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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 (GBP) 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 PCA9534RGVR Texas Instruments 1: £1.64 114In Stock 30,000On Order	Mfr. Part No. PCA9534RGVR Mouser Part No 595-PCA9534RGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	114In Stock 30,000On Order On Order Ship Dates Mfr. No: PCA9534RGVR Stock: 114 Can Dispatch Immediately On Order: 7,500 Expected 01/02/2027 15,000 Expected 08/03/2027 7,500 Expected 15/03/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.64 £1.21 £1.11 £0.995 View Reel £0.862 £0.917 £0.882 £0.862 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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9535DGVR Texas Instruments 1: £3.61 92In Stock 2,000Expected 10/05/2027	Mfr. Part No. PCA9535DGVR Mouser Part No 595-PCA9535DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	92In Stock 2,000Expected 10/05/2027	Cut Tape £3.61 £2.72 £2.50 £2.25 View Reel £2.13 £2.14 £2.13 £2.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TVSOP-24
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9535PWR PCA9535PWR Texas Instruments 1: £2.03 197In Stock 4,000Expected 26/11/2026	Mfr. Part No. PCA9535PWR Mouser Part No 595-PCA9535PWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9535PWR	Datasheet	197In Stock 4,000Expected 26/11/2026	Cut Tape £2.03 £1.50 £1.37 £1.23 Reel £1.06 View £1.16 £1.13 £1.10 £1.03 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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9535RGER Texas Instruments 1: £1.58 134In Stock 18,000Expected 11/02/2027	Mfr. Part No. PCA9535RGER Mouser Part No 595-PCA9535RGER	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	134In Stock 18,000Expected 11/02/2027	Cut Tape £1.58 £1.16 £1.07 £0.969 View Reel £0.803 £0.917 £0.882 £0.863 £0.803 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	VQFN-24
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander PCA9536DGKR Texas Instruments 1: £1.20 2,893In Stock 22,500On Order	Mfr. Part No. PCA9536DGKR Mouser Part No 595-PCA9536DGKR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander	Datasheet	2,893In Stock 22,500On Order On Order Ship Dates Mfr. No: PCA9536DGKR Stock: 2,893 Can Dispatch Immediately On Order: 10,000 Expected 08/03/2027 12,500 Expected 01/04/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.20 £0.882 £0.796 £0.705 View Reel £0.594 £0.663 £0.636 £0.63 £0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D PCA9536DR Texas Instruments 1: £1.17 756In Stock 10,000Expected 28/01/2027	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	756In Stock 10,000Expected 28/01/2027	Cut Tape £1.17 £0.863 £0.78 £0.691 View Reel £0.582 £0.65 £0.624 £0.618 £0.582 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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR PCA9539DB Texas Instruments 1: £3.69 70In Stock	Mfr. Part No. PCA9539DB Mouser Part No 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	£3.69 £2.82 £2.60 £2.34 View £2.23 £2.17 £2.16	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: £3.60 270In Stock	Mfr. Part No. PCA9539DW Mouser Part No 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	270In Stock	£3.60 £2.80 £2.37 £2.24 View £2.12 £2.05 £2.02	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander PCA9554ADGVR Texas Instruments 1: £2.51 69In Stock	Mfr. Part No. PCA9554ADGVR Mouser Part No 595-PCA9554ADGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	69In Stock	Cut Tape £2.51 £1.88 £1.71 £1.54 View Reel £1.21 £1.46 £1.44 £1.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TVSOP-16
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB PCA9555DBR Texas Instruments 1: £1.79 84In Stock 8,000On Order	Mfr. Part No. PCA9555DBR Mouser Part No 595-PCA9555DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB	Datasheet	84In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DBR Stock: 84 Can Dispatch Immediately On Order: 4,000 Expected 21/01/2027 4,000 Expected 22/04/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.79 £1.33 £1.21 £1.09 View Reel £0.908 £1.03 £0.995 £0.978 £0.908 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 A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: £3.00 65In Stock 8,000On 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	65In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DWR Stock: 65 Can Dispatch Immediately On Order: 4,000 Expected 03/04/2028 4,000 TBD Factory Lead Time: 26 Weeks	Cut Tape £3.00 £2.28 £2.09 £1.89 View Reel £1.61 £1.80 £1.78 £1.68 £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-24
