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PCF8574AT Datasheet(PDF) 2 Page - NXP Semiconductors |
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PCF8574AT Datasheet(HTML) 2 Page - NXP Semiconductors |
2 / 24 page 1997 Apr 02 2 Philips Semiconductors Product specification Remote 8-bit I/O expander for I2C-bus PCF8574 CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING 6 CHARACTERISTICS OF THE I2C-BUS 6.1 Bit transfer 6.2 Start and stop conditions 6.3 System configuration 6.4 Acknowledge 7 FUNCTIONAL DESCRIPTION 7.1 Addressing 7.2 Interrupt 7.3 Quasi-bidirectional I/Os 8 LIMITING VALUES 9 HANDLING 10 DC CHARACTERISTICS 11 I2C-BUS TIMING CHARACTERISTICS 12 PACKAGE OUTLINES 13 SOLDERING 13.1 Introduction 13.2 DIP 13.2.1 Soldering by dipping or by wave 13.2.2 Repairing soldered joints 13.3 SO and SSOP 13.3.1 Reflow soldering 13.3.2 Wave soldering 13.3.3 Repairing soldered joints 14 DEFINITIONS 15 LIFE SUPPORT APPLICATIONS 16 PURCHASE OF PHILIPS I2C COMPONENTS |
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