PCF8573P NXP Semiconductors, PCF8573P Datasheet
PCF8573P
Specifications of PCF8573P
Available stocks
Related parts for PCF8573P
PCF8573P 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
... SS2 f crystal oscillator frequency osc 4 ORDERING INFORMATION TYPE NUMBER NAME PCF8573P DIP16 PCF8573T SO16 2003 Jan 27 The IC incorporates an addressable time counter and an addressable alarm register for minutes, hours, days and months. Three special control/status flags, COMP, POWF and NODA, are also available. Back-up for the clock during supply interruptions is provided ...
Page 4
... Product specification V DD SEC MIN POWER-ON LS RESET TIME COUNTER DAYS MONTHS HOURS DATE COMPARATOR LS ALARM REGISTER LS PCF8573 COMP 3 14 SDA 4 13 PCF8573P SCL 5 12 EXTPF 6 11 PFIN SS2 8 9 MBL805 Fig.2 Pinning diagram (DIP16). PCF8573 1 SS2 6 EXTPF 7 PFIN 3 COMP 12 TEST MBL804 SS1 ...
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 ...