DigiKey Datasheets for IC Bus Interfaces and Controllers

IC bus interfaces and bus controllers or bus masters are interfaces between most standard parallel-bus microcontrollers or microprocessors and the serial bus.
IC Bus Interfaces and Controllers: Learn more

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Product Name Notes
10BASE-T1S SINGLE PAIR ETHERNERT
16-BIT I/O EXPANDER
8-BIT 2.5- TO 5.5-V I2C/SMBUS I/
ETHERNET CONTROLLER, 10 MB/S, SI
I²C Controller I²C Interface 20-HVQFN (5x5)
I²C Controller I²C Interface 20-TSSOP
I²C Controller I²C Interface 48-LQFP (7x7)
I²C Controller Parallel Interface 20-DIP
I²C Controller Parallel Interface 20-HVQFN (5x5)
I²C Controller Parallel Interface 20-SO
I²C Controller Parallel Interface 20-TSSOP
I²C Controller Parallel Interface 48-LQFP (7x7)
I/O Expander 16 (Input Only) SPI Serial 5MHz 24-HWQFN (4x4)
I/O Expander 16 (Input Only) SPI Serial 5MHz 24-SO
I/O Expander 16 (Input Only) SPI Serial 5MHz 24-TSSOP
I/O Expander 16 I²C 100kHz 24-TSSOP
I/O Expander 16 I²C 1MHz 24-DHVQFN (5.5x3.5)
I/O Expander 16 I²C 1MHz 24-HVQFN (4x4)
I/O Expander 16 I²C 1MHz 24-SO
I/O Expander 16 I²C 1MHz 24-SSOP
I/O Expander 16 I²C 1MHz 24-TSSOP
I/O Expander 16 I²C 400kHz 24-DHVQFN (5.5x3.5)
I/O Expander 16 I²C 400kHz 24-HVQFN (4x4)
I/O Expander 16 I²C 400kHz 24-HWQFN (4x4)
I/O Expander 16 I²C 400kHz 24-SO
I/O Expander 16 I²C 400kHz 24-SSOP
I/O Expander 16 I²C 400kHz 24-TSSOP
I/O Expander 16 I²C, SMBus 100kHz 24-QFN (4x4)
I/O Expander 16 I²C, SMBus 100kHz 24-SOIC
I/O Expander 16 I²C, SMBus 100kHz 24-TSSOP
I/O Expander 16 I²C, SMBus 400kHz 24-DIP
I/O Expander 16 I²C, SMBus 400kHz 24-HVQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-HWQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-SO
I/O Expander 16 I²C, SMBus 400kHz 24-SOIC
I/O Expander 16 I²C, SMBus 400kHz 24-SSOP
I/O Expander 16 I²C, SMBus 400kHz 24-TSSOP
I/O Expander 16 I²C, SMBus 400kHz 24-TVSOP
I/O Expander 16 I²C, SMBus 400kHz 24-UFBGA (2x2)
I/O Expander 16 I²C, SMBus 400kHz 24-VFBGA (3x3)
I/O Expander 16 I²C, SMBus 400kHz 24-VQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-WQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-X2QFN (2x2)
I/O Expander 16 I²C, SMBus 400kHz 28-TSSOP
I/O Expander 24 I²C 1MHz 32-HUQFN (5x5)
I/O Expander 24 I²C 1MHz 36-VFBGA (2.6x2.6)
I/O Expander 34 I²C 1MHz 42-VFBGA (2.6x3)
I/O Expander 4 I²C, SMBus 100kHz 8-XQFN (1.6x1.6)
I/O Expander 4 I²C, SMBus 400kHz 10-TSSOP
I/O Expander 4 I²C, SMBus 400kHz 8-DSBGA (1.9x0.9)
I/O Expander 4 I²C, SMBus 400kHz 8-HVSON (3x3)
I/O Expander 4 I²C, SMBus 400kHz 8-SO
I/O Expander 4 I²C, SMBus 400kHz 8-SOIC
I/O Expander 4 I²C, SMBus 400kHz 8-TSSOP
I/O Expander 4 I²C, SMBus 400kHz 8-VSSOP
I/O Expander 40 I²C 1MHz 56-HVQFN (8x8)
I/O Expander 40 I²C 1MHz 56-TSSOP
I/O Expander 40 I²C 400kHz 56-HVQFN (8x8)
I/O Expander 40 I²C 400kHz 56-TSSOP
I/O Expander 8 (Input Only) SPI 5MHz 16-TSSOP
I/O Expander 8 (Input Only) SPI Serial 5MHz 16-TSSOP
I/O Expander 8 I²C 100kHz 16-DIP
