PCF8573

INTEGRATED CIRCUITS DATA SHEET PCF8573 Clock/calendar with Power Fail Detector Product specification Supersedes data of May 1989 File under Integrated Circuits, IC12 1997 Mar 28 Philips Semiconductors Product specification Clock/calendar with Power Fail Detector CONTENTS FEATURES 2 3 4 5 6 7 7.1 7.2 7.3 7.4 7.5 7.6 8 8.1 8.2 8.3 8.4 9 9.1 9.2 10 11 12 13 14 15 16 16.1 16.2 16.2.1 16.2.2 16.3 16.3.1 16.3.2 16.3.3 17 18 19 GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING FUNCTIONAL DESCRIPTION Oscillator Prescaler and time counter Alarm register Comparator Power on/power fail detection Interface level shifters CHARACTERISTICS OF THE I2C-BUS Bit transfer Start and stop conditions System configuration Acknowledge I2C-BUS PROTOCOL Addressing Clock/calendar READ/WRITE cycles LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS APPLICATION INFORMATION PACKAGE OUTLINES SOLDERING Introduction DIP Soldering by dipping or by wave Repairing soldered joints SO Reflow soldering Wave soldering Repairing soldered joints DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS PCF8573 1997 Mar 28 2 Philips Semiconductors Product specification Clock/calendar with Power Fail Detector 1 FEATURES I2C-bus interface for minutes, hours, 2 GENERAL DESCRIPTION PCF8573 Serial input/output days and months Additional pulse outputs for seconds and minutes Alarm register for presetting a time for alarm or remote switching functio...