PCF2123TS/1.118 NXP Semiconductors, PCF2123TS/1.118 Datasheet - Page 45
![](/photos/31/30/313006/sot402-1_sml.jpg)
PCF2123TS/1.118
Manufacturer Part Number
PCF2123TS/1.118
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2123TS1.118.pdf
(61 pages)
Specifications of PCF2123TS/1.118
Bus Type
Serial (3-Wire, SPI)
Package Type
TSSOP
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Mounting
Surface Mount
Date Format
DW:DM:M:Y
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Compliant
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NXP Semiconductors
13. 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. 03 — 5 October 2010
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. 2010. All rights reserved.
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