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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 Interface IO Expander W-QFN3030-16 T&R 3.5K PI4IOE5V9554ZHEX Diodes Incorporated 1: $1.70 8,694In Stock 12,403On Order	Mfr. Part No. PI4IOE5V9554ZHEX Mouser Part No 621-PI4IOE5V9554ZHEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v9554 8 bit expander	Datasheet	8,694In Stock 12,403On Order On Order Ship Dates Mfr. No: PI4IOE5V9554ZHEX Stock: 8,694 Can Dispatch Immediately On Order: 1,903 Expected 26/10/2026 10,500 Expected 8/1/2027 Factory Lead Time: 48 Weeks	Cut Tape $1.70 $1.22 $1.03 $0.975 $0.956 Reel $0.786	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	I/O Expanders	I/O Expanders	I2C-Bus/SMBus	I2C, Serial, SMBus	SMD/SMT	TQFN-16
Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int CAT9555YI-T2 onsemi 1: $2.07 16,081In Stock	Mfr. Part No. CAT9555YI-T2 Mouser Part No 698-CAT9555YI-T2	onsemi	Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int	Datasheet	16,081In Stock	Cut Tape $2.07 $1.51 $1.37 $1.22 View Reel $1.02 $1.15 $1.10 $1.09 $1.02 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,000 : 2,000	I/O Expanders		I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders Interface IO Expandr PI4IOE5V6416LEX Diodes Incorporated 1: $1.93 6,067In Stock	Mfr. Part No. PI4IOE5V6416LEX Mouser Part No 729-PI4IOE5V6416LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expandr Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	6,067In Stock	Cut Tape $1.93 $1.44 $1.27 $1.17 $1.13 Reel $1.13	Min.: 1 Mult.: 1 Max.: 410 : 3,000	I/O Expanders	I/O Expanders		I2C, Serial	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C and SMBus Port PI4IOE5V9535LEX Diodes Incorporated 1: $1.94 5,916In Stock	Mfr. Part No. PI4IOE5V9535LEX Mouser Part No 729-PI4IOE5V9535LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	5,916In Stock	Cut Tape $1.94 $1.41 $1.24 $1.13 $1.09 Reel $1.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 260 : 3,000	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LEX Diodes Incorporated 1: $1.85 2,928In Stock	Mfr. Part No. PI4IOE5V9554LEX Mouser Part No 729-PI4IOE5V9554LEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2,928In Stock	Cut Tape $1.85 $1.33 $1.17 $1.06 $1.03 Reel $1.03	Min.: 1 Mult.: 1 Max.: 460 : 2,500	I/O Expanders	I/O Expanders	I2C, SMBus	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - Signal Buffers, Repeaters Hot Swappable I2C Bus/SMBus Buffer PI6ULS5V9511AUEX Diodes Incorporated 1: $1.69 3,419In Stock	Mfr. Part No. PI6ULS5V9511AUEX Mouser Part No 729-PI6ULS5V9511AUEX	Diodes Incorporated	Interface - Signal Buffers, Repeaters Hot Swappable I2C Bus/SMBus Buffer Learn More about Diodes Incorporated diodes pi6uls5v9511a buffers	Datasheet	3,419In Stock	Cut Tape $1.69 $1.22 $1.09 $0.974 Reel $0.974 MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2,500	Signal Buffers, Repeaters	Buffers	Hot Swappable	I2C, SMBus	SMD/SMT	MSOP-8
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package PCA6408ABSHP NXP Semiconductors 1: $1.92 6,811In Stock 12,000Expected 3/5/2027	Mfr. Part No. PCA6408ABSHP Mouser Part No 771-PCA6408ABSHP	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HVQFN16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	6,811In Stock 12,000Expected 3/5/2027	Cut Tape $1.92 $1.39 $1.26 $1.11 View Reel $0.917 $1.04 $0.967 $0.938 $0.929 $0.917 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	HVQFN-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP16 package PCA6408APW,118 