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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 (IDR) 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 Remote 8B I2C & SMBu s I/O Expander TCA9554APWR Texas Instruments 1: Rp24.033,26 197In Stock 10.000Expected 23/11/2026	Mfr. Part No. TCA9554APWR Mouser Part No 595-TCA9554APWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	197In Stock 10.000Expected 23/11/2026	Cut Tape Rp24.033,26 Rp20.180,60 Rp18.272,62 Rp16.217,86 Reel Rp13.557,69 View Rp15.245,53 Rp14.658,45 Rp14.493,34 Rp13.264,16 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander TCA9554DBQR Texas Instruments 1: Rp35.958,16 1.185In Stock 2.500Expected 19/11/2026	Mfr. Part No. TCA9554DBQR Mouser Part No 595-TCA9554DBQR	Texas Instruments	Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	1.185In Stock 2.500Expected 19/11/2026	Cut Tape Rp35.958,16 Rp26.601,70 Rp24.216,72 Rp21.648,28 Reel Rp18.254,27 View Rp20.364,06 Rp19.630,22 Rp17.869,00 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-16
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR TCA9554DWT Texas Instruments 1: Rp46.231,92 18In Stock 500Expected 23/11/2026	Mfr. Part No. TCA9554DWT Mouser Part No 595-TCA9554DWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	18In Stock 500Expected 23/11/2026	Cut Tape Rp46.231,92 Rp34.307,02 Rp31.371,66 Rp28.069,38 Reel Rp26.601,70 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9800DGKR TCA9800DGKT Texas Instruments 1: Rp25.500,94 228In Stock 750On Order	Mfr. Part No. TCA9800DGKT Mouser Part No 595-TCA9800DGKT	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9800DGKR	Datasheet	228In Stock 750On Order On Order Ship Dates Mfr. No: TCA9800DGKT Stock: 228 Can Dispatch Immediately On Order: 250 Expected 19/11/2026 500 Expected 23/11/2026 Factory Lead Time: 26 Weeks	Cut Tape Rp25.500,94 Rp18.712,92 Rp16.841,63 Rp14.951,99 Reel Rp13.190,77 MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Repeaters	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9801DGKT TCA9801DGKR Texas Instruments 1: Rp23.115,96 65In Stock 5.000Expected 24/12/2026	Mfr. Part No. TCA9801DGKR Mouser Part No 595-TCA9801DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9801DGKT Learn More about Texas Instruments ti tca9801 buffer repeater	Datasheet	65In Stock 5.000Expected 24/12/2026	Cut Tape Rp23.115,96 Rp16.676,51 Rp15.098,76 Rp13.135,74 View Reel Rp11.154,37 Rp12.310,17 Rp11.869,86 Rp11.814,82 Rp11.154,37 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - Signal Buffers, Repeaters LevelTranslating I2C Bus Buffer/Repeater A 595-TCA9803DGKR TCA9803DGKT Texas Instruments 1: Rp23.299,42 7In Stock	Mfr. Part No. TCA9803DGKT Mouser Part No 595-TCA9803DGKT	Texas Instruments	Interface - Signal Buffers, Repeaters LevelTranslating I2C Bus Buffer/Repeater A 595-TCA9803DGKR Learn More about Texas Instruments ti tca9803 buffer repeater	Datasheet	7In Stock	Cut Tape Rp23.299,42 Rp16.364,63 Rp14.823,57 Rp13.117,39 Reel Rp11.301,14 MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders Interface IO Expander PI4IOE5V6416ZDEX Diodes Incorporated 1: Rp29.537,06 225In Stock 84.000On Order	Mfr. Part No. PI4IOE5V6416ZDEX Mouser Part No 729-PI4IOE5V6416ZDEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	225In Stock 84.000On Order On Order Ship Dates Mfr. No: PI4IOE5V6416ZDEX Stock: 225 Can Dispatch Immediately On Order: 21.000 Expected 26/05/2027 28.000 Expected 06/03/2028 35.000 Expected 31/03/2028 Factory Lead Time: 48 Weeks	Cut Tape Rp29.537,06 Rp21.464,82 Rp18.217,58 Rp17.226,89 Reel Rp12.768,82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3.500 : 3.500	I/O Expanders			I2C, Serial	SMD/SMT	TQFN-24
