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
16-BIT I2C-BUS I/O PORT WITH INT
16-BIT I2C-BUS I/O PORT
ANALOG & LOGIC
CAN Controller CAN 2.0 SPI Interface 14-SOIC
CAN Controller CAN 2.0 SPI Interface 14-VDFN (4.5x3)
CANbus Controller CAN 2.0 SPI Interface 14-SOIC
CANbus Controller CAN 2.0 SPI Interface 14-VDFN (4.5x3)
CANbus Controller CAN 2.0 SPI Interface 18-PDIP
CANbus Controller CAN 2.0 SPI Interface 18-SOIC
CANbus Controller CAN 2.0 SPI Interface 20-QFN (4x4)
CANbus Controller CAN 2.0 SPI Interface 20-TSSOP
CANbus Physical Layer Controller Interface 14-SO
CCFL Controller Controller 175kHz ~ 225kHz No 16-SO
CCFL Controller Controller 20kHz ~ 100kHz Yes 28-SOIC
CCFL Controller Controller 20kHz ~ 100kHz Yes 28-TSSOP
CCFL Controller Controller 300kHz ~ 410kHz Yes 16-SSOP
CCFL Controller Controller 30kHz ~ 80kHz Yes 24-QSOP
CCFL Controller Controller 30kHz ~ 80kHz Yes 28-TQFN (5x5)
CCFL Controller Controller 51.7kHz ~ 55.9kHz Yes 28-QSOP
CCFL Controller Controller 57kHz ~ 63kHz Yes 28-TQFN (5x5)
CCFL Controller Controller 64kHz ~ 200kHz Yes 20-QSOP
CCFL Controller Controller 84kHz ~ 116kHz Yes 24-TSSOP
CCFL Controller Controller Yes 16-SOIC
CCFL Driver Controller 60kHz Yes 20-TSSOPF-EP
Controller 8-MSOP-EP
Controller ACCESS.bus, I²C Interface 32-WQFN (6x6)
Controller ACCESS.bus, I²C Interface 49-CSBGA (4x4)
Controller I²C Interface 36-CSBGA (3.5x3.5)
EL Lamp Driver Controller 100Hz ~ 1.5kHz No 12-MLF™ (4x4)
EL Lamp Driver Controller 210Hz ~ 290Hz Yes 14-TDFN (3x3)
EL Lamp Driver Controller 35kHz ~ 350kHz No 10-MLF® (3x3)
EL Lamp Driver Controller 35kHz ~ 350kHz No 10-MSOP
EL Lamp Driver Controller 400Hz Yes 24-TQFN (4x4)
EL Lamp Driver Controller 50kHz ~ 200kHz No 8-MSOP-EP
EL Lamp Driver Controller 60Hz ~ 1kHz No 8-MLF® (2x2)
EL Lamp Driver Controller 60Hz ~ 1kHz No 8-MSOP
Ethernet Bridge, USB to Ethernet USB 2.0, 10/100 Base-T/TX PHY USB Interface 56-QFN (8x8)
ETHERNET CONTROLLER, 10 MB/S, SI
HIGHLY INTEGRATED SMALL FORM FAC
I²C Controller USB Interface 24-QFN (4x4)
I/O Expander 10 I²C, SMBus 400kHz 16-TQFN (3x3)
I/O Expander 10 SPI 16-QSOP
I/O Expander 10 SPI 16-TQFN (3x3)
I/O Expander 16 (8 Output Only) I²C 400kHz 24-QSOP
I/O Expander 16 (8 Output Only) I²C 400kHz 24-TQFN (4x4)
I/O Expander 16 I²C 1.7MHz 28-QFN (6x6)
I/O Expander 16 I²C 1.7MHz 28-SOIC
I/O Expander 16 I²C 1.7MHz 28-SPDIP
I/O Expander 16 I²C 1.7MHz 28-SSOP
I/O Expander 16 I²C 100kHz 24-TSSOP
I/O Expander 16 I²C 3.4MHz 24-QFN (4x4)
I/O Expander 16 I²C 3.4MHz 24-SSOP
I/O Expander 16 I²C 3.4MHz 28-SOIC
I/O Expander 16 I²C 3.4MHz 28-SPDIP
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-QSOP
