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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 HVQFN16 package PCAL9538ABSHP NXP Semiconductors 1: $2.23 29,140Expected 10/05/2027	Mfr. Part No. PCAL9538ABSHP Mouser Part No 771-PCAL9538ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package	Datasheet	29,140Expected 10/05/2027	Cut Tape $2.23 $1.65 $1.51 $1.36 View Reel $1.20 $1.30 $1.26 $1.24 $1.22 $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders			I2C, Serial	SMD/SMT	HVQFN-16
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW PCA9534PWR Texas Instruments 1: $1.75 11,723On Order	Mfr. Part No. PCA9534PWR Mouser Part No 595-PCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW	Datasheet	11,723On Order On Order Ship Dates Mfr. No: PCA9534PWR Stock: 0 On Order: 5,723 Expected 01/02/2027 6,000 Expected 18/03/2027 Factory Lead Time: 26 Weeks	Cut Tape $1.75 $1.28 $1.17 $1.04 View Reel $0.883 $0.975 $0.938 $0.934 $0.883 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 Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW PCA9538PWR Texas Instruments 1: $2.12 7,692On Order	Mfr. Part No. PCA9538PWR Mouser Part No 595-PCA9538PWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW	Datasheet	7,692On Order On Order Ship Dates Mfr. No: PCA9538PWR Stock: 0 On Order: 3,692 Expected 06/11/2026 4,000 Expected 16/11/2026 Factory Lead Time: 26 Weeks	Cut Tape $2.12 $1.56 $1.42 $1.27 View Reel $1.04 $1.20 $1.16 $1.10 $1.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9539RGER Texas Instruments 1: $2.26 8,143On Order	Mfr. Part No. PCA9539RGER Mouser Part No 595-PCA9539RGER	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	8,143On Order On Order Ship Dates Mfr. No: PCA9539RGER Stock: 0 On Order: 2,143 Expected 04/02/2027 6,000 Expected 12/02/2027 Factory Lead Time: 26 Weeks	Cut Tape $2.26 $1.67 $1.53 $1.36 View Reel $1.14 $1.29 $1.25 $1.14 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 8B I2C and Lo -Pwr I/O Expander PCA9554ARGTR Texas Instruments 1: $1.67 6,379Expected 08/03/2027	Mfr. Part No. PCA9554ARGTR Mouser Part No 595-PCA9554ARGTR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	6,379Expected 08/03/2027	Cut Tape $1.67 $1.23 $1.12 $0.991 View Reel $0.831 $0.932 $0.897 $0.891 $0.831 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 8B I2C and Lo w-Pwr I/O Expander TCA9534APWR Texas Instruments 1: $1.72 9,955Expected 26/11/2026	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	9,955Expected 26/11/2026	Cut Tape $1.72 $1.27 $1.15 $1.03 View Reel $0.863 $0.961 $0.925 $0.92 $0.863 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: $2.03 1In 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	1In Stock	Cut Tape $2.03 $1.50 $1.37 $1.22 Reel $1.14 View $1.08 $0.936 $0.926 $0.917 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 TCA9535MRGER Texas Instruments 1: $2.04 5,935Expected 23/11/2026	Mfr. Part No. TCA9535MRGER Mouser Part No 595-TCA9535MRGER	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp Learn More about Texas Instruments ti tca9535 expander	Datasheet	5,935Expected 23/11/2026	Cut Tape $2.04 $1.51 $1.38 $1.23 View Reel $1.07 $1.16 $1.12 $1.10 $1.07 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 8B I2C & SMBus L o-Pwr I/O Expander TCA9538PWR Texas Instruments 1: $2.07 9,512Expected 17/12/2026	Mfr. Part No. TCA9538PWR Mouser Part No 595-TCA9538PWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander	Datasheet	9,512Expected 17/12/2026	Cut Tape $2.07 $1.53 $1.39 $1.24 View Reel $1.02 $1.17 $1.15 $1.02 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders			I2C, Serial	SMD/SMT	TSSOP-16
