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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 (SGD) 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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT TCA9534ADWR Texas Instruments 1: $2.34 443In Stock 4,000Expected 21/12/2026	Mfr. Part No. TCA9534ADWR Mouser Part No 595-TCA9534ADWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT	Datasheet	443In Stock 4,000Expected 21/12/2026	Cut Tape $2.34 $1.73 $1.56 $1.40 Reel $1.17 View $1.31 $1.26 $1.25 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR TCA9534ADWT Texas Instruments 1: $3.01 282In Stock	Mfr. Part No. TCA9534ADWT Mouser Part No 595-TCA9534ADWT	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR	Datasheet	282In Stock	Cut Tape $3.01 $2.23 $2.03 $1.81 Reel $1.75 View $1.60 $1.56 $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander TCA9534APWR Texas Instruments 1: $2.34 1,765In Stock 10,000On Order	Mfr. Part No. TCA9534APWR Mouser Part No 595-TCA9534APWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander	Datasheet	1,765In Stock 10,000On Order On Order Ship Dates Mfr. No: TCA9534APWR Stock: 1,765 Can Dispatch Immediately On Order: 4,000 Expected 8/2/2027 6,000 Expected 1/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.34 $1.73 $1.56 $1.40 Reel $1.17 View $1.31 $1.26 $1.25 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR TCA9534DWT Texas Instruments 1: $2.76 501In Stock	Mfr. Part No. TCA9534DWT Mouser Part No 595-TCA9534DWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR	Datasheet	501In Stock	Cut Tape $2.76 $2.04 $1.86 $1.66 Reel $1.55 View $1.47 $1.41 $1.40 $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR TCA9535DBT Texas Instruments 1: $3.56 429In Stock	Mfr. Part No. TCA9535DBT Mouser Part No 595-TCA9535DBT	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR Learn More about Texas Instruments ti tca9535 expander	Datasheet	429In Stock	Cut Tape $3.56 $2.65 $2.42 $2.18 Reel $2.04 View $1.93 $1.85 $1.82 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr TCA9535PWR Texas Instruments 1: $2.65 151In Stock 32,000On Order	Mfr. Part No. TCA9535PWR Mouser Part No 595-TCA9535PWR	Texas Instruments	Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr Learn More about Texas Instruments ti tca9535 expander	Datasheet	151In Stock 32,000On Order On Order Ship Dates Mfr. No: TCA9535PWR Stock: 151 Can Dispatch Immediately On Order: 18,000 Expected 10/12/2026 14,000 Expected 28/1/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.65 $1.94 $1.77 $1.58 Reel $1.34 View $1.48 $1.43 $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9538DBR Texas Instruments 1: $2.91 369In Stock 4,000Expected 29/3/2027	Mfr. Part No. TCA9538DBR Mouser Part No 595-TCA9538DBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan	Datasheet	369In Stock 4,000Expected 29/3/2027	Cut Tape $2.91 $2.18 $2.00 $1.80 Reel $1.58 View $1.69 $1.63 $1.54 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial	SMD/SMT	SSOP-16
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554ADBR Texas Instruments 1: $2.05 1,461In Stock 2,000Expected 29/3/2027	Mfr. Part No. TCA9554ADBR Mouser Part No 595-TCA9554ADBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	1,461In Stock 2,000Expected 29/3/2027	Cut Tape $2.05 $1.50 $1.35 $1.20 Reel $1.01 View $1.13 $1.09 $1.05 $0.983 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 - I/O Expanders Remote 8B I2C & SMBu s I/O Expander TCA9554APWR Texas Instruments 1: $2.05 696In Stock 10,000Expected 19/4/2027	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	696In Stock 10,000Expected 19/4/2027	Cut Tape $2.05 $1.50 $1.35 $1.20 Reel $1.01 View $1.13 $1.09 $1.07 $0.983 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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR TCA9554DWT Texas Instruments 1: $3.43 36In Stock 500Expected 5/4/2027	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	36In Stock 500Expected 5/4/2027	Cut Tape $3.43 $2.54 $2.31 $2.07 Reel $1.96 View $1.89 $1.81 $1.80 $1.73 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: $1.89 380In Stock 750Expected 8/3/2027	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	380In Stock 750Expected 8/3/2027	Cut Tape $1.89 $1.39 $1.25 $1.11 Reel $1.04 View $0.978 $0.942 $0.929 MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Repeaters	