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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 I C Port Expander with 12 Push-Pull Outp MAX7327AATG+ Analog Devices / Maxim Integrated 1: £2.91 3In Stock	Mfr. Part No. MAX7327AATG+ Mouser Part No 700-MAX7327AATG+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp	Datasheet	3In Stock	£2.91 £2.85 £2.83	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial	SMD/SMT	TQFN-EP-24
Interface - I/O Expanders I2C I/O EXPANDER GP PCA9554PW,112 NXP Semiconductors 1: £1.48 5In Stock	Mfr. Part No. PCA9554PW,112 Mouser Part No 771-PCA9554PW112	NXP Semiconductors	Interface - I/O Expanders I2C I/O EXPANDER GP	Datasheet	5In Stock	£1.48 £1.09 £0.995 £0.882 View £0.826 £0.796 £0.746 £0.73	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - Signal Buffers, Repeaters 8.5 to 11.3-Gbps 16 channel retimer 196- A 595-10DF1610FBE/NOPB DS110DF1610FB/NOPB Texas Instruments 1: £59.29 8In Stock	Mfr. Part No. DS110DF1610FB/NOPB Mouser Part No 595-110DF1610FB/NOPB	Texas Instruments	Interface - Signal Buffers, Repeaters 8.5 to 11.3-Gbps 16 channel retimer 196- A 595-10DF1610FBE/NOPB	Datasheet	8In Stock	£59.29 £48.97 £46.38 £45.81	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Retimers	Multi-Rate Retimer	JTAG, SMBus	SMD/SMT	FCBGA-196
PCI Interface IC PCIe® 4.0 1 6-Gbps 4-chann DS160PR421RUAT DS160PR421RUAR Texas Instruments 1: £5.76 262In Stock	Mfr. Part No. DS160PR421RUAR Mouser Part No 595-DS160PR421RUAR	Texas Instruments	PCI Interface IC PCIe® 4.0 1 6-Gbps 4-chann DS160PR421RUAT Learn More about Texas Instruments ti ds160pr421 linear redrivers	Datasheet	262In Stock	Cut Tape £5.76 £4.43 £4.10 £3.75 £3.55 Reel £3.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCI Interface IC	Redrivers	Switch - PCIe	PCIe	SMD/SMT	WQFN-42
Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand Analog Devices ADP5587ACBZ-R7 ADP5587ACBZ-R7 Analog Devices 1: £3.00 115In Stock	Mfr. Part No. ADP5587ACBZ-R7 Mouser Part No 584-ADP5587ACBZ-R7	Analog Devices	Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand	Datasheet	115In Stock	Cut Tape £3.00 £2.28 £2.09 £1.89 £1.62 View £1.79 £1.77 £1.65 £1.59 MouseReel Available	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial	SMD/SMT	WLCSP-25
Interface - Signal Buffers, Repeaters I2C Bus Extender A 5 95-P82B715D A 595-P A 595-P82B715D P82B715DR Texas Instruments 1: £1.92 99,079On Order	Mfr. Part No. P82B715DR Mouser Part No 595-P82B715DR	Texas Instruments	Interface - Signal Buffers, Repeaters I2C Bus Extender A 5 95-P82B715D A 595-P A 595-P82B715D	Datasheet	99,079On Order On Order Ship Dates Mfr. No: P82B715DR Stock: 0 On Order: 26,579 Expected 18/03/2027 37,500 Expected 10/06/2027 35,000 Expected 14/06/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.92 £1.42 £1.31 £1.17 View Reel £0.978 £1.10 £1.08 £1.07 £0.978 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Bus Extenders	I2C Bus	I2C/Logic	SMD/SMT	SOIC-8
Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander PCA9534ARGTR Texas Instruments 1: £1.68 16,859Expected 07/01/2027	Mfr. Part No. PCA9534ARGTR Mouser Part No 595-PCA9534ARGTR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander	Datasheet	16,859Expected 07/01/2027	Cut Tape £1.68 £1.27 £1.17 £1.04 View Reel £0.952 £1.00 £0.969 £0.952 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 PCA9555RGER Texas Instruments 1: £1.96 12,000On Order	Mfr. Part No. PCA9555RGER Mouser Part No 595-PCA9555RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	12,000On Order On Order Ship Dates Mfr. No: PCA9555RGER Stock: 0 On Order: 3,000 Expected 08/01/2027 9,000 Expected 12/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.96 £1.45 £1.32 £1.22 View Reel £1.04 £1.20 £1.13 £1.04 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 and SMBus LP I/O Exp PCA9557RGVR Texas Instruments 1: £1.51 22,357On Order	Mfr. Part No. PCA9557RGVR Mouser Part No 595-PCA9557RGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus LP I/O Exp Learn More about Texas Instruments ti pca95xx	Datasheet	22,357On Order On Order Ship Dates Mfr. No: PCA9557RGVR Stock: 0 On Order: 2,357 Expected 10/12/2026 10,000 Expected 25/12/2026 10,000 Expected 14/01/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.51 £1.11 £1.01 £0.89 View Reel £0.759 £0.841 £0.811 £0.759 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 Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408ARSVR Texas Instruments 1: £0.773 78,593On Order	Mfr. Part No. TCA6408ARSVR Mouser Part No 595-TCA6408ARSVR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	78,593On Order On Order Ship Dates Mfr. No: TCA6408ARSVR Stock: 0 On Order: 3,593 Expected 17/12/2026 9,000 Expected 18/12/2026 12,000 Expected 14/01/2027 15,000 Expected 08/02/2027 39,000 Expected 04/03/2027 Factory Lead Time: 26 Weeks	Cut Tape £0.773 £0.555 £0.501 £0.442 View Reel £0.365 £0.413 £0.396 £0.385 £0.365 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	UQFN-16
