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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 (SGD) 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 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package PCA9555DB,118 NXP Semiconductors 1: $4.22 15In Stock 7,000Expected 7/12/2026	Mfr. Part No. PCA9555DB,118 Mouser Part No 771-PCA9555DB-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package	Datasheet	15In Stock 7,000Expected 7/12/2026	Cut Tape $4.22 $3.17 $2.90 $2.61 Reel $2.31 View $2.46 $2.42 $2.24 $2.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package PCA9557PW,118 NXP Semiconductors 1: $3.29 992In Stock 32,500Expected 21/12/2026	Mfr. Part No. PCA9557PW,118 Mouser Part No 771-PCA9557PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package	Datasheet	992In Stock 32,500Expected 21/12/2026	Cut Tape $3.29 $2.43 $2.22 $1.99 View Reel $1.56 $1.88 $1.86 $1.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-16
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: $2.07 192In Stock 15,000On Order	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	192In Stock 15,000On Order	Cut Tape $2.07 $1.59 $1.37 $1.22 View Reel $1.02 $1.15 $1.09 $1.02 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package PCAL9538ABSHP NXP Semiconductors 1: $3.03 29,140Expected 10/5/2027	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 10/5/2027	Cut Tape $3.03 $2.24 $2.05 $1.85 View Reel $1.63 $1.77 $1.71 $1.69 $1.66 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders			I2C, Serial	SMD/SMT	HVQFN-16
Interface - I/O Expanders Mobile I/O Companion Key-Scan LM8333FLQ8Y/NOPB Texas Instruments 1: $6.90 158In Stock	Mfr. Part No. LM8333FLQ8Y/NOPB Mouser Part No 926-LM8333FLQ8Y/NOPB	Texas Instruments	Interface - I/O Expanders Mobile I/O Companion Key-Scan	Datasheet	158In Stock	Cut Tape $6.90 $5.25 $5.02 $4.54 Reel $4.07 View $3.93 $3.86 $3.82 MouseReel Available	Min.: 1 Mult.: 1 : 250	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	WQFN-32
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: $5.44 403In Stock End of Life	Mfr. Part No. PCA9534ADBR Mouser Part No 595-PCA9534ADBR End of Life	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB	Datasheet	403In Stock	Cut Tape $5.44 $4.11 $3.77 $3.40 View Reel $2.99 $3.24 $3.21 $3.02 $2.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-16
Interface - Signal Buffers, Repeaters Dual Bi-Dir I2C-Bus A 595-TPS53015DGS A A 595-TPS53015DGS PCA9515ADRGR Texas Instruments 1: $5.37 29In Stock 3,000Expected 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	29In Stock 3,000Expected 24/12/2026	Cut Tape $5.37 $4.05 $3.73 $3.36 View Reel $2.90 $3.20 $3.17 $2.98 $2.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Signal Buffers, Repeaters	Repeaters		I2C	SMD/SMT	WSON-8
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300A-2IMS8#PBF Analog Devices 1: $11.00 38In Stock	Mfr. Part No. LTC4300A-2IMS8#PBF Mouser Part No 584-C4300A-2IMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	38In Stock	$11.00 $8.53 $7.52 $7.21 View $6.70 $6.68 $6.50 $6.19	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus LTC4300A-3CMS8#PBF Analog Devices 1: $9.64 104In Stock	Mfr. Part No. LTC4300A-3CMS8#PBF Mouser Part No 584-C4300A-3CMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus	Datasheet	104In Stock	$9.64 $7.40 $6.27	Min.: 1 Mult.: 1 Max.: 83	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs LTC4300-2CMS8#PBF Analog Devices 1: $8.62 135In Stock	Mfr. Part No. LTC4300-2CMS8#PBF Mouser Part No 584-LTC4300-2CMS8PBF	Analog Devices	Interface - Signal Buffers, Repeaters Hot Swappable 2-Wire Bus Bufs	Datasheet	135In Stock	$8.62 $6.60 $5.83 $5.34	Min.: 1 Mult.: 1 Max.: 108	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus LTC4300A-3IDD#PBF Analog Devices 1: $11.75 53In Stock	Mfr. Part No. LTC4300A-3IDD#PBF Mouser Part No 584-LTC4300A-3IDDPBF	Analog Devices	Interface - Signal Buffers, Repeaters Level Shifting Hot Swappable 2-Wire Bus	Datasheet	53In Stock	$11.75 $9.11 $8.45 $7.72 View $7.36 $7.15 $6.96 Quote	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	DFN-8
Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin LTC4313CDD-3#PBF Analog Devices 1: $11.95 152In Stock	Mfr. Part No. LTC4313CDD-3#PBF Mouser Part No 584-LTC4313CDD-3#PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin	Datasheet	152In Stock	$11.95 $9.26 $8.58 $7.85	Min.: 1 Mult.: 1 Max.: 121	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	DFN-8
Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin LTC4313CMS8-1#PBF Analog Devices 1: $11.95 50In Stock	Mfr. Part No. LTC4313CMS8-1#PBF Mouser Part No 584-LTC4313CMS8-1PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Bufs w/ Hi N Margin	Datasheet	50In Stock	$11.95 $9.26 $7.86 $7.83 View $7.48 $7.26 $6.61 $6.49	Min.: 1 Mult.: 1	Signal Buffers, Repeaters	Buffers	2-Wire Bus	2-Wire, I2C, SMBus	SMD/SMT	MSOP-8