NXP Semiconductors 1: $1.92 2,586In Stock	Mfr. Part No. PCA6408APW,118 Mouser Part No 771-PCA6408APW,118	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in TSSOP16 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	2,586In Stock	Cut Tape $1.92 $1.39 $1.26 $1.11 Reel $0.978 View $1.06 $1.02 $0.991 $0.951 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package PCA9500PW,118 NXP Semiconductors 1: $3.86 2,754In Stock	Mfr. Part No. PCA9500PW,118 Mouser Part No 771-PCA9500PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM and Quasi feature in TSSOP16 package	Datasheet	2,754In Stock	Cut Tape $3.86 $2.91 $2.68 $2.52 Reel $2.22 View $2.39 $2.35 $2.27 $2.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package PCA9501PW,118 NXP Semiconductors 1: $4.83 3,865In Stock	Mfr. Part No. PCA9501PW,118 Mouser Part No 771-PCA9501PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package Learn More about NXP Semiconductors nxp pca9501pw 8 bit expander	Datasheet	3,865In Stock	Cut Tape $4.83 $3.60 $3.29 $2.95 $2.80 Reel $2.37 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-20
Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub PCA9516APW,118 NXP Semiconductors 1: $4.20 7,537In Stock	Mfr. Part No. PCA9516APW,118 Mouser Part No 771-PCA9516APW-T	NXP Semiconductors	Interface - Signal Buffers, Repeaters 5-channel I2C-Bus Hub	Datasheet	7,537In Stock	Cut Tape $4.20 $3.13 $2.87 $2.57 $2.43 Reel $2.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Signal Buffers, Repeaters	Buffers		I2C	SMD/SMT	TSSOP-16
Interface - I/O Expanders Expandable 5-channel I2C-bus hub PCA9518APW,518 NXP Semiconductors 1: $4.98 2,409In Stock 2,500Expected 27/12/2027	Mfr. Part No. PCA9518APW,518 Mouser Part No 771-PCA9518APW518	NXP Semiconductors	Interface - I/O Expanders Expandable 5-channel I2C-bus hub	Datasheet	2,409In Stock 2,500Expected 27/12/2027	Cut Tape $4.98 $3.71 $3.40 $3.05 $2.88 Reel $2.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	TSSOP-20
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in TSSOP24 package PCA9535CPW,118 NXP Semiconductors 1: $3.50 1,120In Stock 17,500On Order	Mfr. Part No. PCA9535CPW,118 Mouser Part No 771-PCA9535CPW118	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 TSSOP24 package	Datasheet	1,120In Stock 17,500On Order On Order Ship Dates Mfr. No: PCA9535CPW,118 Stock: 1,120 Can Dispatch Immediately On Order: 10,000 Expected 29/10/2026 7,500 Expected 23/11/2026 Factory Lead Time: 30 Weeks	Cut Tape $3.50 $2.60 $2.37 $2.12 View Reel $1.77 $2.00 $1.93 $1.86 $1.77 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package PCA9537DPZ NXP Semiconductors 1: $2.79 3,229In Stock	Mfr. Part No. PCA9537DPZ Mouser Part No 771-PCA9537DPZ	NXP Semiconductors	Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP10 package	Datasheet	3,229In Stock	Cut Tape $2.79 $2.07 $1.88 $1.67 Reel $1.44 View $1.58 $1.52 $1.50 $1.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-10
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538BS,118 NXP Semiconductors 1: $3.66 4,000In Stock 12,000Expected 9/11/2026	Mfr. Part No. PCA9538BS,118 Mouser Part No 771-PCA9538BS-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package	Datasheet	4,000In Stock 12,000Expected 9/11/2026	Cut Tape $3.66 $2.72 $2.48 $2.22 View Reel $1.86 $2.09 $2.03 $1.94 $1.92 $1.86 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders			I2C, Serial, SMBus	SMD/SMT	HVQFN-16