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539LE Diodes Incorporated 1: Rp26.601,70 41In Stock	Mfr. Part No. PI4IOE5V9539LE Mouser Part No 729-PI4IOE5V9539LE	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	41In Stock	Rp26.601,70 Rp19.263,30 Rp16.603,13 Rp14.438,30 View Rp14.016,34 Rp13.741,15 Rp13.465,96 Rp13.300,85 Rp13.172,43	Min.: 1 Mult.: 1	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 PI4IOE5V9539LEX Diodes Incorporated 1: Rp26.601,70 237In Stock 3.000Expected 08/12/2027	Mfr. Part No. PI4IOE5V9539LEX Mouser Part No 729-PI4IOE5V9539LEX	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	237In Stock 3.000Expected 08/12/2027	Cut Tape Rp26.601,70 Rp19.263,30 Rp16.859,97 Rp15.373,95 View Reel Rp12.236,78 Rp14.860,26 Rp14.548,38 Rp14.218,15 Rp12.236,78	Min.: 1 Mult.: 1 : 3.000	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: Rp23.115,96 1.636In Stock 2.500Expected 20/10/2027	Mfr. Part No. PI4IOE5V9554ALEX Mouser Part No 729-PI4IOE5V9554ALEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1.636In Stock 2.500Expected 20/10/2027	Cut Tape Rp23.115,96 Rp16.603,13 Rp14.530,03 Rp13.209,12 Reel Rp13.209,12 MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2.500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LE Diodes Incorporated 1: Rp24.767,10 138In Stock	Mfr. Part No. PI4IOE5V9554LE Mouser Part No 729-PI4IOE5V9554LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	138In Stock	Rp24.767,10 Rp17.887,35 Rp15.924,33 Rp15.447,33 View Rp13.392,58 Rp12.842,20 Rp12.273,47 Rp11.924,90 Rp11.649,71	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LEX Diodes Incorporated 1: Rp24.950,56 2.303In Stock 2.500Expected 16/04/2027	Mfr. Part No. PI4IOE5V9554LEX Mouser Part No 729-PI4IOE5V9554LEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2.303In Stock 2.500Expected 16/04/2027	Cut Tape Rp24.950,56 Rp17.942,39 Rp15.759,21 Rp14.364,92 Rp13.887,92 Reel Rp13.887,92	Min.: 1 Mult.: 1 Max.: 460 : 2.500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port PI4IOE5V9555ZDEX Diodes Incorporated 1: Rp30.270,90 1.633In Stock 7.000Expected 18/01/2027	Mfr. Part No. PI4IOE5V9555ZDEX Mouser Part No 729-PI4IOE5V9555ZDEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1.633In Stock 7.000Expected 18/01/2027	Cut Tape Rp30.270,90 Rp22.198,66 Rp18.896,38 Rp17.758,93 Reel Rp17.758,93 MouseReel Available	Min.: 1 Mult.: 1 Max.: 620 : 3.500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TQFN-24
Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 NCA9539PWJ Nexperia 1: Rp26.601,70 194In Stock 2.500Expected 09/04/2027	Mfr. Part No. NCA9539PWJ Mouser Part No 771-NCA9539PWJ	Nexperia	Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	194In Stock 2.500Expected 09/04/2027	Cut Tape Rp26.601,70 Rp19.446,76 Rp17.520,43 Rp15.520,72 Reel Rp12.438,59 View Rp14.566,72 Rp13.979,65 Rp13.594,39 Rp11.888,21 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders	I/O Expanders	I2C and SMBus I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - Signal Buffers, Repeaters Dual Supply Level translating I2C-bus/SMBus repeater PCA9509DP,118 NXP Semiconductors 1: Rp36.325,08 106In Stock 5.000Expected 09/11/2026	Mfr. Part No. PCA9509DP,118 Mouser Part No 771-PCA9509DP-T	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Level translating I2C-bus/SMBus repeater Learn More about NXP Semiconductors nxp pca9509 repeater	Datasheet	106In Stock 5.000Expected 09/11/2026	Cut Tape Rp36.325,08 Rp26.785,16 Rp24.400,18 Rp21.831,74 Reel Rp20.364,06 View Rp20.914,44 Rp20.547,52 Rp19.997,14 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	TSSOP-8
Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater PCA9509PGM,125 NXP Semiconductors 1: Rp22.015,20 1.497In Stock 8.000Expected 14/01/2027	Mfr. Part No. PCA9509PGM,125 Mouser Part No 771-PCA9509PGM,125	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater Learn More about NXP Semiconductors nxp pca9509 repeater	Datasheet	1.497In Stock 8.000Expected 14/01/2027	Cut Tape Rp22.015,20 Rp15.795,91 Rp14.218,15 Rp12.511,97 View Reel Rp10.090,30 Rp11.686,40 Rp11.191,06 Rp10.842,49 Rp10.365,49 Rp10.090,30 MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	XQFN-8
