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
8-BIT 2.5- TO 5.5-V I2C/SMBUS I/
Controller PCI Interface 144-BGA MICROSTAR (12x12)
Controller PCI Interface 144-LQFP (20x20)
I²C Controller I²C Interface 20-HVQFN (5x5)
I²C Controller I²C Interface 20-TSSOP
I²C Controller I²C Interface 48-LQFP (7x7)
I²C Controller IEEE 1149.1 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 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-HVQFN (4x4)
I/O Expander 16 I²C 400kHz 24-HWQFN (4x4)
I/O Expander 16 I²C 400kHz 24-SSOP
I/O Expander 16 I²C 400kHz 24-TQFN (4x4)
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-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 100kHz W-QFN4565-46 (SWP)
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 4 SMBus 1MHz 8-MSOP
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 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 16-UQFN (1.8x2.6)
I/O Expander 8 I²C 1MHz 20-SSOP
I/O Expander 8 I²C 400kHz 16-HVQFN (3x3)
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 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)
I/O Expander 8 SMBus 400kHz 16-TSSOP
I/O Expander I²C 1MHz 8-MSOP-EP
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 I/O EXPANDER I2C 8B 16TSSOP
IC I/O EXPANDER I2C 8B 20SOIC
IC XPND 400KHZ I2C SMBUS 16HVQFN
IC XPND 400KHZ I2C SMBUS 24TSSOP
IC XPNDR 1MHZ I2C 10MSOP
IC XPNDR 400KHZ I2C 24TSSOP
IC XPNDR 400KHZ I2C 56TSSOP
IC XPNDR 400KHZ SMBUS 16TSSOP
INTERFACE IO EXPANDER TSSOP-24 T
INTERFACE IO EXPANDER V-QFN4040-
INTERFACE IO EXPANDER W-QFN5050-
LOW-VOLTAGE TRANSLATING 14-BIT S
LOW-VOLTAGE TRANSLATING 22-BIT S
PCAL9722HN/Q900
PCAL9722HN
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, Firewire™, i.Link™ PCI Interface 208-QFP (28x28)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, Firewire™, i.Link™ PCI Interface 209-BGA MICROSTAR (16x16)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, Firewire™, i.Link™ PCI Interface 216-BGA MICROSTAR (16x16)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™ PCI Interface 208-QFP (28x28)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™ PCI Interface 209-BGA MICROSTAR (16x16)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™ PCI Interface 209-BGA Microstar Junior (16x16)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™ PCI Interface 288-BGA Microstar (16x16)
PCI CardBus Controller IEEE 1394-1995, 1394a-2000, OHCI, Firewire™, i.Link™ PCI Interface 288-NFBGA (16x16)
PCI CardBus Controller IEEE 1394-1995, OHCI PCI Interface 208-QFP (28x28)
PCI CardBus Controller IEEE 1394a-2000, OHCI PCI Interface 288-BGA Microstar (16x16)
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 7.1 PCI Interface 209-NFBGA (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 PC Card 8.0 PCI Interface 208-QFP (28x28)
PCI CardBus Controller PC Card 8.0 PCI Interface 209-BGA MICROSTAR (16x16)
PCI CardBus Controller PC Card 8.0 PCI Interface 209-BGA Microstar Junior (16x16)
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)
PCI CardBus Controller PCI Interface 256-BGA (27x27)
PCI CardBus Controller PCI Interface 257-BGA MICROSTAR (16x16)

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