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400 kHz Interface ICs

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Maximum Clock Frequency = 400 kHz

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Product	Type	Interface Type	Mounting Style	Package/Case
Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K PI4IOE5V9554ZHEX Diodes Incorporated 1: 0,955 € 8.729In Stock 12.403On Order	Mfr. Part No. PI4IOE5V9554ZHEX Mouser Part No 621-PI4IOE5V9554ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v9554 8 bit expander	Datasheet	8.729In Stock 12.403On Order On Order Ship Dates Mfr. No: PI4IOE5V9554ZHEX Stock: 8.729 Can Dispatch Immediately On Order: 1.903 Pending 10.500 Expected 12/25/2026 Factory Lead Time: 48 Weeks	Cut Tape 0,955 € 0,69 € 0,621 € 0,546 € View Reel 0,452 € 0,511 € 0,488 € 0,473 € 0,452 €	Min.: 1 Mult.: 1 Max.: 3.500 : 3.500	I/O Expanders	I/O Expanders	I2C-Bus/SMBus	I2C, Serial, SMBus	SMD/SMT	TQFN-16
Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int CAT9555YI-T2 onsemi 1: 1,32 € 16.170In Stock	Mfr. Part No. CAT9555YI-T2 Mouser Part No 698-CAT9555YI-T2	onsemi	Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int	Datasheet	16.170In Stock	Cut Tape 1,32 € 0,963 € 0,877 € 0,772 € View Reel 0,599 € 0,725 € 0,706 € 0,599 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000	I/O Expanders		I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders Interface IO Expandr PI4IOE5V6416LEX Diodes Incorporated 1: 1,22 € 6.076In Stock	Mfr. Part No. PI4IOE5V6416LEX Mouser Part No 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6.076In Stock	Cut Tape 1,22 € 0,912 € 0,803 € 0,738 € 0,716 € Reel 0,716 €	Min.: 1 Mult.: 1 Max.: 410 : 3.000	I/O Expanders	I/O Expanders		I2C, Serial	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C and SMBus Port PI4IOE5V9535LEX Diodes Incorporated 1: 1,23 € 5.160In Stock	Mfr. Part No. PI4IOE5V9535LEX Mouser Part No 729-PI4IOE5V9535LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	5.160In Stock	Cut Tape 1,23 € 0,894 € 0,783 € 0,713 € 0,689 € Reel 0,689 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 260 : 3.000	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539ZDEX Diodes Incorporated 1: 1,25 € 2.445In Stock 7.000Expected 12/18/2026	Mfr. Part No. PI4IOE5V9539ZDEX Mouser Part No 729-PI4IOE5V9539ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2.445In Stock 7.000Expected 12/18/2026	Cut Tape 1,25 € 0,903 € 0,79 € 0,721 € 0,697 € Reel 0,697 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 460 : 3.500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TQFN-24
Interface - Signal Buffers, Repeaters Hot Swappable I2C Bus/SMBus Buffer PI6ULS5V9511AUEX Diodes Incorporated 1: 1,07 € 3.189In Stock	Mfr. Part No. PI6ULS5V9511AUEX Mouser Part No 729-PI6ULS5V9511AUEX	Diodes Incorporated	Interface - Signal Buffers, Repeaters Hot Swappable I2C Bus/SMBus Buffer Learn More about Diodes Incorporated diodes pi6uls5v9511a buffers	Datasheet	3.189In Stock	Cut Tape 1,07 € 0,771 € 0,691 € 0,616 € Reel 0,616 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2.500	Signal Buffers, Repeaters	Buffers	Hot Swappable	I2C, SMBus	SMD/SMT	MSOP-8
