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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 - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9800DGKT TCA9800DGKR Texas Instruments 1: 0,989 € 10.084In Stock 7.500Expected 4/12/2027	Mfr. Part No. TCA9800DGKR Mouser Part No 595-TCA9800DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9800DGKT	Datasheet	10.084In Stock 7.500Expected 4/12/2027	Cut Tape 0,989 € 0,722 € 0,657 € 0,578 € Reel 0,493 € View 0,553 € 0,536 € 0,529 € 0,481 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	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-TCA9802DGKT TCA9802DGKR Texas Instruments 1: 1,02 € 8.784In Stock 12.500Expected 2/17/2027	Mfr. Part No. TCA9802DGKR Mouser Part No 595-TCA9802DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9802DGKT Learn More about Texas Instruments ti tca9802 buffer repeater	Datasheet	8.784In Stock 12.500Expected 2/17/2027	Cut Tape 1,02 € 0,733 € 0,66 € 0,581 € View Reel 0,488 € 0,543 € 0,525 € 0,503 € 0,488 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416Q2LEX Diodes Incorporated 1: 2,01 € 3.497In Stock	Mfr. Part No. PI4IOE5V6416Q2LEX Mouser Part No 621-I4IOE5V6416Q2LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416q io expander	Datasheet	3.497In Stock	Cut Tape 2,01 € 1,49 € 1,32 € 1,21 € View Reel 1,01 € 1,18 € 1,16 € 1,14 € 1,01 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000	I/O Expanders			I2C, Serial	SMD/SMT	TSSOP-24
Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int CAT9555YI-T2 onsemi 1: 1,26 € 16.176In Stock	Mfr. Part No. CAT9555YI-T2 Mouser Part No 698-CAT9555YI-T2	onsemi	Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int	Datasheet	16.176In Stock	Cut Tape 1,26 € 0,92 € 0,799 € 0,733 € View Reel 0,595 € 0,67 € 0,647 € 0,633 € 0,595 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 2.000 : 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 € 6.444In 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	6.444In 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 € 5.716In 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	5.716In 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 PI4IOE5V9539LEX Diodes Incorporated 1: 1,25 € 2.276In Stock	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	2.276In Stock	Cut Tape 1,25 € 0,903 € 0,79 € 0,721 € View Reel 0,574 € 0,697 € 0,682 € 0,667 € 0,574 €	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 16-bit I2C and SMBus low power I/O port PI4IOE5V9539ZDEX Diodes Incorporated 1: 1,25 € 4.831In Stock 7.000Expected 3/6/2028	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	4.831In Stock 7.000Expected 3/6/2028	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 - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: 1,08 € 3.426In Stock	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	3.426In Stock	Cut Tape 1,08 € 0,778 € 0,681 € 0,619 € Reel 0,619 € 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 PI4IOE5V9554LEX Diodes Incorporated 1: 1,17 € 2.951In Stock	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	2.951In Stock	Cut Tape 1,17 € 0,841 € 0,739 € 0,673 € 0,651 € Reel 0,651 €	Min.: 1 Mult.: 1 Max.: 460 : 2.500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - Signal Buffers, Repeaters Hot Swappable I2C Bus/SMBus Buffer PI6ULS5V9511AUEX Diodes Incorporated 1: 1,07 € 3.450In 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	3.450In 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 TSSOP16 package PCA6408APW,118 NXP Semiconductors 1: 1,21 € 2.600In 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	2.600In Stock	Cut Tape 1,21 € 0,877 € 0,796 € 0,703 € Reel 0,618 € View 0,67 € 0,643 € 0,627 € 0,601 € 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 HVQFN16 package PCA9500BS,118 NXP Semiconductors 1: 2,98 € 2.233In Stock 6.000Expected 10/7/2026	Mfr. Part No. PCA9500BS,118 Mouser Part No 771-PCA9500BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in HVQFN16 package	Datasheet	2.233In Stock 6.000Expected 10/7/2026	Cut Tape 2,98 € 2,24 € 2,06 € 1,86 € View Reel 1,63 € 1,75 € 1,74 € 1,69 € 1,67 € 1,63 € 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 I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package PCA9500PW,118 NXP Semiconductors 1: 2,44 € 3.057In 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	3.057In Stock	Cut Tape 2,44 € 1,84 € 1,69 € 1,59 € Reel 1,40 € View 1,51 € 1,49 € 1,44 € 1,38 € 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: 2,73 € 4.255In Stock	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	4.255In Stock	Cut Tape 2,73 € 2,05 € 1,87 € 1,69 € View Reel 1,47 € 1,60 € 1,57 € 1,49 € 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-20
