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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 (USD) 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 & Lo- Pwr I/O Expander PCA9534ARGVR Texas Instruments 1: $3.80 2,968In Stock	Mfr. Part No. PCA9534ARGVR Mouser Part No 595-PCA9534ARGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	2,968In Stock	Cut Tape $3.80 $2.87 $2.64 $2.38 Reel $2.06 View $2.26 $2.24 $2.13 $2.02 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-16
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW PCA9534DWR Texas Instruments 1: $3.27 3,597In Stock	Mfr. Part No. PCA9534DWR Mouser Part No 595-PCA9534DWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534DW	Datasheet	3,597In Stock	Cut Tape $3.27 $2.45 $2.24 $2.01 Reel $1.72 View $1.90 $1.86 $1.81 $1.60 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 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D PCA9536DR Texas Instruments 1: $1.56 10,314In Stock	Mfr. Part No. PCA9536DR Mouser Part No 595-PCA9536DR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D	Datasheet	10,314In Stock	Cut Tape $1.56 $1.15 $1.04 $0.92 Reel $0.793 View $0.865 $0.832 $0.823 $0.776 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-8
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DW PCA9538DWR Texas Instruments 1: $4.04 1,112In Stock	Mfr. Part No. PCA9538DWR Mouser Part No 595-PCA9538DWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DW	Datasheet	1,112In Stock	Cut Tape $4.04 $3.05 $2.80 $2.54 View Reel $2.17 $2.40 $2.38 $2.24 $2.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	SOIC-16
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB PCA9539DBR Texas Instruments 1: $4.00 1,625In Stock	Mfr. Part No. PCA9539DBR Mouser Part No 595-PCA9539DBR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DB	Datasheet	1,625In Stock	Cut Tape $4.00 $2.98 $2.73 $2.45 Reel $2.08 View $2.31 $2.26 $2.15 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539DGVR Texas Instruments 1: $2.12 1,525In Stock	Mfr. Part No. PCA9539DGVR Mouser Part No 595-PCA9539DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	1,525In Stock	Cut Tape $2.12 $1.97 Reel $1.97 $1.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TVSOP-24
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DW PCA9539DWR Texas Instruments 1: $4.11 2,119In Stock	Mfr. Part No. PCA9539DWR Mouser Part No 595-PCA9539DWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DW	Datasheet	2,119In Stock	Cut Tape $4.11 $3.11 $2.86 $2.59 Reel $2.30 View $2.47 $2.44 $2.36 $2.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander PCA9554ARGVR Texas Instruments 1: $2.95 2,351In Stock	Mfr. Part No. PCA9554ARGVR Mouser Part No 595-PCA9554ARGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	2,351In Stock	Cut Tape $2.95 $2.20 $2.02 $1.81 Reel $1.47 View $1.71 $1.67 $1.63 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-16
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: $3.69 1,041In Stock 4,000On Order	Mfr. Part No. PCA9555DWR Mouser Part No 595-PCA9555DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW	Datasheet	1,041In Stock 4,000On Order	Cut Tape $3.69 $2.76 $2.54 $2.27 Reel $1.87 View $2.15 $2.11 $2.05 $1.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D PCA9557DR Texas Instruments 1: $1.76 2,663In Stock	Mfr. Part No. PCA9557DR Mouser Part No 595-PCA9557DR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D Learn More about Texas Instruments ti pca95xx	Datasheet	2,663In Stock	Cut Tape $1.76 $1.29 $1.17 $1.04 Reel $0.90 View $0.977 $0.94 $0.935 $0.857 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-Narrow-16
Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp PCA9557RGYR Texas Instruments 1: $2.90 2,424In Stock	Mfr. Part No. PCA9557RGYR Mouser Part No 595-PCA9557RGYR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp	Datasheet	2,424In Stock	Cut Tape $2.90 $2.16 $1.98 $1.78 Reel $1.67 View $1.67 $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-16
