PCF8573TD NXP Semiconductors, PCF8573TD Datasheet
PCF8573TD
Specifications of PCF8573TD
Related parts for PCF8573TD
PCF8573TD Summary of contents
Page 1
DATA SHEET PCF8573 Clock/calendar with serial I/O Product specification Supersedes data of 1997 March 28 INTEGRATED CIRCUITS 2003 Jan 27 ...
Page 2
Philips Semiconductors Clock/calendar with serial I/O CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION 5 BLOCK DIAGRAM 6 PINNING 7 FUNCTIONAL DESCRIPTION 7.1 Oscillator 7.2 Prescaler and time counter 7.3 Alarm register 7.4 Comparator 7.5 ...
Page 3
Philips Semiconductors Clock/calendar with serial I/O 1 FEATURES 2 Serial input/output I C-bus interface for minutes, hours, days and months Additional pulse outputs for seconds and minutes Alarm register for presetting a time for alarm or remote switching functions On-chip ...
Page 4
Philips Semiconductors Clock/calendar with serial I/O 5 BLOCK DIAGRAM handbook, full pagewidth 32.768 kHz 14 OSCO OSCILLATOR 13 OSCI CT 4 SDA SCL LS INPUT FILTER 6 PINNING SYMBOL PIN DESCRIPTION A0 1 address input A1 2 ...
Page 5
Philips Semiconductors Clock/calendar with serial I/O handbook, halfpage COMP 3 SDA 4 PCF8573T SCL 5 EXTPF 6 PFIN 7 V SS2 8 MBL806 Fig.3 Pinning diagram (SO16). 7 FUNCTIONAL DESCRIPTION 7.1 Oscillator The PCF8573 has an ...
Page 6
Philips Semiconductors Clock/calendar with serial I/O Table 1 Cycle length of the time counter UNIT NUMBER OF BITS minutes 7 hours 6 (1) days 6 months 5 Note 1. During February of a leap-year the ‘Time Counter Days’ may be ...
Page 7
Philips Semiconductors Clock/calendar with serial I/O 8 CHARACTERISTICS OF THE I 2 The I C-bus is for 2-way, 2-line communication between different ICs or modules. The two lines are a serial data line (SDA) and a serial clock line (SCL). ...
Page 8
Philips Semiconductors Clock/calendar with serial I/O 8.3 System configuration Refer to Fig.6. A device generating a message is a ‘transmitter’, a device receiving a message is the ‘receiver’. The device that controls the message is the ‘master’ and the devices ...
Page 9
Philips Semiconductors Clock/calendar with serial I C-BUS PROTOCOL 9.1 Addressing Before any data is transmitted on the I always done with the first byte transmitted after the start procedure. The clock/calendar acts as a slave receiver or ...
Page 10
Philips Semiconductors Clock/calendar with serial I/O acknowledge handbook, full pagewidth from slave R/W CLOCK/CALENDAR ADDRESS (1) The master receiver must signal an end of data to the slave transmitter by not generating an acknowledge on the last ...
Page 11
Philips Semiconductors Clock/calendar with serial I/O Table 3 MODE-POINTER-word, CONTROL-nibble (bits and 5) BIT ...
Page 12
Philips Semiconductors Clock/calendar with serial I/O Acknowledgement response of the PCF8573 as slave-receiver is shown in Table 6. Note that data is only associated with the ‘execute address’ function where C0, C1 Table 6 Slave ...
Page 13
Philips Semiconductors Clock/calendar with serial I/O 10 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL V V supply voltage (pin 16 to pin 15) DD SS1 V V supply voltage (pin 16 to pin 8) ...
Page 14
Philips Semiconductors Clock/calendar with serial I CHARACTERISTICS unless otherwise specified. Typical values at T SS2 amb SYMBOL PARAMETER Supply supply voltage (I C interface) ...
Page 15
Philips Semiconductors Clock/calendar with serial I/O SYMBOL PARAMETER Internal threshold voltages V power failure detection TH1 V Power-on reset TH2 handbook, halfpage Fig.12 Typical supply current (I 2003 Jan 27 CONDITIONS 12 I SS1 ( ...
Page 16
Philips Semiconductors Clock/calendar with serial I CHARACTERISTICS +85 C unless otherwise specified. Typical values at T SS2 amb SYMBOL PARAMETER Rise and fall times of input signals t rise time ...
Page 17
Philips Semiconductors Clock/calendar with serial I/O handbook, full pagewidth START PROTOCOL CONDITION (S) t SU;STA t LOW SCL t BUF SDA t HD;STA Fig.13 I 2003 Jan 27 BIT 7 BIT 6 MSB (A6) (A7) t HIGH ...
Page 18
Philips Semiconductors Clock/calendar with serial I/O 14 APPLICATION INFORMATION handbook, full pagewidth 128 R1 EXTPF V DD PFIN detection circuit with very high impedance Fig.14 Application example of the PCF8573 clock/calendar with battery backup. handbook, full pagewidth ...
Page 19
Philips Semiconductors Clock/calendar with serial I/O 15 PACKAGE OUTLINES DIP16: plastic dual in-line package; 16 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions ...
Page 20
Philips Semiconductors Clock/calendar with serial I/O SO16: plastic small outline package; 16 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT ...
Page 21
Philips Semiconductors Clock/calendar with serial I/O 16 SOLDERING 16.1 Introduction This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document ...
Page 22
Philips Semiconductors Clock/calendar with serial I/O 16.4 Suitability of IC packages for wave, reflow and dipping soldering methods MOUNTING Through-hole mount DBS, DIP, HDIP, SDIP, SIL Surface mount BGA, LBGA, LFBGA, SQFP, TFBGA, VFBGA not suitable HBCC, HBGA, HLQFP, HSQFP, ...
Page 23
Philips Semiconductors Clock/calendar with serial I/O 17 DATA SHEET STATUS DATA SHEET PRODUCT LEVEL (1) STATUS STATUS I Objective data Development II Preliminary data Qualification III Product data Production Notes 1. Please consult the most recently issued data sheet before ...
Page 24
Philips Semiconductors Clock/calendar with serial I PURCHASE OF PHILIPS I Purchase of Philips I components in the I Philips. This specification can be ordered using the code 9398 393 40011. 2003 Jan 27 C COMPONENTS 2 C components ...
Page 25
Philips Semiconductors Clock/calendar with serial I/O 2003 Jan 27 NOTES 25 Product specification PCF8573 ...
Page 26
Philips Semiconductors Clock/calendar with serial I/O 2003 Jan 27 NOTES 26 Product specification PCF8573 ...
Page 27
Philips Semiconductors Clock/calendar with serial I/O 2003 Jan 27 NOTES 27 Product specification PCF8573 ...
Page 28
Philips Semiconductors – a worldwide company Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2003 All rights are reserved. Reproduction in whole or in part is prohibited ...