Datasheet Texas Instruments PCF8574ADWR — Ficha de datos

FabricanteTexas Instruments
SeriePCF8574A
Numero de partePCF8574ADWR
Datasheet Texas Instruments PCF8574ADWR

Expansor remoto de E / S de 8 bits para I2C-Bus 16-SOIC -40 a 85

Hojas de datos

PCF8574A Remote 8-Bit I/O Expander for I2C Bus datasheet
PDF, 1.3 Mb, Revisión: F, Archivo publicado: nov 16, 2015
Extracto del documento

Precios

Estado

Estado del ciclo de vidaActivo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricante

Embalaje

Pin16
Package TypeDW
Industry STD TermSOIC
JEDEC CodeR-PDSO-G
Package QTY2000
CarrierLARGE T&R
Device MarkingPCF8574A
Width (mm)7.5
Length (mm)10.3
Thickness (mm)2.35
Pitch (mm)1.27
Max Height (mm)2.65
Mechanical DataDescargar

Paramétricos

I2C Address0111 xxx
Max Frequency100 kHz
Number of I/Os8
Operating Temperature Range-40 to 85 C
Package GroupSOIC
RatingCatalog
VCC(Max)6 V
VCC(Min)2.5 V
Voltage Nodes5,3.3 V
fSCLK(Max)0.1 MHz

Plan ecológico

RoHSObediente

Notas de aplicación

  • Improving System Interrupt Management Using the PCF8574 and PCF8574A I/O Expande
    PDF, 216 Kb, Archivo publicado: jul 27, 2001
    In today?s complex, embedded, computing and data-communication systems, interrupts areused extensively to service peripheral devices. However, because of the pin-numberlimitation on packages, most microprocessors have only one or two interrupt lines.Consequently, several devices usually are connected to the same interrupt line. Thedrawback to this configuration is that the overhead process
  • Programming Fun Lights With TI's TCA6507
    PDF, 109 Kb, Archivo publicado: nov 30, 2007
  • Choosing the Correct I2C Device for New Designs
    PDF, 87 Kb, Archivo publicado: sept 7, 2016
    The I2C bus is a very popular and powerful bus used for communication between a single (or multiple)master and a single (or multiple) slave device. In many applications there is a potential need for moreslave devices on the bus, isolation between similar addressed slaves, or a need for more I/Os. Theseneeds can be solved with an I2C buffer, switch, and I/O expander.The application note h
  • Maximum Clock Frequency of I2C Bus Using Repeaters
    PDF, 116 Kb, Archivo publicado: mayo 15, 2015
    TCA9617 Maximum Allowed Frequency on I2C Bus Using Repeaters
  • I2C Bus Pull-Up Resistor Calculation
    PDF, 157 Kb, Archivo publicado: feb 13, 2015
  • Understanding the I2C Bus
    PDF, 124 Kb, Archivo publicado: jun 30, 2015

Linea modelo

Clasificación del fabricante

  • Semiconductors > Interface > I2C > I2C General Purpose I/O (GPIO)
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