Interface - Signal Buffers, Repeaters Dual Supply Low power level translating I2C-bus/SMBus repeater PCA9509PDP,118 NXP Semiconductors 1: $1.94 2,274Expected 09/11/2026	Mfr. Part No. PCA9509PDP,118 Mouser Part No 771-PCA9509PDP,118	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	2,274Expected 09/11/2026	Cut Tape $1.94 Reel $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Repeaters	I2C, SMBus	I2C, SMBus	SMD/SMT	TSSOP-8
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW/Q900,118 NXP Semiconductors 1: $3.22 2,498On Order	Mfr. Part No. PCA9538PW/Q900,118 Mouser Part No 771-PCA9538PW/Q90011	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	2,498On Order	Cut Tape $3.22 $2.40 $2.19 $1.97 $1.86 Reel $1.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package PCA9555D,118 NXP Semiconductors 1: $2.74 4,695Expected 11/01/2027	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	4,695Expected 11/01/2027	Cut Tape $2.74 $2.10 $1.93 $1.80 Reel $1.57 View $1.71 $1.67 $1.53 $1.50 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 PCA9555PW/SOT355/TSSOP24 PCA9555PWJ Nexperia 1: $1.76 2,452Expected 16/11/2026	Mfr. Part No. PCA9555PWJ Mouser Part No 771-PCA9555PWJ	Nexperia	Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24	Datasheet	2,452Expected 16/11/2026	Cut Tape $1.76 $1.30 $1.18 $1.05 Reel $0.848 View $0.984 $0.947 $0.943 $0.84 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial	SMD/SMT	TSSOP-24
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package PCAL6408AEX1Z NXP Semiconductors 1: $1.52 14,967Expected 22/11/2027	Mfr. Part No. PCAL6408AEX1Z Mouser Part No 771-PCAL6408AEX1Z	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	14,967Expected 22/11/2027	Cut Tape $1.52 $1.17 $1.01 $0.896 View Reel $0.75 $0.842 $0.799 $0.75 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	X2QFN-16
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN24 package PCAL6416AEX1Z NXP Semiconductors 1: $1.64 8,130Expected 14/01/2027	Mfr. Part No. PCAL6416AEX1Z Mouser Part No 841-PCAL6416AEX1Z	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN24 package	Datasheet	8,130Expected 14/01/2027	Cut Tape $1.64 $1.27 $1.10 $0.977 View Reel $0.816 $0.918 $0.882 $0.872 $0.871 $0.816 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	X2QFN-24
Interface - Signal Buffers, Repeaters Dual Bi-Dir I2C-Bus A 595-TPS53015DGS A A 595-TPS53015DGS PCA9515ADRGR Texas Instruments 1: $3.95 2,958Expected 24/12/2026 NRND	Mfr. Part No. PCA9515ADRGR Mouser Part No 595-PCA9515ADRGR NRND	Texas Instruments	Interface - Signal Buffers, Repeaters Dual Bi-Dir I2C-Bus A 595-TPS53015DGS A A 595-TPS53015DGS	Datasheet	2,958Expected 24/12/2026	Cut Tape $3.95 $2.98 $2.74 $2.47 View Reel $2.13 $2.35 $2.33 $2.19 $2.13 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Signal Buffers, Repeaters	Repeaters		I2C	SMD/SMT	WSON-8
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR PCF8575CDW Texas Instruments 1: $7.77 294Expected 08/02/2027	Mfr. Part No. PCF8575CDW Mouser Part No 595-PCF8575CDW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR	Datasheet	294Expected 08/02/2027	$7.77 $6.21 $5.27 $5.05 View $4.78 $4.70 $4.58	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders PCA9535PW/SOT355/TSSOP24 PCA9535PWJ Nexperia 1: $1.82 1,199Expected 20/11/2026	Mfr. Part No. PCA9535PWJ Mouser Part No 771-PCA9535PWJ	Nexperia	Interface - I/O Expanders PCA9535PW/SOT355/TSSOP24	Datasheet	1,199Expected 20/11/2026	Cut Tape $1.82 $1.34 $1.21 $1.08 Reel $0.872 View $1.02 $0.984 $0.982 $0.863 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/SS Microchip Technology 2,100: $1.89 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. MCP23016T-I/SS Mouser Part No 579-MCP23016T-I/SS	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	Non-Stocked Lead-Time 7 Weeks	Reel $1.89	Min.: 2,100 Mult.: 2,100 : 2,100	I/O Expanders			I2C, Serial	SMD/SMT	SSOP-28
