I/O Expanders

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Part Details Brand Recently Introduced Number of I/O Channels Interface Number of Pins Package Type Clock Frequency Mounting Type Maximum Supply Voltage Minimum Supply Voltage
Texas Instruments TCA9538DBR, 8-channel I/O Expander 100 (Standard) kHz, 400 (Fast) kHz, I2C, Parallel, 16-Pin SSOP Texas Instruments new products only 8 I2C, Parallel 16 SSOP 100 (Standard) kHz, 400 (Fast) kHz Surface Mount 5.5 V 1.65 V
Texas Instruments TCA9554ADBR, 8-channel I/O Expander 100 (Standard) kHz, 400 (Fast) kHz, I2C, Parallel, 16-Pin SSOP Texas Instruments new products only 8 I2C, Parallel 16 SSOP 100 (Standard) kHz, 400 (Fast) kHz Surface Mount 5.5 V 1.65 V
Texas Instruments TCA9554DBQR, 8-channel I/O Expander 100 (Standard) kHz, 400 (Fast) kHz, I2C, Parallel, 16-Pin SSOP Texas Instruments new products only 8 I2C, Parallel 16 SSOP 100 (Standard) kHz, 400 (Fast) kHz Surface Mount 5.5 V 1.65 V
NXP PCA9518PW,112 I/O Expander TSSOP
  • RS Stock No. 727-5670
  • Brand NXP
  • Mfr. Part No. PCA9518PW,112
NXP - - - - TSSOP - Surface Mount - -
NXP PCA9536DP,118, 4-channel I/O Expander 400kHz, 8-Pin TSSOP
  • RS Stock No. 510-914
  • Brand NXP
  • Mfr. Part No. PCA9536DP,118
NXP - 4 - 8 TSSOP 400kHz Surface Mount 5.5 V 2.3 V
I2C & SMBus GPIO Expanders 16Pin SO Tube
  • RS Stock No. 727-5661
  • Brand NXP
  • Mfr. Part No. PCA9554AD,112
NXP - - - - SOIC - Surface Mount - -
NXP PCF8574T/3,512, 8-channel I/O Expander 100kHz, I2C, 16-Pin SOIC
  • RS Stock No. 510-780
  • Brand NXP
  • Mfr. Part No. PCF8574T/3,512
NXP - 8 I2C 16 SOIC 100kHz Surface Mount 5.5 V 2.3 V
Microchip MCP23008-E/SO, 8-channel I/O Expander 5MHz, I2C, Serial MHz, 18-Pin SOIC Microchip - 8 I2C, Serial MHz 18 SOIC 5MHz Surface Mount - -
NXP PCA8575BS,118 I/O Expander, 24-Pin HVQFN
  • RS Stock No. 510-807
  • Brand NXP
  • Mfr. Part No. PCA8575BS,118
NXP - - - 24 HVQFN - Surface Mount - -
Microchip MCP23S17-E/SS, 16-channel I/O Expander 5MHz, Serial-SPI, 28-Pin SSOP Microchip - 16 Serial-SPI 28 SSOP 5MHz Surface Mount - -
Microchip MCP23008-E/P, 8-channel I/O Expander 5MHz, I2C, Serial MHz, 18-Pin PDIP Microchip - 8 I2C, Serial MHz 18 PDIP 5MHz Through Hole - -
Texas Instruments PCF8574APW I/O Expander, 20-Pin TSSOP Texas Instruments - - - 20 TSSOP - Surface Mount - -
Texas Instruments PCF8574AN, 8-channel I/O Expander 100kHz, I2C, SMBus, 16-Pin PDIP Texas Instruments - 8 I2C, SMBus 16 PDIP 100kHz Through Hole - -
Microchip MCP23017-E/SS I/O Expander 1.7MHz, I2C, 28-Pin SSOP Microchip - - I2C 28 SSOP 1.7MHz Surface Mount - -
Microchip MCP23S17-E/SO, 16-channel I/O Expander 5MHz, Serial-SPI, 28-Pin SOIC Microchip - 16 Serial-SPI 28 SOIC 5MHz Surface Mount - -
NXP PCA8574AD,512 I/O Expander, 16-Pin SOIC
  • RS Stock No. 510-948
  • Brand NXP
  • Mfr. Part No. PCA8574AD,512
NXP - - - 16 SOIC - Surface Mount - -
NXP PCA9557PW,112 I/O Expander, 16-Pin TSSOP
  • RS Stock No. 483-7244
  • Brand NXP
  • Mfr. Part No. PCA9557PW,112
NXP - - - 16 TSSOP - Surface Mount - -
Microchip MCP23S17-E/SP, 16-channel I/O Expander 10MHz, SPI, 28-Pin PDIP Microchip - 16 SPI 28 PDIP 10MHz Through Hole 5.5 V 1.8 V
Microchip MCP23017-E/SO, 16-channel I/O Expander 5MHz, I2C, Serial MHz, 28-Pin SOIC Microchip - 16 I2C, Serial MHz 28 SOIC 5MHz Surface Mount - -
NXP PCF8574AT/3,512, 8-channel I/O Expander 100kHz, I2C, 16-Pin SOIC
  • RS Stock No. 727-5642
  • Brand NXP
  • Mfr. Part No. PCF8574AT/3,512
NXP - 8 I2C 16 SOIC 100kHz Surface Mount 5.5 V 2.3 V
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