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I/O Expanders
16 Products

ImagePart NumberManufacturerDescriptionAvailabilityActions
IC XPNDR 400KHZ I2C SMBUS 16SO
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PCA9500D,118NXP SemiconductorsIC XPNDR 400KHZ I2C SMBUS 16SO
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IC XPNDR 1MHZ I2C 16TSSOP
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PCA9674APW,112NXP SemiconductorsIC XPNDR 1MHZ I2C 16TSSOP
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Remote 8-bit I\/O expander for F
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PCA9670PW,112NXP SemiconductorsRemote 8-bit I\/O expander for F
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IC XPND 400KHZ I2C SMBUS 16TSSOP
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PCA9534PW,112NXP SemiconductorsIC XPND 400KHZ I2C SMBUS 16TSSOP
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IC XPNDR 400KHZ I2C SMBUS 16SO
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PCA9500D,112NXP SemiconductorsIC XPNDR 400KHZ I2C SMBUS 16SO
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IC XPND 400KHZ I2C SMBUS 16TSSOP
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PCA9554PW/DG,118NXP SemiconductorsIC XPND 400KHZ I2C SMBUS 16TSSOP
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IC XPNDR 1MHZ I2C 24SO
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PCA9673D,118NXP SemiconductorsIC XPNDR 1MHZ I2C 24SO
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IC XPNDR 400KHZ I2C SMBUS 16SO
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PCA9554AD,112NXP SemiconductorsIC XPNDR 400KHZ I2C SMBUS 16SO
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IC XPND 400KHZ I2C SMBUS 16TSSOP
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PCA9538PW,112NXP SemiconductorsIC XPND 400KHZ I2C SMBUS 16TSSOP
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IC XPNDR 400KHZ I2C SMBUS 16SSOP
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PCA9554ADB,112NXP SemiconductorsIC XPNDR 400KHZ I2C SMBUS 16SSOP
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IC XPND 400KHZ I2C SMBUS 16TSSOP
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PCA9574PW,112NXP SemiconductorsIC XPND 400KHZ I2C SMBUS 16TSSOP
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IC XPNDR 1MHZ I2C SMBUS 16HVQFN
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PCA9672BS,118NXP SemiconductorsIC XPNDR 1MHZ I2C SMBUS 16HVQFN
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IC XPND 400KHZ I2C SMBUS 20TSSOP
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PCA9501PW,112NXP SemiconductorsIC XPND 400KHZ I2C SMBUS 20TSSOP
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PCA9675PW - Remote 16-Bit I/O Ex
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PCA9675PW,118NXP SemiconductorsPCA9675PW - Remote 16-Bit I/O Ex
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IC XPNDR 1MHZ I2C 24SO
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PCA9673D,112NXP SemiconductorsIC XPNDR 1MHZ I2C 24SO
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PCAL9538A - LOW-VOLTAGE 8-BIT I2
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PCAL9538APWJNXP SemiconductorsPCAL9538A - LOW-VOLTAGE 8-BIT I2
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Devices in this family are used in conjunction with microcontrollers, microprocessors, or similar devices for the purpose of increasing the number of signal connections available for connecting peripheral devices. The typical concept of operation involves the use of serial communications requiring only a few I/O lines on the host device to read/write the status of many input/output pins on the expander device. The technique exchanges speed of communication for increased connectivity, and is best suited for applications where fast response is not critical, such as in many human interface applications.