Interface - Signal Buffers, Repeaters 8.5 to 11.3-Gbps 16 channel retimer 196- A 595-110DF1610FB/NOPB DS110DF1610FBE/NOPB Texas Instruments 126: $53.41 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS110DF1610FBE/NOPB Mouser Part No 595-10DF1610FBE/NOPB	Texas Instruments	Interface - Signal Buffers, Repeaters 8.5 to 11.3-Gbps 16 channel retimer 196- A 595-110DF1610FB/NOPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	$53.41	Min.: 126 Mult.: 126	Signal Buffers, Repeaters	Retimers	Multi-Rate Retimer	JTAG, SMBus	SMD/SMT	FCBGA-196
Interface - Signal Buffers, Repeaters Quad CH Retimer 10Gb E A 595-DS100RT410S A 595-DS100RT410SQNPB DS100RT410SQE/NOPB Texas Instruments 250: $22.71 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS100RT410SQE/NOPB Mouser Part No 595-DS100RT410SQENPB	Texas Instruments	Interface - Signal Buffers, Repeaters Quad CH Retimer 10Gb E A 595-DS100RT410S A 595-DS100RT410SQNPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $22.71	Min.: 250 Mult.: 250 : 250	Signal Buffers, Repeaters	Retimers		I2C SMBus	SMD/SMT	WQFN-48
Interface - Signal Buffers, Repeaters Quad CH Retimer 10Gb E A 595-DS100RT410S A 595-DS100RT410SQENPB DS100RT410SQ/NOPB Texas Instruments 1,000: $19.63 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS100RT410SQ/NOPB Mouser Part No 595-DS100RT410SQNPB	Texas Instruments	Interface - Signal Buffers, Repeaters Quad CH Retimer 10Gb E A 595-DS100RT410S A 595-DS100RT410SQENPB	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $19.63	Min.: 1,000 Mult.: 1,000 : 1,000	Signal Buffers, Repeaters	Retimers		I2C SMBus	SMD/SMT	WQFN-48
Interface - Signal Buffers, Repeaters 4 channel PCI Expres s gen-4 linear redr A 595-DS160PR410RNQT DS160PR410RNQR Texas Instruments 1: $9.83 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS160PR410RNQR Mouser Part No 595-DS160PR410RNQR	Texas Instruments	Interface - Signal Buffers, Repeaters 4 channel PCI Expres s gen-4 linear redr A 595-DS160PR410RNQT Learn More about Texas Instruments ti ds160pr410 linear redriver	Datasheet	Non-Stocked Lead-Time 26 Weeks	Cut Tape $9.83 $7.65 $7.10 $6.50 View Reel $5.58 $6.17 $6.04 $5.90 $5.58 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Signal Buffers, Repeaters	Redrivers	PCI Express 4.0	PCIe	SMD/SMT	WQFN-40
PCI Interface IC PCIe® 4.0 16-Gb ps 4-channel linear A 595-DS160PR412RUAT DS160PR412RUAR Texas Instruments 3,000: $4.36 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS160PR412RUAR Mouser Part No 595-DS160PR412RUAR	Texas Instruments	PCI Interface IC PCIe® 4.0 16-Gb ps 4-channel linear A 595-DS160PR412RUAT Learn More about Texas Instruments ti ds160pr412 linear redrivers	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $4.36	Min.: 3,000 Mult.: 3,000 : 3,000	PCI Interface IC	Redrivers	PCIe	PCIe	SMD/SMT	WQFN-42
PCI Interface IC PCIe® 5.0 32-Gb ps 16-lane linear r DS320PR1601ZDGR Texas Instruments 1,000: $58.45 Non-Stocked Lead-Time 26 Weeks	Mfr. Part No. DS320PR1601ZDGR Mouser Part No 595-DS320PR1601ZDGR	Texas Instruments	PCI Interface IC PCIe® 5.0 32-Gb ps 16-lane linear r Learn More about Texas Instruments ti ds320pr1601 linear redriver	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $58.45	Min.: 1,000 Mult.: 1,000 : 1,000	PCI Interface IC	Linear Redrivers	PCIe	I2C	SMD/SMT	NFBGA-354