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package PCA9538PW,118 NXP Semiconductors 1: $3.66 2,547In Stock 12,500Expected 27/10/2026	Mfr. Part No. PCA9538PW,118 Mouser Part No 771-PCA9538PW-T	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package	Datasheet	2,547In Stock 12,500Expected 27/10/2026	Cut Tape $3.66 $2.72 $2.48 $2.22 Reel $1.90 View $2.09 $2.03 $1.94 $1.85 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 and Reset, Low Power version of PCA9555 in TSSOP24 package PCA9539RPW,118 NXP Semiconductors 1: $3.11 2,455In Stock	Mfr. Part No. PCA9539RPW,118 Mouser Part No 771-PCA9539RPW,118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset, Low Power version of PCA9555 in TSSOP24 package	Datasheet	2,455In Stock	Cut Tape $3.11 $2.30 $2.09 $1.88 View Reel $1.67 $1.77 $1.71 $1.69 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	General Purpose	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in HVQFN24 package PCA9555BS,118 NXP Semiconductors 1: $3.17 9,209In Stock 18,000Expected 26/1/2027	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	9,209In Stock 18,000Expected 26/1/2027	Cut Tape $3.17 $2.49 $2.31 $2.16 View Reel $1.90 $2.07 $2.04 $1.99 $1.90 $1.90 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: $3.97 2,767In Stock 7,000On Order	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	2,767In Stock 7,000On Order	Cut Tape $3.97 $2.96 $2.72 $2.45 Reel $2.14 View $2.31 $2.27 $2.08 $1.97 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 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 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package PCAL6416AEVJ NXP Semiconductors 1: $2.23 7,214In Stock	Mfr. Part No. PCAL6416AEVJ Mouser Part No 771-PCAL6416AEVJ	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	7,214In Stock	Cut Tape $2.23 $1.65 $1.50 $1.32 View Reel $1.09 $1.24 $1.19 $1.18 $1.14 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	VFBGA-24
Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package PCAL6416APW,118 NXP Semiconductors 1: $2.31 4,479In Stock 20,000Expected 26/10/2026	Mfr. Part No. PCAL6416APW,118 Mouser Part No 771-PCAL6416APW118	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package Learn More about NXP Semiconductors nxp gpioexpanders	Datasheet	4,479In Stock 20,000Expected 26/10/2026	Cut Tape $2.31 $1.70 $1.54 $1.36 Reel $1.15 View $1.28 $1.23 $1.22 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial, SMBus	SMD/SMT	TSSOP-24
Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB DS64BR111SQE/NOPB Texas Instruments 1: $22.10 623In Stock 500Expected 3/5/2027	Mfr. Part No. DS64BR111SQE/NOPB Mouser Part No 926-DS64BR111SQENOPB	Texas Instruments	Interface - Signal Buffers, Repeaters Ultra Low Power 10.3 Gbps 2Ch Repeater A A 926-DS64BR111SQ/NOPB	Datasheet	623In Stock 500Expected 3/5/2027	Cut Tape $22.10 $17.50 $16.67 $15.15 Reel $14.48 MouseReel Available	Min.: 1 Mult.: 1 : 250	Signal Buffers, Repeaters	Repeaters	I2C, SMBus		SMD/SMT	WQFN-24
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SO Microchip Technology 1: $2.90 564In Stock	Mfr. Part No. MCP23016-I/SO Mouser Part No 579-MCP23016-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	564In Stock	$2.90 $2.42 $2.39	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	SMD/SMT	SOIC-28
Interface - I/O Expanders 16 bit In/Out MCP23016-I/SP Microchip Technology 1: $3.05 491In Stock	Mfr. Part No. MCP23016-I/SP Mouser Part No 579-MCP23016-I/SP	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	491In Stock	$3.05 $2.53 $2.52	Min.: 1 Mult.: 1	I/O Expanders	I/O Expanders	I/O Expander	I2C, Serial	Through Hole	SPDIP-28