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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 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package PCAL9538APWJ NXP Semiconductors 1: $2.11 18,485In Stock	Mfr. Part No. PCAL9538APWJ Mouser Part No 771-PCAL9538APWJ	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package	Datasheet	18,485In Stock	Cut Tape $2.11 $1.58 $1.43 $1.33 View Reel $1.14 $1.25 $1.21 $1.18 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders			I2C, Serial	SMD/SMT	TSSOP-16
Interface - Signal Buffers, Repeaters I2C Bus Extender P82B715P Texas Instruments 1: $3.89 869In Stock	Mfr. Part No. P82B715P Mouser Part No 595-P82B715P	Texas Instruments	Interface - Signal Buffers, Repeaters I2C Bus Extender	Datasheet	869In Stock	$3.89 $2.94 $2.55 $2.41 View $2.30 $2.23 $2.17 $2.10 $2.07	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Bus Extenders	I2C Bus	I2C	Through Hole	PDIP-8
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ARGVR Texas Instruments 1: $4.25 2,942In 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	2,942In Stock	Cut Tape $4.25 $3.22 $2.96 $2.68 View Reel $2.47 $2.64 $2.59 $2.47 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 3,534In 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	3,534In Stock	Cut Tape $3.27 $2.45 $2.24 $2.01 Reel $1.72 View $1.90 $1.86 $1.81 $1.61 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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR PCA9535DW Texas Instruments 1: $5.32 514In Stock	Mfr. Part No. PCA9535DW Mouser Part No 595-PCA9535DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR	Datasheet	514In Stock	$5.32 $4.17 $3.54 $3.38 View $3.21 $3.14 $3.12 $3.11 Quote	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DW PCA9538DWR Texas Instruments 1: $4.04 1,135In 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	1,135In Stock	Cut Tape $4.04 $3.05 $2.80 $2.53 View Reel $2.18 $2.40 $2.38 $2.24 $2.18 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: $4.24 1,424In 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	1,424In Stock	Cut Tape $4.24 $3.20 $2.94 $2.65 Reel $2.34 View $2.51 $2.50 $2.34 $2.31 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: $4.24 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 $4.24 $3.20 $2.94 $2.65 View Reel $2.29 $2.51 $2.50 $2.34 $2.29 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 1,825In 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	1,825In Stock	Cut Tape $4.11 $3.11 $2.86 $2.59 Reel $2.30 View $2.46 $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 2,334In 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	2,334In 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 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557D PCA9557DR Texas Instruments 1: $1.75 2,290In 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	2,290In Stock	Cut Tape $1.75 $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: $3.15 2,346In 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	2,346In Stock	Cut Tape $3.15 $2.35 $2.15 $1.93 Reel $1.67 View $1.82 $1.78 $1.69 $1.66 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 461In Stock 2,000On Order	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	461In Stock 2,000On Order	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 1,016In Stock 6,000Expected 08/02/2027	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	1,016In Stock 6,000Expected 08/02/2027	Cut Tape $3.69 $2.78 $2.55 $2.30 Reel $1.98 View $2.18 $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 508In 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	508In Stock	Cut Tape $5.00 $4.96 $4.59 $4.25 $3.81 Reel $3.46 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-PCF8575PW PCF8575PWR Texas Instruments 1: $2.57 7,412In 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	7,412In Stock	Cut Tape $2.57 $1.92 $1.75 $1.57 Reel $1.39 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: $2.60 1,952In 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	1,952In Stock	Cut Tape $2.60 $1.93 $1.76 $1.58 Reel $1.35 View $1.49 $1.44 $1.38 $1.22 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: $3.04 3,556In 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	3,556In Stock	Cut Tape $3.04 $2.30 $2.12 $1.91 Reel $1.69 View $1.81 $1.78 $1.75 $1.61 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: $1.30 13,796In Stock	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	13,796In Stock	Cut Tape $1.30 $0.942 $0.854 $0.756 View Reel $0.633 $0.709 $0.69 $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: $2.68 7,651In Stock	Mfr. Part No. TCA9539RGER Mouser Part No 595-TCA9539RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux	Datasheet	7,651In Stock	Cut Tape $2.68 $2.00 $1.83 $1.64 Reel $1.43 View $1.55 $1.40 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 3,889In 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	3,889In Stock	Cut Tape $1.60 $1.17 $1.07 $0.944 Reel $0.812 View $0.888 $0.854 $0.847 $0.775 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 3,580In 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	3,580In Stock	Cut Tape $1.27 $0.915 $0.803 $0.731 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 12,104In 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	12,104In Stock 4,150On Order	$9.92 $7.98 $6.79 $6.56 View $6.23 $6.09 $6.05	Min.: 1 Mult.: 1	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: $21.53 524In 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	524In Stock	$21.53 $17.10 $16.37 $15.11 View $14.41 $14.15	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	SSOP-36
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+ Analog Devices / Maxim Integrated 1: $12.88 306In Stock	Mfr. Part No. MAX7311AWG+ Mouser Part No 700-MAX7311AWG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	306In Stock	$12.88 $10.09 $9.39 $8.62 View $8.53 $7.73 $7.57 Quote	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24