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDW PCF8575CDWR Texas Instruments 1: $6.78 433In Stock 2,000Expected 2027/01/18	Mfr. Part No. PCF8575CDWR Mouser Part No 595-PCF8575CDWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDW	Datasheet	433In Stock 2,000Expected 2027/01/18	Cut Tape $6.78 $5.20 $4.81 $4.37 View Reel $4.05 $4.16 $4.06 $4.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB PCF8575DBR Texas Instruments 1: $3.69 2,761In Stock	Mfr. Part No. PCF8575DBR Mouser Part No 595-PCF8575DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB	Datasheet	2,761In Stock	Cut Tape $3.69 $2.78 $2.55 $2.30 Reel $1.98 View $2.17 $2.16 $2.05 $1.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575DGVR Texas Instruments 1: $5.00 713In Stock	Mfr. Part No. PCF8575DGVR Mouser Part No 595-PCF8575DGVR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	713In Stock	Cut Tape $5.00 $4.97 $4.59 $4.26 $3.81 Reel $3.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TVSOP-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW PCF8575DWR Texas Instruments 1: $3.13 857In Stock 4,000Expected 2026/12/07	Mfr. Part No. PCF8575DWR Mouser Part No 595-PCF8575DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW	Datasheet	857In Stock 4,000Expected 2026/12/07	Cut Tape $3.13 $2.35 $2.15 $1.94 Reel $1.66 View $1.83 $1.80 $1.76 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW PCF8575PWR Texas Instruments 1: $2.57 8,424In Stock	Mfr. Part No. PCF8575PWR Mouser Part No 595-PCF8575PWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW	Datasheet	8,424In Stock	Cut Tape $2.57 $1.92 $1.76 $1.57 Reel $1.40 View $1.49 $1.44 $1.41 $1.35 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A ALT 595-PCF8575PWR PCF8575PWRE4 Texas Instruments 1: $2.61 1,897In Stock	Mfr. Part No. PCF8575PWRE4 Mouser Part No 595-PCF8575PWRE4	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A ALT 595-PCF8575PWR	Datasheet	1,897In Stock	Cut Tape $2.61 $1.93 $1.76 $1.58 Reel $1.35 View $1.49 $1.44 $1.38 $1.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575RGER Texas Instruments 1: $3.13 3,631In Stock	Mfr. Part No. PCF8575RGER Mouser Part No 595-PCF8575RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3,631In Stock	Cut Tape $3.13 $2.35 $2.15 $1.94 Reel $1.69 View $1.83 $1.80 $1.76 $1.62 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-24
Interface - Signal Buffers, Repeaters Level-Translting I2C Bus Repeater TCA9517DR Texas Instruments 1: $1.26 5,978In Stock 10,000Expected 2026/10/09	Mfr. Part No. TCA9517DR Mouser Part No 595-TCA9517DR	Texas Instruments	Interface - Signal Buffers, Repeaters Level-Translting I2C Bus Repeater Learn More about Texas Instruments ti tca9517 repeater	Datasheet	5,978In Stock 10,000Expected 2026/10/09	Cut Tape $1.26 $0.98 $0.887 $0.784 View Reel $0.633 $0.742 $0.718 $0.70 $0.633 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Repeaters	TCA	I2C, SMBus	SMD/SMT	SOIC-8
Interface - I/O Expanders Remote 16bit I2C and SMBux TCA9539RGER Texas Instruments 1: $2.37 11,585In Stock	Mfr. Part No. TCA9539RGER Mouser Part No 595-TCA9539RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux	Datasheet	11,585In Stock	Cut Tape $2.37 $1.76 $1.60 $1.44 Reel $1.21 View $1.36 $1.33 $1.27 $1.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VQFN-24
Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander TCA9554ADBQR Texas Instruments 1: $1.60 3,935In Stock	Mfr. Part No. TCA9554ADBQR Mouser Part No 595-TCA9554ADBQR	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	3,935In Stock	Cut Tape $1.60 $1.17 $1.07 $0.944 Reel $0.812 View $0.889 $0.854 $0.847 $0.776 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 - Signal Buffers, Repeaters Interface I2C Hot Swappable PI6ULS5V9511AZWEX Diodes Incorporated 1: $1.27 3,748In Stock	Mfr. Part No. PI6ULS5V9511AZWEX Mouser Part No 729-PI6ULS5V9511AZWE	Diodes Incorporated	Interface - Signal Buffers, Repeaters Interface I2C Hot Swappable Learn More about Diodes Incorporated diodes pi6uls5v9511a buffers	Datasheet	3,748In Stock	Cut Tape $1.27 $0.915 $0.804 $0.732 Reel $0.657 View $0.707 $0.692 $0.677 $0.591 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Signal Buffers, Repeaters	Buffers	Hot Swappable	I2C	SMD/SMT	UDFN-8
Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin LTC4313IMS8-3#PBF Analog Devices 1: $9.92 12,509In Stock 4,150On Order	Mfr. Part No. LTC4313IMS8-3#PBF Mouser Part No 584-LTC4313IMS8-3PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin	Datasheet	12,509In Stock 4,150On Order	$9.92 $7.98 $6.79 $6.56 View $6.23 $6.09 $6.05	Min.: 1 Mult.: 1 Max.: 10,007	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300AAX+ Analog Devices / Maxim Integrated 1: $21.54 534In Stock	Mfr. Part No. MAX7300AAX+ Mouser Part No 700-MAX7300AAX	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	534In Stock	$21.54 $17.11 $16.38 $15.11 $14.41	Min.: 1 Mult.: 1 Max.: 427	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	SSOP-36
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+T Analog Devices / Maxim Integrated 1: $18.61 1,381In Stock	Mfr. Part No. MAX7300ATL+T Mouser Part No 700-MAX7300ATL+T	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	1,381In Stock	Cut Tape $18.61 $14.78 $13.83 $12.79 View $12.22 $12.10 $12.08 $12.08 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,104	I/O Expanders			I2C, Serial	SMD/SMT	TQFN-40