Interface - Signal Buffers, Repeaters Level-Translating I2 C Bus Repeater TCA9517DGKR Texas Instruments 1: £1.15 66,281On Order	Mfr. Part No. TCA9517DGKR Mouser Part No 595-TCA9517DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters Level-Translating I2 C Bus Repeater Learn More about Texas Instruments ti tca9517 repeater	Datasheet	66,281On Order On Order Ship Dates Mfr. No: TCA9517DGKR Stock: 0 On Order: 16,281 Expected 07/01/2027 27,500 Expected 15/01/2027 22,500 Expected 11/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.15 £0.849 £0.766 £0.677 View Reel £0.559 £0.646 £0.632 £0.597 £0.559 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Repeaters		I2C	SMD/SMT	VSSOP-8
Interface - I/O Expanders Remote 16bit I2C and SMBux TCA9535RGER Texas Instruments 1: £1.46 56,080On Order	Mfr. Part No. TCA9535RGER Mouser Part No 595-TCA9535RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux Learn More about Texas Instruments ti tca9535 expander	Datasheet	56,080On Order On Order Ship Dates Mfr. No: TCA9535RGER Stock: 0 On Order: 26,080 Expected 24/12/2026 3,000 Expected 31/12/2026 27,000 Expected 07/01/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.46 £1.07 £0.986 £0.882 Reel £0.726 View £0.826 £0.796 £0.712 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 Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9535RTWR Texas Instruments 1: £1.26 74,039On Order	Mfr. Part No. TCA9535RTWR Mouser Part No 595-TCA9535RTWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander Learn More about Texas Instruments ti tca9535 expander	Datasheet	74,039On Order On Order Ship Dates Mfr. No: TCA9535RTWR Stock: 0 On Order: 29,039 Expected 17/12/2026 45,000 Expected 04/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.26 £0.925 £0.841 £0.742 Reel £0.624 View £0.698 £0.671 £0.667 £0.622 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	WQFN-24
Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu TCA9539AQPWRQ1 Texas Instruments 1: £1.95 16,159On Order New Product	Mfr. Part No. TCA9539AQPWRQ1 Mouser Part No 595-TCA9539AQPWRQ1 New Product	Texas Instruments	Interface - I/O Expanders Automotive 16-bit 1. 65 to 3.6V I2C/SMBu Learn More about Texas Instruments ti tca9539x q1 i2c smbus io expander	Datasheet	16,159On Order On Order Ship Dates Mfr. No: TCA9539AQPWRQ1 Stock: 0 On Order: 4,159 Expected 07/01/2027 12,000 Expected 01/03/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.95 £1.44 £1.32 £1.19 View Reel £0.995 £1.12 £1.09 £0.995 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders			I2C	SMD/SMT	TSSOP-24
Interface - I/O Expanders Automotive Low Volta ge 16bit TCA9539QPWRQ1 Texas Instruments 1: £3.02 24,815On Order	Mfr. Part No. TCA9539QPWRQ1 Mouser Part No 595-TCA9539QPWRQ1	Texas Instruments	Interface - I/O Expanders Automotive Low Volta ge 16bit	Datasheet	24,815On Order On Order Ship Dates Mfr. No: TCA9539QPWRQ1 Stock: 0 On Order: 14,815 Expected 24/12/2026 2,000 Expected 07/01/2027 8,000 Expected 21/01/2027 Factory Lead Time: 26 Weeks	Cut Tape £3.02 £2.28 £2.10 £1.89 View Reel £1.65 £1.80 £1.79 £1.65 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 1.65 to 5.5V 16-bit I2C TCA9555RGER Texas Instruments 1: £1.69 32,988Expected 21/01/2027	Mfr. Part No. TCA9555RGER Mouser Part No 595-TCA9555RGER	Texas Instruments	Interface - I/O Expanders 1.65 to 5.5V 16-bit I2C Learn More about Texas Instruments ti tca9555 io expander	Datasheet	32,988Expected 21/01/2027	Cut Tape £1.69 £1.26 £1.14 £1.02 View Reel £0.863 £0.96 £0.934 £0.863 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 16B I2C & SMB us I/O Expander TCA9555RTWR Texas Instruments 1: £1.48 14,963Expected 31/12/2026	Mfr. Part No. TCA9555RTWR Mouser Part No 595-TCA9555RTWR	Texas Instruments	Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander Learn More about Texas Instruments ti tca9555 io expander	Datasheet	14,963Expected 31/12/2026	Cut Tape £1.48 £1.10 £0.995 £0.89 View Reel £0.759 £0.841 £0.811 £0.759 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	WQFN-24
Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9803DGKT TCA9803DGKR Texas Instruments 1: £0.952 24,769On Order	Mfr. Part No. TCA9803DGKR Mouser Part No 595-TCA9803DGKR	Texas Instruments	Interface - Signal Buffers, Repeaters 2-bit level-translat ing 400-kHz I2C/SMB A 595-TCA9803DGKT Learn More about Texas Instruments ti tca9803 buffer repeater	Datasheet	24,769On Order On Order Ship Dates Mfr. No: TCA9803DGKR Stock: 0 On Order: 12,269 Expected 11/12/2026 12,500 Expected 01/02/2027 Factory Lead Time: 26 Weeks	Cut Tape £0.952 £0.687 £0.581 £0.512 View Reel £0.422 £0.48 £0.462 £0.45 £0.422 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Buffers	I2C Bus	I2C, SMBus	SMD/SMT	VSSOP-8
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package PCA6408AHKX NXP Semiconductors 1: £0.917 244,985On Order	Mfr. Part No. PCA6408AHKX Mouser Part No 771-PCA6408AHKX	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	244,985On Order On Order Ship Dates Mfr. No: PCA6408AHKX Stock: 0 On Order: 72,985 Expected 31/05/2027 68,000 Expected 06/09/2027 104,000 Expected 22/11/2027 Factory Lead Time: 30 Weeks	Cut Tape £0.917 £0.663 £0.599 £0.53 View Reel £0.432 £0.497 £0.477 £0.461 £0.453 £0.432 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	XQFN-16
Interface - Signal Buffers, Repeaters Dual Supply Hot swappable level translating I2C-bus repeater PCA9508DP,118 NXP Semiconductors 1: £2.28 9,193On Order	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	9,193On Order On Order Ship Dates Mfr. No: PCA9508DP,118 Stock: 0 On Order: 1,693 Expected 01/12/2026 7,500 Expected 15/02/2027 Factory Lead Time: 27 Weeks	Cut Tape £2.28 £1.71 £1.52 £1.38 Reel £1.17 View £1.31 £1.27 £1.23 £1.15 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 repeater PCA9517ATP,147 NXP Semiconductors 1: £1.34 83,676On 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	83,676On Order On Order Ship Dates Mfr. No: PCA9517ATP,147 Stock: 0 On Order: 43,676 Expected 28/12/2026 40,000 Expected 04/01/2027 Factory Lead Time: 21 Weeks	Cut Tape £1.34 £0.986 £0.89 £0.796 View Reel £0.655 £0.746 £0.718 £0.715 £0.67 £0.655 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Signal Buffers, Repeaters	Repeaters	Voltage Level Translators	I2C	SMD/SMT	HWSON-8
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package PCA9535CHF,118 NXP Semiconductors 1: £1.92 11,191On Order	Mfr. Part No. PCA9535CHF,118 Mouser Part No 771-PCA9535CHF118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package	Datasheet	11,191On Order On Order Ship Dates Mfr. No: PCA9535CHF,118 Stock: 0 On Order: 5,191 Expected 07/12/2026 6,000 Expected 04/02/2027 Factory Lead Time: 30 Weeks	Cut Tape £1.92 £1.42 £1.31 £1.17 View Reel £0.995 £1.10 £1.07 £0.995 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	HWQFN-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package PCA9555BS,118 NXP Semiconductors 1: £2.03 18,000Expected 11/01/2027	Mfr. Part No. PCA9555BS,118 Mouser Part No 771-PCA9555BS-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package Learn More about NXP Semiconductors nxpinterface	Datasheet	18,000Expected 11/01/2027	Cut Tape £2.03 £1.52 £1.39 £1.30 View Reel £1.10 £1.22 £1.20 £1.10 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HVQFN-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package PCA9555D,118 NXP Semiconductors 1: £2.06 16,533Expected 01/03/2027	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	16,533Expected 01/03/2027	Cut Tape £2.06 £1.58 £1.45 £1.35 Reel £1.18 View £1.28 £1.26 £1.15 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SO-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package PCA9575HF,118 NXP Semiconductors 1: £2.50 11,996Expected 17/01/2028	Mfr. Part No. PCA9575HF,118 Mouser Part No 771-PCA9575HF	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package	Datasheet	11,996Expected 17/01/2028	Cut Tape £2.50 £1.90 £1.73 £1.55 View Reel £1.33 £1.48 £1.45 £1.33 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HWQFN-24