Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsInterface ICsInterface IC - I/O extensions POR I²C, SMBus 400 kHz SSOP 24

FEATURES

DB, DBQ, DGV, DW, OR PW PACKAGE

(TOP VIEW)

INT

P00

P01

P02

P03

P04

P05

P06

P07

GND

SDA

SCL

P17

P16

P15

P14

P13

P12

P11

P10

24 23 22 21 20

7 8 9 10 11

RGE PACKAGE

(TOP VIEW)

INT

P10

P11 SDA

P06

P07

GND

SCL

P12

P00

P01

P02

P03

P04

P05

P17

P16

P15

P14

P13

DESCRIPTION/ORDERING INFORMATION

PCF8575C

REMOTE 16-BIT I

C AND SMBus LOW-POWER I/O EXPANDER

WITH INTERRUPT OUTPUT

SCPS123E – MARCH 2005 – REVISED OCTOBER 2007

www.ti.com

• Low Standby-Current Consumption of • Latched Outputs With High-Current Drive

10 μ A Maximum Capability for Directly Driving LEDs

• I

C to Parallel-Port Expander • Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

• Open-Drain Interrupt Output

• ESD Protection Exceeds JESD 22

• Compatible With Most Microcontrollers

– 2000-V Human-Body Model (A114-A)

• 400-kHz Fast I

C Bus

– 200-V Machine Model (A115-A)

• Address by Three Hardware Address Pins for

Use of up to Eight Devices – 1000-V Charged-Device Model (C101)

This 16-bit I/O expander for the two-line bidirectional bus (I

C) is designed for 4.5-V to 5.5-V V

operation.

ORDERING INFORMATION

PACKAGE

(1) (2)

ORDERABLE PART NUMBER TOP-SIDE MARKING

QSOP – DBQ Reel of 2500 PCF8575CDBQR PCF8575C

TVSOP – DGV Reel of 2000 PCF8575CDGVR PF575C

Tube of 25 PCF8575CDW

SOIC – DW PCF8575C

Reel of 2000 PCF8575CDWR

Tube of 60 PCF8575CDB

– 40 ° C to 85 ° C SSOP – DB PF575C

Reel of 2000 PCF8575CDBR

Tube of 60 PCF8575CPW

TSSOP – PW Reel of 1200 PCF8575CPWR PF575C

Reel of 250 PCF8575CPWT

QFN – RGE Reel of 3000 PCF8575CRGER PF575C

(1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging .

(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI

website at www.ti.com .

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (29 pages)