I/O Expander 16 I²C 400kHz 24-SO
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 400kHz 28-QFN (6x6)
I/O Expander 16 I²C 400kHz 28-SOIC
I/O Expander 16 I²C 400kHz 28-SPDIP
I/O Expander 16 I²C 400kHz 28-SSOP
I/O Expander 16 I²C, SMBus 400kHz 24-HWQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-QSOP
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-TQFN (4x4)
I/O Expander 16 I²C, SMBus 400kHz 24-TSSOP
I/O Expander 16 I²C, SMBus 400kHz 24-VFBGA (3x3)
I/O Expander 16 SPI 10MHz 24-QFN (4x4)
I/O Expander 16 SPI 10MHz 28-QFN (6x6)
I/O Expander 16 SPI 10MHz 28-SOIC
I/O Expander 16 SPI 10MHz 28-SPDIP
I/O Expander 16 SPI 10MHz 28-SSOP
I/O Expander 18 I²C 400kHz 24-QSOP
I/O Expander 18 I²C 400kHz 24-TQFN (4x4)
I/O Expander 20 I²C, 2-Wire Serial 400kHz 28-PDIP
I/O Expander 20 I²C, 2-Wire Serial 400kHz 28-SSOP
I/O Expander 20 I²C, 2-Wire Serial 400kHz 28-TQFN (5x5)
I/O Expander 20 SPI 26MHz 28-SSOP
I/O Expander 28 I²C 400kHz 36-SSOP
I/O Expander 28 I²C 400kHz 40-TQFN (6x6)
I/O Expander 28 SPI 26MHz 28-PDIP
I/O Expander 28 SPI 26MHz 36-SSOP
I/O Expander 28 SPI 26MHz 40-TQFN (6x6)
I/O Expander 4 I²C 400kHz 16-QSOP
I/O Expander 4 I²C 400kHz 16-TQFN (3x3)
I/O Expander 4 I²C 400kHz 24-TQFN-EP (3.5x3.5)
I/O Expander 8 (Input Only) I²C 400kHz 16-QSOP
I/O Expander 8 (Input Only) I²C 400kHz 16-TQFN (3x3)
I/O Expander 8 (Output Only) I²C 400kHz 16-QSOP
I/O Expander 8 2-Wire 100kHz 16-SOIC
I/O Expander 8 CAN (1-Wire) 25MHz 14-PDIP
I/O Expander 8 CAN (1-Wire) 25MHz 14-SOIC
I/O Expander 8 CAN (1-Wire) 4MHz 14-PDIP
I/O Expander 8 CAN (1-Wire) 4MHz 14-SOIC
I/O Expander 8 CAN V2.0b 25MHz 14-PDIP
I/O Expander 8 CAN V2.0b 25MHz 14-SOIC
I/O Expander 8 I²C 1.7MHz 18-PDIP
I/O Expander 8 I²C 1.7MHz 18-SOIC
I/O Expander 8 I²C 1.7MHz 20-QFN (4x4)
I/O Expander 8 I²C 1.7MHz 20-SSOP
I/O Expander 8 I²C 100kHz 16-SOIC
I/O Expander 8 I²C 100kHz 24-WQFN (4x4)
I/O Expander 8 I²C 3.4MHz 16-QFN (3x3)
I/O Expander 8 I²C 3.4MHz 18-PDIP
I/O Expander 8 I²C 3.4MHz 18-SOIC
I/O Expander 8 I²C 3.4MHz 20-SSOP
I/O Expander 8 I²C 400kHz 16-DIP
I/O Expander 8 I²C 400kHz 16-QSOP
I/O Expander 8 I²C 400kHz 16-SO
I/O Expander 8 I²C 400kHz 16-TQFN (3x3)
I/O Expander 8 I²C 400kHz 16-TSSOP
I/O Expander 8 I²C 400kHz 20-SSOP
I/O Expander 8 I²C 400kHz 24-QSOP
I/O Expander 8 I²C 400kHz 24-TQFN (4x4)
I/O Expander 8 I²C, SMBus 100kHz 16-QSOP
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-QSOP
I/O Expander 8 I²C, SMBus 400kHz 16-SO
I/O Expander 8 I²C, SMBus 400kHz 16-TQFN (3x3)
I/O Expander 8 I²C, SMBus 400kHz 16-TQFN (4x4)
I/O Expander 8 I²C, SMBus 400kHz 16-TSSOP
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 MIPI® RFFE 26MHz 16-DSBGA (2.5x2.12)
