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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 I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+ Analog Devices / Maxim Integrated 1: $4.63 202In Stock	Mfr. Part No. MAX7321ATE+ Mouser Part No 700-MAX7321ATE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	202In Stock	$4.63 $3.49 $3.21 $2.72 View $2.55 $2.50	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial	SMD/SMT	TQFN-16
Interface - I/O Expanders I C Port Expander with Eight Push-Pull O MAX7324AEG+ Analog Devices / Maxim Integrated 1: $6.95 3In Stock	Mfr. Part No. MAX7324AEG+ Mouser Part No 700-MAX7324AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Push-Pull O	Datasheet	3In Stock	$6.95 $5.33 $4.52 $4.47 View $4.25 $4.02 $3.93 $3.86	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial	SMD/SMT	QSOP-24
Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp MAX7327AATG+ Analog Devices / Maxim Integrated 1: $3.87 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	$3.87 $3.79 $3.70 $3.63 View $3.57 $3.52 $3.47 $3.42	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: $1.98 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	$1.98 $1.45 $1.32 $1.17 View $1.10 $1.06 $0.994 $0.972	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: $68.67 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	$68.67 $56.72 $53.73 $51.82 View Quote	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Retimers	Multi-Rate Retimer	JTAG, SMBus	SMD/SMT	FCBGA-196
Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand Analog Devices ADP5587ACBZ-R7 ADP5587ACBZ-R7 Analog Devices 1: $4.00 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 $4.00 $3.03 $2.78 $2.51 $2.15 View $2.38 $2.36 $2.20 $2.12 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: $2.64 99,097On 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	99,097On Order On Order Ship Dates Mfr. No: P82B715DR Stock: 0 On Order: 34,097 Expected 16/03/2027 27,500 Expected 18/03/2027 37,500 Expected 02/08/2027 Factory Lead Time: 26 Weeks	Cut Tape $2.64 $1.96 $1.79 $1.60 Reel $1.37 View $1.51 $1.47 $1.40 $1.33 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: $2.27 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 $2.27 $1.71 $1.57 $1.39 Reel $1.24 View $1.38 $1.34 $1.29 $1.21 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: $2.42 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 $2.42 $1.79 $1.63 $1.46 View Reel $1.32 $1.42 $1.38 $1.32 $1.32 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: $2.02 27,357On 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	27,357On Order On Order Ship Dates Mfr. No: PCA9557RGVR Stock: 0 On Order: 2,357 Expected 10/12/2026 5,000 Expected 21/12/2026 10,000 Expected 25/12/2026 10,000 Expected 14/01/2027 Factory Lead Time: 12 Weeks	Cut Tape $2.02 $1.49 $1.36 $1.19 Reel $0.993 View $1.12 $1.08 $1.06 $0.966 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: $0.92 90,843On 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	90,843On Order On Order Ship Dates Mfr. No: TCA6408ARSVR Stock: 0 On Order: 24,843 Expected 17/12/2026 12,000 Expected 14/01/2027 54,000 Expected 01/03/2027 Factory Lead Time: 20 Weeks	Cut Tape $0.92 $0.739 $0.668 $0.588 Reel $0.485 View $0.55 $0.528 $0.513 $0.473 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: $1.52 66,241On 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	66,241On Order On Order Ship Dates Mfr. No: TCA9517DGKR Stock: 0 On Order: 16,241 Expected 07/01/2027 27,500 Expected 15/01/2027 22,500 Expected 11/02/2027 Factory Lead Time: 20 Weeks	Cut Tape $1.52 $1.11 $1.01 $0.891 Reel $0.744 View $0.876 $0.728 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: $1.98 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: 20 Weeks	Cut Tape $1.98 $1.46 $1.33 $1.19 Reel $0.968 View $1.10 $1.06 $0.949 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: $1.71 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 $1.71 $1.25 $1.14 $1.01 Reel $0.831 View $0.929 $0.894 $0.888 $0.828 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: $2.44 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 9,000 Expected 25/02/2027 3,000 Expected 01/03/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.44 $1.81 $1.66 $1.48 View Reel $1.25 $1.40 $1.36 $1.25 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: $3.76 24,856On Order	Mfr. Part No. TCA9539QPWRQ1 Mouser Part No 595-TCA9539QPWRQ1	Texas Instruments	Interface - I/O Expanders Automotive Low Volta ge 16bit	Datasheet	24,856On Order On Order Ship Dates Mfr. No: TCA9539QPWRQ1 Stock: 0 On Order: 14,856 Expected 24/12/2026 2,000 Expected 07/01/2027 8,000 Expected 21/01/2027 Factory Lead Time: 20 Weeks	Cut Tape $3.76 $2.84 $2.61 $2.35 Reel $2.02 View $2.23 $2.21 $2.00 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: $2.25 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 $2.25 $1.67 $1.52 $1.36 Reel $1.14 View $1.28 $1.24 $1.22 $1.12 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: $1.67 16,806Expected 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	16,806Expected 31/12/2026	Cut Tape $1.67 $1.47 $1.33 $1.19 Reel $1.00 View $1.12 $1.08 $0.98 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: $0.92 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: 20 Weeks	Cut Tape $0.92 $0.657 $0.618 $0.544 Reel $0.45 View $0.509 $0.487 $0.447 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: $1.22 244,985On 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 $1.22 $0.882 $0.798 $0.706 View Reel $0.575 $0.662 $0.635 $0.614 $0.604 $0.575 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: $3.04 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 22/12/2026 7,500 Expected 29/04/2027 Factory Lead Time: 27 Weeks	Cut Tape $3.04 $2.28 $2.02 $1.84 Reel $1.56 View $1.74 $1.70 $1.64 $1.53 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: $1.79 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 $1.79 $1.31 $1.19 $1.06 View Reel $0.872 $0.994 $0.957 $0.952 $0.893 $0.872 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: $2.56 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 24/12/2026 Factory Lead Time: 30 Weeks	Cut Tape $2.56 $1.90 $1.74 $1.56 View Reel $1.32 $1.47 $1.43 $1.32 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: $2.71 9,058In Stock 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	9,058In Stock 18,000Expected 11/01/2027	Cut Tape $2.71 $2.02 $1.85 $1.73 View Reel $1.46 $1.63 $1.60 $1.46 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 Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package PCA9575HF,118 NXP Semiconductors 1: $3.33 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 $3.33 $2.54 $2.30 $2.07 View Reel $1.77 $1.96 $1.93 $1.77 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HWQFN-24