PAGE 1
PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.
PAGE 2
PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 www.ti.com DESCRIPTION/ORDERING INFORMATION (CONTINUED) The PCF8575C provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface serial clock (SCL) and serial data (SDA).
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PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 TERMINAL FUNCTIONS NO. NAME FUNCTION DB, DBQ, DGV, DW, AND PW RGE 1 22 INT Interrupt output. Connect to VCC through a pullup resistor. 2 23 A1 Address input 1. Connect directly to VCC or ground. Pullup resistors are not needed. 3 24 A2 Address input 2. Connect directly to VCC or ground. Pullup resistors are not needed. 4 1 P00 P-port input/output.
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PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 LOGIC DIAGRAM (POSITIVE LOGIC)(A) INT A0 A1 A2 SCL SDA PCF8575C 1 Interrupt Logic LP Filter 21 2 P07−P00 3 22 23 I2C Bus Control Input Filter Shift Register I/O Port 16 Bits P17−P10 Write Pulse VCC GND A. Read Pulse 24 12 Power-On Reset Pin numbers shown are for the DB, DBQ, DGV, DW, and PW packages.
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PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 I2C Interface The bidirectional I2C bus consists of the serial clock (SCL) and serial data (SDA) lines. Both lines must be connected to a positive supply via a pullup resistor when connected to the output stages of a device. Data transfer may be initiated only when the bus is not busy.
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PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 SDA SCL Data Line Stable; Data Valid Change of Data Allowed Figure 2. Bit Transfer Data Output by Transmitter NACK Data Output by Receiver ACK SCL from Master 1 2 8 9 S Clock Pulse for Acknowledgment Start Condition Figure 3.
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PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 Figure 4 and Figure 5 show the address and timing diagrams for the write and read modes, respectively.
PAGE 8
PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.
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PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK Input diode clamp voltage TEST CONDITIONS II = –18 mA VPOR Power-on reset voltage (2) VI = VCC or GND, IOHT P-port transient pullup current High during ACK VOH = GND SDA VOL = 0.4 V IO = 0 VCC MIN 4.5 V to 5.5 V –1.2 VPOR 4.5 V to 5.
PAGE 10
PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.
PAGE 11
PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 TYPICAL OPERATING CHARACTERISTICS TA = 25°C (unless otherwise noted) 100 SCL = VCC All I/Os unloaded 8 Supply Current (µA) 60 50 40 30 6 VCC = 5 V 5 4 3 60 50 40 30 20 20 10 1 10 0 0 −25 0 25 50 75 Temperature (°C) 100 125 0 −50 −25 0 25 50 75 Temperature (°C) 2.0 100 125 2.5 3.5 4.0 4.5 5.0 5.5 I/O High Voltage vs Temperature 400 50 3.
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PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 PARAMETER MEASUREMENT INFORMATION VCC RL = 1 kΩ DUT SDA CL = 50 pF SDA LOAD CONFIGURATION 3 Bytes for Complete Device Programming Stop Condition (P) Start Address Address Condition Bit 7 Bit 6 (S) (MSB) Address Bit 1 tscl R/W Bit 0 (LSB) ACK (A) Data Bit 07 (MSB) Data Bit 10 (LSB) Stop Condition (P) tsch 0.7 × VCC SCL 0.
PAGE 13
PCF8575C REMOTE 16-BIT I C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT 2 www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 PARAMETER MEASUREMENT INFORMATION (continued) VCC RL = 4.
PAGE 14
PCF8575C REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT www.ti.com SCPS123E – MARCH 2005 – REVISED OCTOBER 2007 PARAMETER MEASUREMENT INFORMATION (continued) VCC VCC RL = 1 kΩ DUT RL = 4.7 kΩ SDA DUT INT DUT CL = 50 pF Pn CL = 100 pF GND CL = 100 pF GND SDA LOAD CONFIGURATION SCL GND INTERRUPT LOAD CONFIGURATION P-PORT LOAD CONFIGURATION 0.7 × VCC P00 A P17 0.
PAGE 15
PACKAGE OPTION ADDENDUM www.ti.
PAGE 16
PACKAGE OPTION ADDENDUM www.ti.
PAGE 17
PACKAGE OPTION ADDENDUM www.ti.com 16-Aug-2012 Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties.
PAGE 18
PACKAGE MATERIALS INFORMATION www.ti.com 16-Aug-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device PCF8575CDBQR Package Package Pins Type Drawing SSOP SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant DBQ 24 2500 330.0 16.4 6.5 9.0 2.1 8.0 16.0 Q1 PCF8575CDBR SSOP DB 24 2000 330.0 16.4 8.2 8.8 2.5 12.0 16.0 Q1 PCF8575CDGVR TVSOP DGV 24 2000 330.0 12.4 6.9 5.6 1.6 8.0 12.
PAGE 19
PACKAGE MATERIALS INFORMATION www.ti.com 16-Aug-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) PCF8575CDBQR SSOP DBQ 24 2500 367.0 367.0 38.0 PCF8575CDBR SSOP DB 24 2000 367.0 367.0 38.0 PCF8575CDGVR TVSOP DGV 24 2000 367.0 367.0 35.0 PCF8575CDWR SOIC DW 24 2000 367.0 367.0 45.0 PCF8575CPWR TSSOP PW 24 2000 367.0 367.0 38.0 PCF8575CRGER VQFN RGE 24 3000 367.0 367.0 35.
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MECHANICAL DATA MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 28 PINS SHOWN 0,38 0,22 0,65 28 0,15 M 15 0,25 0,09 8,20 7,40 5,60 5,00 Gage Plane 1 14 0,25 A 0°–ā8° 0,95 0,55 Seating Plane 2,00 MAX 0,10 0,05 MIN PINS ** 14 16 20 24 28 30 38 A MAX 6,50 6,50 7,50 8,50 10,50 10,50 12,90 A MIN 5,90 5,90 6,90 7,90 9,90 9,90 12,30 DIM 4040065 /E 12/01 NOTES: A. B. C. D. All linear dimensions are in millimeters.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.