PCF8574AP NXP Semiconductors, PCF8574AP Datasheet
PCF8574AP
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PCF8574AP Summary of contents
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DATA SHEET PCF8574 Remote 8-bit I/O expander for 2 I C-bus Product specification Supersedes data of September 1994 File under Integrated Circuits, IC12 INTEGRATED CIRCUITS 1997 Apr 02 ...
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Philips Semiconductors Remote 8-bit I/O expander for I CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING 6 CHARACTERISTICS OF THE I 6.1 Bit transfer 6.2 Start and stop conditions 6.3 System configuration 6.4 Acknowledge ...
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... Latched outputs with high current drive capability for directly driving LEDs Address by 3 hardware address pins for use devices ( with PCF8574A) DIP16, or space-saving SO16 or SSOP20 packages. 3 ORDERING INFORMATION TYPE NUMBER NAME PCF8574P; DIP16 PCF8574AP PCF8574T; SO16 PCF8574AT PCF8574TS SSOP20 1997 Apr 02 2 C-bus 2 GENERAL DESCRIPTION The PCF8574 is a silicon CMOS circuit ...
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Philips Semiconductors Remote 8-bit I/O expander for I 4 BLOCK DIAGRAM handbook, full pagewidth 13 INT SCL 15 SDA 1997 Apr 02 2 C-bus INTERRUPT LOGIC PCF8574 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 5 PINNING PIN SYMBOL DIP16; SO16 INT ...
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Philips Semiconductors Remote 8-bit I/O expander for I 6 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 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 6.4 Acknowledge The number of data bytes transferred between the start and the stop conditions from transmitter to receiver is not limited. Each byte of eight bits is followed by one acknowledge ...
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Philips Semiconductors Remote 8-bit I/O expander for I 7 FUNCTIONAL DESCRIPTION handbook, full pagewidth write pulse data from shift register power-on reset read pulse data to shift register 7.1 Addressing For addressing see Figs 9, 10 and 11. slave address ...
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Philips Semiconductors Remote 8-bit I/O expander for I ndbook, full pagewidth 1997 Apr 02 2 C-bus 9 Product specification PCF8574 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 1997 Apr 02 2 C-bus 10 Product specification PCF8574 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 7.2 Interrupt (see Figs 12 and 13) The PCF8574 provides an open drain output (INT) which can be fed to a corresponding input of the microcontroller. This gives these chips a type ...
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Philips Semiconductors Remote 8-bit I/O expander for I 1997 Apr 02 2 C-bus 12 Product specification PCF8574 pagewidth full handbook, ...
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Philips Semiconductors Remote 8-bit I/O expander for I 8 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL V supply voltage DD V input voltage input current output current O ...
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Philips Semiconductors Remote 8-bit I/O expander for I SYMBOL PARAMETER I/Os V LOW level input voltage IL V HIGH level input voltage IH I maximum allowed input IHL(max) current through protection diode I LOW level output current OL I HIGH ...
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Philips Semiconductors Remote 8-bit I/O expander for C-BUS TIMING CHARACTERISTICS SYMBOL (see Fig.15; note 1) BUS TIMING f SCL clock frequency SCL t tolerable spike width on bus SW t bus free time ...
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Philips Semiconductors Remote 8-bit I/O expander for I 12 PACKAGE OUTLINES DIP16: plastic dual in-line package; 16 leads (300 mil); long body pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions) A ...
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Philips Semiconductors Remote 8-bit I/O expander for I 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 A ...
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Philips Semiconductors Remote 8-bit I/O expander for I SSOP20: plastic shrink small outline package; 20 leads; body width 4 pin 1 index 1 e DIMENSIONS (mm are the original dimensions) A UNIT ...
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Philips Semiconductors Remote 8-bit I/O expander for I 13 SOLDERING 13.1 Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit ...
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Philips Semiconductors Remote 8-bit I/O expander for I 14 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. ...
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Philips Semiconductors Remote 8-bit I/O expander for I 1997 Apr 02 2 C-bus NOTES 21 Product specification PCF8574 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 1997 Apr 02 2 C-bus NOTES 22 Product specification PCF8574 ...
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Philips Semiconductors Remote 8-bit I/O expander for I 1997 Apr 02 2 C-bus NOTES 23 Product specification PCF8574 ...
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Philips Semiconductors – a worldwide company Argentina: see South America Australia: 34 Waterloo Road, NORTH RYDE, NSW 2113, Tel. +61 2 9805 4455, Fax. +61 2 9805 4466 Austria: Computerstr. 6, A-1101 WIEN, P.O. Box 213, Tel. + ...