PCF85163T/1,518

PCF85163 Real-time clock and calendar Rev. 2 28 July 2010 Product data sheet 1. General description 1 The PCF85163 is a CMOS 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 2 I C-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 Aat V = 3.0 V and T =25 C DD amb 2 400 kHz two-line I C-bus interface (at V = 1.8 V to 5.5 V) DD Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1Hz) Alarm and timer functions Internal Power-On Reset (POR) 2 I C-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.PCF85163 NXP Semiconductors Real-time clock and calendar 4. Ordering information Table 1. Ordering information Type number Package Name Description Version PCF85163T SO8 plastic small outline package 8 leads SOT96-1 body width 3.9 mm PCF85163TS TSSOP8 plastic thin shrink small outline package SOT505-1 8 leads body width 3 mm 5. Marking Table 2. Marking codes Type number Marking code PCF85163T PF85163 PCF85163TS 85163 PCF85163 All information provided in this document is subject to legal disclaimers. NXP B.V. 2010. All rights reserved. Product data sheet Rev. 2 28 July 2010 2 of 43