I/O Expander 8 I²C 100kHz 16-PDIP
I/O Expander 8 I²C 100kHz 16-SO
I/O Expander 8 I²C 100kHz 16-SOIC
I/O Expander 8 I²C 100kHz 16-TSSOP
I/O Expander 8 I²C 100kHz 16-VQFN (3x3)
I/O Expander 8 I²C 100kHz 20-SSOP
I/O Expander 8 I²C 100kHz 20-TSSOP
I/O Expander 8 I²C 100kHz 20-TVSOP
I/O Expander 8 I²C 100kHz 20-VQFN (3.5x4.5)
I/O Expander 8 I²C 100kHz 24-WQFN (4x4)
I/O Expander 8 I²C 1MHz 12-XQFN (2x1.7)
I/O Expander 8 I²C 1MHz 16-DIP
I/O Expander 8 I²C 1MHz 16-HVQFN (3x3)
I/O Expander 8 I²C 1MHz 16-SO
I/O Expander 8 I²C 1MHz 16-TSSOP
I/O Expander 8 I²C 1MHz 20-SSOP
I/O Expander 8 I²C 400kHz 16-DIP
I/O Expander 8 I²C 400kHz 16-HVQFN (3x3)
I/O Expander 8 I²C 400kHz 16-SO
I/O Expander 8 I²C 400kHz 16-TSSOP
I/O Expander 8 I²C 400kHz 20-SSOP
I/O Expander 8 I²C, SMBus 100kHz 16-TSSOP
I/O Expander 8 I²C, SMBus 1MHz 16-SO
I/O Expander 8 I²C, SMBus 1MHz 16-TSSOP
I/O Expander 8 I²C, SMBus 400kHz 16-DIP
I/O Expander 8 I²C, SMBus 400kHz 16-HVQFN (3x3)
I/O Expander 8 I²C, SMBus 400kHz 16-HVQFN (4x4)
I/O Expander 8 I²C, SMBus 400kHz 16-HXQFNU (2x2)
I/O Expander 8 I²C, SMBus 400kHz 16-SO
I/O Expander 8 I²C, SMBus 400kHz 16-SOIC
I/O Expander 8 I²C, SMBus 400kHz 16-SSOP
I/O Expander 8 I²C, SMBus 400kHz 16-TSSOP
I/O Expander 8 I²C, SMBus 400kHz 16-TVSOP
I/O Expander 8 I²C, SMBus 400kHz 16-VQFN (3x3)
I/O Expander 8 I²C, SMBus 400kHz 16-VQFN (4x3.5)
I/O Expander 8 I²C, SMBus 400kHz 16-VQFN (4x4)
I/O Expander 8 I²C, SMBus 400kHz 16-X2QFN (1.6x1.6)
I/O Expander 8 I²C, SMBus 400kHz 16-XQFN (1.8x2.6)
I/O Expander 8 I²C, SMBus 400kHz 18-SOIC
I/O Expander 8 I²C, SMBus 400kHz 20-HVQFN (5x5)
I/O Expander 8 I²C, SMBus 400kHz 20-SO
I/O Expander 8 I²C, SMBus 400kHz 20-SSOP
I/O Expander 8 I²C, SMBus 400kHz 20-TSSOP
I/O Expander 8 I²C, SPI 400kHz 24-HVQFN (4x4)
I2C
IC CTRL PARALLEL/I2C BUS 20-SOIC
IC CTRL PARALLEL/I2C BUS 20SOIC
IC EXPANDER GPIO 8BIT 16HVQFN
IC I/O EXPANDER I2C 16B 24SOIC
IC I/O EXPANDER I2C 40B 56TSSOP
IC I/O EXPANDER I2C 8B 16SOIC
IC XPND 100KHZ I2C SMBUS 24TSSOP
IC XPND 400KHZ I2C SMBUS 16HVQFN
IC XPND 400KHZ I2C SMBUS 24TSSOP
IC XPNDR 400KHZ I2C 56TSSOP
LOW-VOLTAGE TRANSLATING 14-BIT S
LOW-VOLTAGE TRANSLATING 22-BIT S
PCAL9722HN/Q900
PCAL9722HN
PCI CardBus Controller PC Card 7.1 PCI Interface 208-QFP (28x28)
PCI CardBus Controller PC Card 7.1 PCI Interface 209-BGA MICROSTAR (16x16)
PCI CardBus Controller PC Card 7.1 PCI Interface 209-BGA Microstar Junior (16x16)
PCI CardBus Controller PC Card 7.2 PCI Interface 144-BGA MICROSTAR (12x12)
PCI CardBus Controller PC Card 7.2 PCI Interface 144-LQFP (20x20)
PCI CardBus Controller PC Card 7.2 PCI Interface 144-NFBGA (12x12)
PCI CardBus Controller PCI Interface 144-BGA MICROSTAR (12x12)
PCI CardBus Controller PCI Interface 144-LQFP (20x20)
PCI CardBus Controller PCI Interface 208-QFP (28x28)
PCI CardBus Controller PCI Interface 209-BGA MICROSTAR (16x16)
USB Bridge, USB to SPI USB 2.0 SPI Interface 120-TQFP (14x14)
USB Controller USB 2.0 USB Interface 64-TQFP (10x10)

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