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package PCA6408ABSHP NXP Semiconductors 1: 1,20 € 6.811In Stock 12.000Expected 5/10/2027	Mfr. Part No. PCA6408ABSHP Mouser Part No 771-PCA6408ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	6.811In Stock 12.000Expected 5/10/2027	Cut Tape 1,20 € 0,869 € 0,786 € 0,697 € View Reel 0,574 € 0,654 € 0,629 € 0,611 € 0,602 € 0,574 € MouseReel Available	Min.: 1 Mult.: 1 : 6.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HVQFN-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP16 package PCA6408APW,118 NXP Semiconductors 1: 1,21 € 2.566In Stock	Mfr. Part No. PCA6408APW,118 Mouser Part No 771-PCA6408APW,118	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	2.566In Stock	Cut Tape 1,21 € 0,877 € 0,796 € 0,71 € Reel 0,626 € View 0,676 € 0,655 € 0,639 € 0,616 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package PCA9500PW,118 NXP Semiconductors 1: 2,68 € 2.623In Stock	Mfr. Part No. PCA9500PW,118 Mouser Part No 771-PCA9500PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package	Datasheet	2.623In Stock	Cut Tape 2,68 € 2,03 € 1,87 € 1,71 € Reel 1,51 € View 1,63 € 1,60 € 1,58 € 1,47 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package PCA9501PW,118 NXP Semiconductors 1: 2,81 € 3.840In Stock 5.000Expected 11/4/2026	Mfr. Part No. PCA9501PW,118 Mouser Part No 771-PCA9501PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package Learn More about NXP Semiconductors nxp pca9501pw 8 bit expander	Datasheet	3.840In Stock 5.000Expected 11/4/2026	Cut Tape 2,81 € 2,16 € 2,00 € 1,81 € Reel 1,60 € View 1,73 € 1,70 € 1,68 € 1,57 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-20
Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub PCA9516APW,118 NXP Semiconductors 1: 2,48 € 7.512In Stock	Mfr. Part No. PCA9516APW,118 Mouser Part No 771-PCA9516APW-T	NXP Semiconductors	Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub	Datasheet	7.512In Stock	Cut Tape 2,48 € 1,90 € 1,75 € 1,59 € Reel 1,37 € View 1,51 € 1,49 € 1,44 € 1,32 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Buffers		I2C	SMD/SMT	TSSOP-16
Interface - I/O Expanders Expandable 5-channel I2C-bus hub PCA9518APW,518 NXP Semiconductors 1: 3,15 € 2.409In Stock 2.500Expected 1/18/2027	Mfr. Part No. PCA9518APW,518 Mouser Part No 771-PCA9518APW518	NXP Semiconductors	Interface - I/O Expanders Expandable 5-channel I2C-bus hub	Datasheet	2.409In Stock 2.500Expected 1/18/2027	Cut Tape 3,15 € 2,35 € 2,15 € 1,93 € 1,82 € Reel 1,55 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-20
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in TSSOP24 package PCA9535CPW,118 NXP Semiconductors 1: 2,03 € 1.112In Stock 17.500On Order	Mfr. Part No. PCA9535CPW,118 Mouser Part No 771-PCA9535CPW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in TSSOP24 package	Datasheet	1.112In Stock 17.500On Order On Order Ship Dates Mfr. No: PCA9535CPW,118 Stock: 1.112 Can Dispatch Immediately On Order: 10.000 Pending 7.500 Expected 11/23/2026 Factory Lead Time: 30 Weeks	Cut Tape 2,03 € 1,51 € 1,37 € 1,23 € View Reel 1,07 € 1,16 € 1,12 € 1,09 € 1,07 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package PCA9535PW,118 NXP Semiconductors 1: 2,52 € 9.141In Stock 17.500Expected 1/13/2027	Mfr. Part No. PCA9535PW,118 Mouser Part No 771-PCA9535PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555 in TSSOP24 package	Datasheet	9.141In Stock 17.500Expected 1/13/2027	Cut Tape 2,52 € 1,88 € 1,72 € 1,55 € Reel 1,31 € View 1,46 € 1,43 € 1,39 € 1,28 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package PCA9537DPZ NXP Semiconductors 1: 1,76 € 2.767In Stock	Mfr. Part No. PCA9537DPZ Mouser Part No 771-PCA9537DPZ	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package	Datasheet	2.767In Stock	Cut Tape 1,76 € 1,31 € 1,19 € 1,06 € Reel 0,912 € View 0,998 € 0,963 € 0,946 € 0,877 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-10
