig 6.
(1) I
I
DD
(nA)
250
210
170
130
(1)
90
50
Configuration: CLKOUT disabled, V
I
DD
DD
0
(nA) minimum power mode.
with respect to quartz R
Rev. 01 — 19 November 2008
20
S
40
DD
= 3 V, timer clock set to
60
s
will reduce current consumption
SPI Real time clock/calendar
1
60
Hz.
80
Rs
(2)
PCF2123
© NXP B.V. 2008. All rights reserved.
001aai558
(k )
100
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