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - Signal Buffers, Repeaters LevelTranslating I2C Bus Buffer/Repeater A 595-TCA9801DGKR TCA9801DGKT Texas Instruments 1: $1.89 333In Stock 2,250Expected 10/5/2027	Mfr. Part No. TCA9801DGKT Mouser Part No 595-TCA9801DGKT	Texas Instruments	Interface - Signal Buffers, Repeaters LevelTranslating I2C Bus Buffer/Repeater A 595-TCA9801DGKR Learn More about Texas Instruments ti tca9801 buffer repeater	Datasheet	333In Stock 2,250Expected 10/5/2027	Cut Tape $1.89 $1.39 $1.25 $1.11 Reel $1.04 View $0.978 $0.942 $0.91 $0.895 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: $2.19 3,190In 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	3,190In Stock 84,000On Order On Order Ship Dates Mfr. No: PI4IOE5V6416ZDEX Stock: 3,190 Can Dispatch Immediately On Order: 21,000 Expected 26/5/2027 28,000 Expected 6/3/2028 35,000 Expected 31/3/2028 Factory Lead Time: 48 Weeks	Cut Tape $2.19 $1.59 $1.35 $1.28 View Reel $0.908 $1.05 $1.01 $0.963 $0.908 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: $1.97 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	$1.97 $1.43 $1.23 $1.07 View $1.04 $1.02 $0.998 $0.986 $0.976	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: $1.97 1,109In 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	1,109In Stock	Cut Tape $1.97 $1.43 $1.25 $1.14 View Reel $0.907 $1.10 $1.08 $1.05 $0.907	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: $1.97 865In Stock 7,000Expected 6/3/2028	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	865In Stock 7,000Expected 6/3/2028	Cut Tape $1.97 $1.43 $1.25 $1.14 $1.10 Reel $1.10 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: $1.71 1,996In 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	1,996In Stock 2,500Expected 20/10/2027	Cut Tape $1.71 $1.23 $1.08 $0.979 Reel $0.979 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: $1.84 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	$1.84 $1.33 $1.18 $1.15 View $0.993 $0.952 $0.91 $0.884 $0.864	Min.: 1 Mult.: 1	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: $2.24 1,925In Stock 7,000Expected 17/3/2028	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	1,925In Stock 7,000Expected 17/3/2028	Cut Tape $2.24 $1.65 $1.40 $1.32 Reel $1.32 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: $1.97 194In Stock	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	Cut Tape $1.97 $1.44 $1.30 $1.15 Reel $0.922 View $1.08 $1.04 $1.01 $0.881 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: $2.82 706In Stock 5,000Expected 18/11/2026	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	706In Stock 5,000Expected 18/11/2026	Cut Tape $2.82 $2.09 $1.90 $1.70 $1.67 Reel $1.41 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: $1.63 1,497In Stock 8,000Expected 14/1/2027	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 14/1/2027	Cut Tape $1.63 $1.17 $1.05 $0.928 View Reel $0.748 $0.866 $0.83 $0.804 $0.768 $0.748 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	XQFN-8
Interface - Signal Buffers, Repeaters Dual Supply Level translating I2C-bus repeater PCA9517ATP,147 NXP Semiconductors 1: $2.43 21In Stock 84,000On Order	Mfr. Part No. PCA9517ATP,147 Mouser Part No 771-PCA9517ATP147	NXP Semiconductors	Interface - Signal Buffers, Repeaters Dual Supply Level translating I2C-bus repeater	Datasheet	21In Stock 84,000On Order On Order Ship Dates Mfr. No: PCA9517ATP,147 Stock: 21 Can Dispatch Immediately On Order: 44,000 Expected 28/12/2026 40,000 Expected 4/1/2027 Factory Lead Time: 21 Weeks	Cut Tape $2.43 $1.78 $1.62 $1.44 View Reel $1.19 $1.35 $1.30 $1.29 $1.21 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Signal Buffers, Repeaters	Repeaters	Voltage Level Translators	I2C	SMD/SMT	HWSON-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: $3.66 875In Stock 12,000Expected 2/11/2026	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	875In Stock 12,000Expected 2/11/2026	Cut Tape $3.66 $2.72 $2.48 $2.22 View Reel $1.86 $2.09 $2.03 $1.94 $1.92 $1.86 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: $3.48 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 7/6/2027 10,000 Expected 14/6/2027 Factory Lead Time: 30 Weeks	Cut Tape $3.48 $2.58 $2.35 $2.11 View Reel $1.75 $2.00 $1.92 $1.85 $1.75 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24