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I2C IO Expanders

TI analog I2C IO Expanders Interface products are a subset of analog I2C solutions. This page is your resource to download datasheets, application notes, order samples and use parametric search to research other Interface-related analog solutions.

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TCA9535 : Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers

TCA9539 : Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers

TCA9555 : Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers

Application Notes   

  • Programming Fun Lights With TI's TCA6507 (scpa043.HTM, 8 KB)
    30 Nov 2007 Abstract
  • Improving System Interrupt Management Using the PCF8574 and PCF8574A I/O Expande (scpa032.HTM, 9 KB)
    27 Jul 2001 Abstract
 

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Low Voltage (8)
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Max Frequency (kHz) I2C Address Vcc range (V) # of I/Os Reset Input
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Part Number  Status  Max Frequency (kHz)  I2C Address  Vcc range (V)  # of I/Os  Low Power  Interrupt Output  Reset Input  Configuration Registers  5V Tolerant I/O  Push–Pull I/O Type  Open–Drain I/O Type  Low Voltage  Pin/Package  Approx. Price (US$)  
Description  
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PCA6107ACTIVE            Yes  Yes            18SOIC1.05 | 1ku  Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers  
PCA9534ACTIVE  400  0100 xxx  2.3 to 5.5  8  Yes  Yes    Yes  Yes  Yes      16QFN
16SOIC
16SSOP
16TSSOP
16TVSOP		0.75 | 1ku  Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers  
PCA9534AACTIVE  400  0111 xxx  2.3 to 5.5  8  Yes  Yes    Yes  Yes  Yes      16QFN
16SOIC
16SSOP
16TSSOP
16TVSOP		0.75 | 1ku  Remote 8-Bit I2C and Low-Power I/O Expander with Interrupt Output and Configuration Registers  
PCA9535ACTIVE  400  0100 xxx  2.3 to 5.5  16  Yes  Yes    Yes  Yes  Yes      24QFN
24SOIC
24SSOP
24SSOP/QSOP
24TSSOP
24TVSOP
24VQFN		1.00 | 1ku  Remote 16-Bit I2C and SMBus, Low-Power I/O Expander With Interrupt Output and Config Registers  
PCA9536ACTIVE  400  1000 001  2.3 to 5.5  4        Yes  Yes  Yes      8DSBGA
8MSOP
8SOIC		0.60 | 1ku  Remote 4-Bit I2C and SMBus I/O Expander with Configuration Registers  
PCA9538ACTIVE  400  1110 0xx  2.3 to 5.5  8  Yes  Yes  Yes  Yes  Yes  Yes      16SOIC
16SSOP
16TSSOP
16TVSOP		1.00 | 1ku  Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers  
PCA9539ACTIVE  400  1110 1xx  2.3 to 5.5  16  Yes  Yes  Yes  Yes  Yes  Yes      24SOIC
24SSOP
24SSOP/QSOP
24TSSOP
24TVSOP
24VQFN		1.10 | 1ku  Remote 16-Bit I2C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers  
PCA9554ACTIVE  400  0100 xxx  2.3 to 5.5  8    Yes    Yes  Yes  Yes      16SOIC
16SSOP
16TSSOP
16TVSOP		0.85 | 1ku  Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers  
PCA9554AACTIVE  400  0111 xxx  2.3 to 5.5  8    Yes    Yes  Yes  Yes      16QFN
16SOIC
16SSOP
16TSSOP
16TVSOP		0.85 | 1ku  Remote 8-Bit I2C and SMBus I/O Expander with Interrupt Output and Configuration Registers  
PCA9555ACTIVE  400  0100 xxx  2.3 to 5.5  16    Yes    Yes  Yes  Yes      24SOIC
24SSOP
24SSOP/QSOP
24TSSOP
24TVSOP
24VQFN		1.20 | 1ku  Remote 16-Bit I2C And SMBus I/O Expander With Interrupt Output And Configuration Registers  
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