Interface - Signal Buffers, Repeaters Dual Supply Hot swappable level translating I2C-bus repeater PCA9508DP,118 NXP Semiconductors 1: 2,40 € 4.193In Stock 2.500Expected 2/16/2027	Mfr. Part No. PCA9508DP,118 Mouser Part No 771-PCA9508DP118	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Hot swappable level translating I2C-bus repeater	Datasheet	4.193In Stock 2.500Expected 2/16/2027	Cut Tape 2,40 € 1,80 € 1,64 € 1,47 € Reel 1,30 € View 1,39 € 1,37 € 1,31 € 1,27 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	Signal Buffers, Repeaters	Repeaters	I2C Bus	I2C	SMD/SMT	TSSOP-8
Interface - Signal Buffers, Repeaters Dual Supply Level translating I2C-bus/SMBus repeater PCA9509DP,118 NXP Semiconductors 1: 1,68 € 6.111In Stock 5.000Expected 11/2/2026	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	6.111In Stock 5.000Expected 11/2/2026	Cut Tape 1,68 € 1,25 € 1,14 € 1,01 € Reel 0,886 € View 0,955 € 0,929 € 0,92 € 0,876 € 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: 0,92 € 1.547In Stock	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	1.547In Stock	Cut Tape 0,92 € 0,663 € 0,599 € 0,528 € View Reel 0,434 € 0,495 € 0,474 € 0,462 € 0,451 € 0,434 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	XQFN-8
Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub PCA9516APW,118 NXP Semiconductors 1: 2,26 € 8.062In Stock	Mfr. Part No. PCA9516APW,118 Mouser Part No 771-PCA9516APW-T	NXP Semiconductors	Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub	Datasheet	8.062In Stock	Cut Tape 2,26 € 1,73 € 1,60 € 1,45 € View Reel 1,27 € 1,38 € 1,35 € 1,30 € 1,27 € 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: 2,80 € 2.409In Stock 2.500Expected 12/27/2027	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 12/27/2027	Cut Tape 2,80 € 2,10 € 1,93 € 1,74 € View Reel 1,51 € 1,64 € 1,62 € 1,57 € 1,51 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-20
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package PCA9537DPZ NXP Semiconductors 1: 1,62 € 3.229In 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	3.229In Stock	Cut Tape 1,62 € 1,20 € 1,09 € 0,972 € Reel 0,82 € View 0,912 € 0,877 € 0,818 € 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538BS,118 NXP Semiconductors 1: 2,08 € 4.025In Stock 12.000Expected 11/2/2026	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	4.025In Stock 12.000Expected 11/2/2026	Cut Tape 2,08 € 1,69 € 1,38 € 1,25 € View Reel 1,09 € 1,18 € 1,14 € 1,13 € 1,09 € MouseReel Available	Min.: 1 Mult.: 1 : 6.000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	HVQFN-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW,118 NXP Semiconductors 1: 2,09 € 2.997In Stock 12.500Expected 10/28/2026	Mfr. Part No. PCA9538PW,118 Mouser Part No 771-PCA9538PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	2.997In Stock 12.500Expected 10/28/2026	Cut Tape 2,09 € 1,55 € 1,42 € 1,27 € Reel 1,10 € View 1,20 € 1,16 € 1,14 € 1,09 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW/Q900,118 NXP Semiconductors 1: 2,55 € 1.200In Stock 2.500Expected 12/21/2026	Mfr. Part No. PCA9538PW/Q900,118 Mouser Part No 771-PCA9538PW/Q90011	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	1.200In Stock 2.500Expected 12/21/2026	Cut Tape 2,55 € 1,90 € 1,74 € 1,57 € View Reel 1,33 € 1,48 € 1,45 € 1,33 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package PCA9555D,118 NXP Semiconductors 1: 2,51 € 3.520In Stock 7.000On Order	Mfr. Part No. PCA9555D,118 Mouser Part No 771-PCA9555D-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	3.520In Stock 7.000On Order	Cut Tape 2,51 € 1,87 € 1,72 € 1,55 € Reel 1,35 € View 1,46 € 1,44 € 1,32 € 1,25 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SO-24