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset, Low Power version of PCA9555 in TSSOP24 package PCA9539RPW/Q900J NXP Semiconductors 1: 2,43 € 1.026In Stock	Mfr. Part No. PCA9539RPW/Q900J Mouser Part No 771-PCA9539RPW/Q900J	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset, Low Power version of PCA9555 in TSSOP24 package	Datasheet	1.026In Stock	Cut Tape 2,43 € 1,81 € 1,66 € 1,49 € Reel 1,20 € View 1,41 € 1,38 € 1,34 € 1,18 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package PCAL6416AEVJ NXP Semiconductors 1: 1,36 € 7.214In Stock	Mfr. Part No. PCAL6416AEVJ Mouser Part No 771-PCAL6416AEVJ	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	7.214In Stock	Cut Tape 1,36 € 1,01 € 0,92 € 0,815 € View Reel 0,687 € 0,772 € 0,746 € 0,739 € 0,716 € 0,687 € MouseReel Available	Min.: 1 Mult.: 1 : 6.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VFBGA-24
Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB DS64BR111SQE/NOPB Texas Instruments 1: 13,98 € 623In Stock 500Expected 11/19/2026	Mfr. Part No. DS64BR111SQE/NOPB Mouser Part No 926-DS64BR111SQENOPB	Texas Instruments	Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB	Datasheet	623In Stock 500Expected 11/19/2026	Cut Tape 13,98 € 11,07 € 10,54 € 9,58 € Reel 9,35 € MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Repeaters	I2C, SMBus		SMD/SMT	WQFN-24
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SO Microchip Technology 1: 1,83 € 454In Stock	Mfr. Part No. MCP23016-I/SO Mouser Part No 579-MCP23016-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	454In Stock	1,83 € 1,53 €	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	SOIC-28
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SP Microchip Technology 1: 1,93 € 491In Stock	Mfr. Part No. MCP23016-I/SP Mouser Part No 579-MCP23016-I/SP	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	491In Stock	1,93 € 1,61 €	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	Through Hole	SPDIP-28
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300A-1CMS8#PBF Analog Devices 1: 6,10 € 506In Stock	Mfr. Part No. LTC4300A-1CMS8#PBF Mouser Part No 584-C4300A-1CMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	506In Stock	6,10 € 4,68 € 3,96 € 3,92 € View 3,73 € 3,62 € 3,58 € 3,53 €	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300A-2CMS8#PBF Analog Devices 1: 6,10 € 488In Stock	Mfr. Part No. LTC4300A-2CMS8#PBF Mouser Part No 584-C4300A-2CMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	488In Stock	6,10 € 4,90 € 4,17 € 4,09 € View 3,90 € 3,59 € 3,56 € 3,53 €	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300-1IMS8#PBF Analog Devices 1: 6,40 € 307In Stock	Mfr. Part No. LTC4300-1IMS8#PBF Mouser Part No 584-LTC4300-1IMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	307In Stock	6,40 € 4,94 € 4,19 € 4,15 € View 3,85 € 3,43 €	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus LTC4300A-3CDD#PBF Analog Devices 1: 3,60 € 79In Stock	Mfr. Part No. LTC4300A-3CDD#PBF Mouser Part No 584-LTC4300A-3CDDPBF	Analog Devices	Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus	Datasheet	79In Stock	3,60 € 3,53 € 3,51 €	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	DFN-8
Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin LTC4313CMS8-3#PBF Analog Devices 1: 7,55 € 135In Stock	Mfr. Part No. LTC4313CMS8-3#PBF Mouser Part No 584-LTC4313CMS8-3PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin	Datasheet	135In Stock	7,55 € 5,85 € 5,42 € 4,95 € View 4,73 € 4,59 € 4,47 € 4,24 €	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	2-Wire Bus	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8