PCF2123BS/1 NXP Semiconductors, PCF2123BS/1 Datasheet - Page 44
PCF2123BS/1
Manufacturer Part Number
PCF2123BS/1
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2123BS1.pdf
(63 pages)
Specifications of PCF2123BS/1
Lead Free Status / Rohs Status
Compliant
Available stocks
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Price
Company:
Part Number:
PCF2123BS/1
Manufacturer:
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NXP Semiconductors
14. Application information
PCF2123
Product data sheet
Fig 29. Typical application diagram
A 1 farad super capacitor combined with a low V
supply. With the RTC in its minimum power configuration i.e. timer off and CLKOUT off, the RTC
may operate for weeks.
All information provided in this document is subject to legal disclaimers.
supercapacitor
Rev. 5 — 27 April 2011
100 nF
1 F
OSCI
OSCO
V
DD
CLKOE
PCF2123
V
SS
CLKOUT
F
diode can be used as a standby or back-up
INT
SDO
SCL
SDI
CE
SPI Real time clock/calendar
001aai557
PCF2123
© NXP B.V. 2011. All rights reserved.
44 of 63
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