I/O Expander 8 SMBus 100kHz 16-QSOP
I/O Expander 8 SPI 10MHz 16-QFN (3x3)
I/O Expander 8 SPI 10MHz 18-PDIP
I/O Expander 8 SPI 10MHz 18-SOIC
I/O Expander 8 SPI 10MHz 20-QFN (4x4)
I/O Expander 8 SPI 10MHz 20-SSOP
I2C
IC CAN CONTROLLER W/SPI 20-QFN
IC I/O EXPANDER I2C 16B 24SOIC
IC KEYPAD CTLR 32WQFN
IC MEM CTLR NV RAM 16-SOIC
IC MEM CTLR NV RAM 8-PDIP
IC MEM CTLR NV RAM 8-SOIC
IC REG SW CCFL DAC PROG 16SOIC
IC SWTCH REG CCFL DAC PROG16SOIC
IC SYSTEM BASE W/CAN 20-HSOP
IC USB TO I2C/UART 14SOIC
IC USB TO I2C/UART 16QFN
IC XPND 100KHZ I2C SMBUS 24TSSOP
IC XPNDR 3.4MHZ I2C 16QFN
IC XPNDR 3.4MHZ I2C 24SSOP
Interface
IRDA® Controller UART Interface 18-PDIP
IRDA® Controller UART Interface 18-SOIC
IRDA® Controller UART Interface 20-SSOP
NAT9914BPDF-9, 9 CHIPS IN A TUBE
NAT9914BPLF-27, 27 CHIPS IN A TU
NCA6416BY-Q100/SOT80 41/HWQFN24
NCA6416BY/SOT8041/HW QFN24
NCA6416PW-Q100/SOT35 5/TSSOP24
NCA6416PW/SOT355/TSS OP24
RS232, RS485 Controller I²C, SPI, UART Interface 24-SSOP
RS232, RS485 Controller I²C, SPI, UART Interface 24-TQFN (3.5x3.5)
RS232, RS485 Controller SPI, UART Interface 14-PDIP
RS232, RS485 Controller SPI, UART Interface 16-QSOP
RS232, RS485 Controller SPI, UART Interface 24-TQFN (4x4)
RS232, RS485 Controller SPI, UART Interface 28-PDIP
RS232, RS485 Controller SPI, UART Interface 28-QSOP
RS232, RS485 Controller SPI, UART Interface 28-SOIC
STAND-ALONE LOW POWER CAN FD CON
STAND-ALONE USB TYPE-C/PD PORT C
USB 2.0 TO UART PROTOCOL CONVERT
USB Bridge, USB to Ethernet USB 2.0 USB Interface 56-QFN (8x8)
USB Bridge, USB to I²C/UART USB 2.0 I²C, UART Interface 14-PDIP
USB Bridge, USB to I²C/UART USB 2.0 I²C, UART Interface 14-SOIC
USB Bridge, USB to I²C/UART USB 2.0 I²C, UART Interface 14-TSSOP
USB Bridge, USB to I²C/UART USB 2.0 I²C, UART Interface 16-QFN (4x4)
USB Bridge, USB to SPI USB 2.0 SPI Interface 120-TQFP (14x14)
USB Bridge, USB to SPI USB 2.0 SPI Interface 20-SOIC
USB Bridge, USB to SPI USB 2.0 SPI Interface 20-SSOP
USB Bridge, USB to SPI USB 2.0 SPI Interface 20-VQFN (5x5)
USB Bridge, USB to UART USB 2.0 UART Interface 20-VQFN (5x5)
USB Controller Interface 16-QSOP
USB Controller Interface 8-SOIC
USB Controller USB 2.0 SPI Interface 24-TQFN (4x4)
USB Controller USB 2.0 SPI Interface 32-LQFP (7x7)
USB Controller USB 2.0 SPI Interface 32-TQFN (5x5)
USB Controller USB 2.0 SPI Interface 32-TQFP (5x5)
USB Controller USB 2.0 USB Interface 64-TQFP (10x10)
USB Controller USB Interface 16-QSOP
USB Controller USB Interface 8-SOIC
USB Switch USB 2.0 I²C Interface 20-QFN-EP (3x3)

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