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538BS,118 NXP Semiconductors 1: Rp48.800,36 103In Stock 24.000On Order	Mfr. Part No. PCA9538BS,118 Mouser Part No 771-PCA9538BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package	Datasheet	103In Stock 24.000On Order On Order Ship Dates Mfr. No: PCA9538BS,118 Stock: 103 Can Dispatch Immediately On Order: 12.000 Expected 02/11/2026 12.000 Expected 09/02/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp48.800,36 Rp37.058,92 Rp31.922,04 Rp28.803,22 View Reel Rp24.400,18 Rp27.519,00 Rp26.601,70 Rp25.500,94 Rp25.317,48 Rp24.400,18 MouseReel Available	Min.: 1 Mult.: 1 : 6.000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	HVQFN-16
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package PCA9539PW,118 NXP Semiconductors 1: Rp49.350,74 108In Stock 17.500On Order	Mfr. Part No. PCA9539PW,118 Mouser Part No 771-PCA9539PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package	Datasheet	108In Stock 17.500On Order On Order Ship Dates Mfr. No: PCA9539PW,118 Stock: 108 Can Dispatch Immediately On Order: 7.500 Expected 07/06/2027 10.000 Expected 14/06/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp49.350,74 Rp36.875,46 Rp33.573,18 Rp30.087,44 View Reel Rp24.400,18 Rp26.968,62 Rp26.234,78 Rp25.134,02 Rp24.400,18 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 I/O Expander with Interrupt in SSOP24 package PCA9555DB,118 NXP Semiconductors 1: Rp59.074,12 7.000Expected 07/12/2026	Mfr. Part No. PCA9555DB,118 Mouser Part No 771-PCA9555DB-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package	Datasheet	7.000Expected 07/12/2026	Cut Tape Rp59.074,12 Rp44.030,40 Rp40.361,20 Rp36.325,08 Reel Rp32.105,50 View Rp34.307,02 Rp33.573,18 Rp31.004,74 Rp30.454,36 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package PCA9557PW,118 NXP Semiconductors 1: Rp42.379,26 992In Stock 32.500Expected 21/12/2026	Mfr. Part No. PCA9557PW,118 Mouser Part No 771-PCA9557PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package	Datasheet	992In Stock 32.500Expected 21/12/2026	Cut Tape Rp42.379,26 Rp31.738,58 Rp28.619,76 Rp26.051,32 View Reel Rp22.198,66 Rp24.767,10 Rp24.033,26 Rp23.666,34 Rp22.198,66 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders Mobile I/O Companion Key-Scan LM8333FLQ8Y/NOPB Texas Instruments 1: Rp93.014,22 158In Stock	Mfr. Part No. LM8333FLQ8Y/NOPB Mouser Part No 926-LM8333FLQ8Y/NOPB	Texas Instruments	Interface - I/O Expanders Mobile I/O Companion Key-Scan	Datasheet	158In Stock	Cut Tape Rp93.014,22 Rp70.815,56 Rp67.696,74 Rp61.275,64 Reel Rp54.854,54 View Rp53.019,94 Rp52.102,64 Rp51.552,26 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	WQFN-32
Interface - Signal Buffers, Repeaters Dual Bidirct I2C Bus & SMBus Repeater A A 595-PCA9515BDGKR PCA9515ADGKR Texas Instruments 1: Rp72.283,24 595In Stock 2.500Expected 23/11/2026 NRND	Mfr. Part No. PCA9515ADGKR Mouser Part No 595-PCA9515ADGKR NRND	Texas Instruments	Interface - Signal Buffers, Repeaters Dual Bidirct I2C Bus & SMBus Repeater A A 595-PCA9515BDGKR Learn More about Texas Instruments ti pca95xx	Datasheet	595In Stock 2.500Expected 23/11/2026	Cut Tape Rp72.283,24 Rp54.671,08 Rp50.268,04 Rp45.314,62 View Reel Rp39.260,44 Rp42.929,64 Rp42.746,18 Rp39.260,44 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: Rp73.384,00 269In Stock End of Life	Mfr. Part No. PCA9534ADBR Mouser Part No 595-PCA9534ADBR End of Life	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB	Datasheet	269In Stock	Cut Tape Rp73.384,00 Rp55.404,92 Rp50.818,42 Rp45.865,00 View Reel Rp43.480,02 Rp43.663,48 Rp43.480,02 Rp43.480,02 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-16
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300A-2IMS8#PBF Analog Devices 1: Rp148.419,14 38In Stock	Mfr. Part No. LTC4300A-2IMS8#PBF Mouser Part No 584-C4300A-2IMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	38In Stock	Rp148.419,14 Rp115.029,42 Rp101.453,38 Rp97.233,80 View Rp90.445,78 Rp90.078,86 Rp87.693,88 Rp83.474,30	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-3CMS8#PBF Analog Devices 1: Rp130.073,14 104In Stock	Mfr. Part No. LTC4300A-3CMS8#PBF Mouser Part No 584-C4300A-3CMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus	Datasheet	104In Stock	Rp130.073,14 Rp99.802,24 Rp84.575,06 Rp83.657,76 View Rp78.704,34 Rp75.952,44 Rp75.402,06 Rp74.851,68	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8