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR PCA9555PWR Texas Instruments 1: £1.79 116In Stock 16,000On Order	Mfr. Part No. PCA9555PWR Mouser Part No 595-PCA9555PWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander R R 595-TCA9555PWR	Datasheet	116In Stock 16,000On Order On Order Ship Dates Mfr. No: PCA9555PWR Stock: 116 Can Dispatch Immediately On Order: 6,000 Expected 08/01/2027 10,000 Expected 01/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.79 £1.33 £1.21 £1.09 View Reel £0.908 £1.00 £0.995 £0.908 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 A 595-PCF8575CPW PCF8575CPWR Texas Instruments 1: £5.30 94In Stock	Mfr. Part No. PCF8575CPWR Mouser Part No 595-PCF8575CPWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW	Datasheet	94In Stock	Cut Tape £5.30 £4.06 £3.75 £3.41 View Reel £3.20 £3.26 £3.20 £3.20 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 A 595-PCF8575DW PCF8575DWR Texas Instruments 1: £2.35 321In Stock 4,000Expected 24/12/2026	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	321In Stock 4,000Expected 24/12/2026	Cut Tape £2.35 £1.76 £1.62 £1.46 Reel £1.25 View £1.37 £1.35 £1.34 £1.22 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 - Signal Buffers, Repeaters 6-Gbps DP++ 1.1 to H DMI 2.0 retimer -40 A 595-SN65DP159RSBR SN65DP159RSBT Texas Instruments 1: £7.46 123In Stock 500Expected 23/11/2026	Mfr. Part No. SN65DP159RSBT Mouser Part No 595-SN65DP159RSBT	Texas Instruments	Interface - Signal Buffers, Repeaters 6-Gbps DP++ 1.1 to H DMI 2.0 retimer -40 A 595-SN65DP159RSBR	Datasheet	123In Stock 500Expected 23/11/2026	Cut Tape £7.46 £5.82 £5.40 £4.96 Reel £4.76 MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Retimers	DisplayPort to HDMI Retimer	2-Wire, I2C	SMD/SMT	WQFN-40
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Buffers TCA4311ADGKR Texas Instruments 1: £2.65 11In Stock 5,000On Order	Mfr. Part No. TCA4311ADGKR Mouser Part No 595-TCA4311ADGKR	Texas Instruments	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Buffers	Datasheet	11In Stock 5,000On Order On Order Ship Dates Mfr. No: TCA4311ADGKR Stock: 11 Can Dispatch Immediately On Order: 2,500 Expected 31/12/2026 2,500 Expected 13/05/2027 Factory Lead Time: 26 Weeks	Cut Tape £2.65 £1.99 £1.82 £1.62 View Reel £1.39 £1.53 £1.51 £1.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Buffers		2-Wire Bus	SMD/SMT	VSSOP-8
Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus TCA6408AQPWRQ1 Texas Instruments 1: £1.89 109In Stock 6,000Expected 06/11/2026	Mfr. Part No. TCA6408AQPWRQ1 Mouser Part No 595-TCA6408AQPWRQ1	Texas Instruments	Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus	Datasheet	109In Stock 6,000Expected 06/11/2026	Cut Tape £1.89 £1.41 £1.29 £1.15 View Reel £0.96 £1.04 £1.00 £0.986 £0.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp TCA6416APWR Texas Instruments 1: £1.54 7In Stock 12,000On Order	Mfr. Part No. TCA6416APWR Mouser Part No 595-TCA6416APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp	Datasheet	7In Stock 12,000On Order On Order Ship Dates Mfr. No: TCA6416APWR Stock: 7 Can Dispatch Immediately On Order: 6,000 Expected 26/11/2026 6,000 Expected 22/03/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.54 £1.13 £1.04 £0.925 View Reel £0.78 £0.871 £0.841 £0.826 £0.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander TCA6416ARTWR Texas Instruments 1: £1.78 119In Stock 27,000Expected 17/12/2026	Mfr. Part No. TCA6416ARTWR Mouser Part No 595-TCA6416ARTWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander	Datasheet	119In Stock 27,000Expected 17/12/2026	Cut Tape £1.78 £1.32 £1.20 £1.08 View Reel £0.899 £0.995 £0.969 £0.899 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	WQFN-24
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT TCA9534ADWR Texas Instruments 1: £1.29 167In Stock 10,000On Order	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	167In Stock 10,000On Order On Order Ship Dates Mfr. No: TCA9534ADWR Stock: 167 Can Dispatch Immediately On Order: 4,000 Expected 21/12/2026 6,000 Expected 14/06/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.29 £0.952 £0.863 £0.773 View Reel £0.647 £0.721 £0.695 £0.691 £0.647 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: £1.66 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 £1.66 £1.23 £1.12 £0.995 Reel £0.969 View £0.882 £0.863 £0.841 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: £1.96 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 £1.96 £1.47 £1.34 £1.20 Reel £1.13 View £1.07 £1.02 £1.00 £0.995 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: £1.50 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: 6,000 Expected 13/11/2026 12,000 Expected 23/11/2026 14,000 Expected 29/03/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.50 £1.10 £1.00 £0.899 View Reel £0.738 £0.834 £0.803 £0.738 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: £1.56 336In Stock 4,000Expected 23/11/2026	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	336In Stock 4,000Expected 23/11/2026	Cut Tape £1.56 £1.18 £1.08 £0.978 Reel £0.871 View £0.925 £0.917 £0.849 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: £1.13 1,067In Stock 2,000Expected 23/11/2026	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	1,067In Stock 2,000Expected 23/11/2026	Cut Tape £1.13 £0.826 £0.748 £0.663 Reel £0.555 View £0.624 £0.60 £0.58 £0.543 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-16