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NXP Semiconductors Electronic Components Datasheet

PCF85163 Datasheet

Real-time clock and calendar

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PCF85163
Real-time clock and calendar
Rev. 2 — 28 July 2010
Product data sheet
1. General description
The PCF85163 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power
consumption. A programmable clock output, interrupt output, and voltage-low detector are
also provided. All addresses and data are transferred serially via a two-line bidirectional
I2C-bus. Maximum bus speed is 400 kbit/s. The register address is incremented
automatically after each written or read data byte.
2. Features and benefits
„ Provides year, month, day, weekday, hours, minutes, and seconds based on a
32.768 kHz quartz crystal
„ Century flag
„ Clock operating voltage: 1.8 V to 5.5 V
„ Low backup current; typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C
„ 400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5 V)
„ Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and
1 Hz)
„ Alarm and timer functions
„ Internal Power-On Reset (POR)
„ I2C-bus slave address: read A3h and write A2h
„ Open-drain interrupt pin
3. Applications
„ Mobile telephones
„ Portable instruments
„ Electronic metering
„ Battery powered products
1. The definition of the abbreviations and acronyms used in this data sheet can be found in Section 18.


NXP Semiconductors Electronic Components Datasheet

PCF85163 Datasheet

Real-time clock and calendar

No Preview Available !

NXP Semiconductors
PCF85163
Real-time clock and calendar
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
PCF85163T
SO8
plastic small outline package; 8 leads;
body width 3.9 mm
PCF85163TS
TSSOP8
plastic thin shrink small outline package;
8 leads; body width 3 mm
5. Marking
Table 2. Marking codes
Type number
PCF85163T
PCF85163TS
Marking code
PF85163
85163
Version
SOT96-1
SOT505-1
PCF85163
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 28 July 2010
© NXP B.V. 2010. All rights reserved.
2 of 43


Part Number PCF85163
Description Real-time clock and calendar
Maker NXP
Total Page 30 Pages
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