Interface - Signal Buffers, Repeaters 2-Wire Bus Buf w/ Hi N Margin LTC4315CMS#PBF Analog Devices 1: $11.87 146In Stock	Mfr. Part No. LTC4315CMS#PBF Mouser Part No 584-LTC4315CMS#PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Buf w/ Hi N Margin	Datasheet	146In Stock	$11.87 $9.19 $8.30 $7.74	Min.: 1 Mult.: 1 Max.: 116	Signal Buffers, Repeaters	Buffers	Hot Swappable	2-Wire, I2C, SMBus	SMD/SMT	MSOP-12
Interface - Signal Buffers, Repeaters 2-Wire Bus Buf w/ Hi N Margin LTC4315IMS#PBF Analog Devices 1: $14.04 181In Stock	Mfr. Part No. LTC4315IMS#PBF Mouser Part No 584-LTC4315IMS#PBF	Analog Devices	Interface - Signal Buffers, Repeaters 2-Wire Bus Buf w/ Hi N Margin	Datasheet	181In Stock	$14.04 $10.92 $10.15 $9.28	Min.: 1 Mult.: 1 Max.: 144	Signal Buffers, Repeaters	Buffers	2-Wire Bus	2-Wire, I2C, SMBus	SMD/SMT	MSOP-12
Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus DS4520E+ Analog Devices / Maxim Integrated 1: $9.25 273In Stock	Mfr. Part No. DS4520E+ Mouser Part No 700-DS4520E	Analog Devices / Maxim Integrated	Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus Learn More about Analog Devices / Maxim Integrated maxim hvac solutions	Datasheet	273In Stock	$9.25 $7.10 $6.56 $5.94	Min.: 1 Mult.: 1 Max.: 218	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	TSSOP-16
Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan DS4550E+ Analog Devices / Maxim Integrated 1: $12.12 112In Stock	Mfr. Part No. DS4550E+ Mouser Part No 700-DS4550E	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan	Datasheet	112In Stock	$12.12 $9.38 $8.70 $7.94	Min.: 1 Mult.: 1 Max.: 89	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	TSSOP-20
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+ Analog Devices / Maxim Integrated 1: $26.59 103In Stock	Mfr. Part No. MAX7300ATL+ Mouser Part No 700-MAX7300ATL+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port	Datasheet	103In Stock	$26.59 $21.56 $18.32	Min.: 1 Mult.: 1 Max.: 82	I/O Expanders			I2C, Serial	SMD/SMT	TQFN-EP-40
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AEE+ Analog Devices / Maxim Integrated 1: $11.48 95In Stock	Mfr. Part No. MAX7310AEE+ Mouser Part No 700-MAX7310AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	95In Stock	$11.48 $8.84 $8.19 $6.95 View $6.73 $6.72 $6.53 $6.24 Quote	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	QSOP-16
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+ Analog Devices / Maxim Integrated 1: $11.48 124In Stock	Mfr. Part No. MAX7310AUE+ Mouser Part No 700-MAX7310AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande	Datasheet	124In Stock	$11.48 $8.84 $8.19 $7.45	Min.: 1 Mult.: 1 Max.: 99	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AAG+ Analog Devices / Maxim Integrated 1: $16.32 63In Stock	Mfr. Part No. MAX7311AAG+ Mouser Part No 700-MAX7311AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	63In Stock	$16.32 $12.78 $11.90 $10.92 View $10.43 $9.87 $9.59 Quote	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	SSOP-24
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+T Analog Devices / Maxim Integrated 1: $10.12 17In Stock	Mfr. Part No. MAX7311AWG+T Mouser Part No 700-MAX7311AWGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	17In Stock	Cut Tape $10.12 $9.90 $9.68 $9.49 View $9.34 $9.21 $9.07 Quote MouseReel Available	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	SOIC-24
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312ATG+ Analog Devices / Maxim Integrated 1: $12.89 212In Stock	Mfr. Part No. MAX7312ATG+ Mouser Part No 700-MAX7312ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand	Datasheet	212In Stock	$12.89 $10.02 $9.32 $8.51	Min.: 1 Mult.: 1 Max.: 169	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	TQFN-24
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+ Analog Devices / Maxim Integrated 1: $13.06 2In Stock	Mfr. Part No. MAX7313ATG+ Mouser Part No 700-MAX7313ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 16-Port I/O Expander with LED Intensity	Datasheet	2In Stock	$13.06 $10.15 $9.42 $8.62 View $8.17 $8.01 $7.82 Quote	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TQFN-24
Interface - I/O Expanders 18-Port GPIO with LED Intensity Control, MAX7314AEG+ Analog Devices / Maxim Integrated 1: $13.53 10In Stock	Mfr. Part No. MAX7314AEG+ Mouser Part No 700-MAX7314AEG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 18-Port GPIO with LED Intensity Control,	Datasheet	10In Stock	$13.53 $10.54 $8.95 $8.94 View $8.21 $8.05 $7.79 Quote	Min.: 1 Mult.: 1	I/O Expanders			I2C, Serial	SMD/SMT	QSOP-24