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400 kHz Interface - I/O Expanders

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Maximum Clock Frequency = 400 kHz

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Mounting Style	Package/Case	Interface Type	Number of I/Os	Interrupt Output	Supply Voltage - Min	Supply Voltage - Max	Maximum Clock Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Packaging	ESD Protection
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package PCA9538BS,118 NXP Semiconductors 1: Rp48.800,36 103In Stock 24.000On Order	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	103In Stock 24.000On Order On Order Ship Dates Mfr. No: PCA9538BS,118 Stock: 103 Can Dispatch Immediately On Order: 12.000 Expected 02/11/2026 12.000 Expected 09/02/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp48.800,36 Rp37.058,92 Rp31.922,04 Rp28.803,22 View Reel Rp24.400,18 Rp27.519,00 Rp26.601,70 Rp25.500,94 Rp25.317,48 Rp24.400,18 MouseReel Available	Min.: 1 Mult.: 1 : 6.000	PCA9538	SMD/SMT	HVQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package PCA9539PW,118 NXP Semiconductors 1: Rp49.350,74 108In Stock 17.500On Order	Mfr. Part No. PCA9539PW,118 Mouser Part No 771-PCA9539PW-T	NXP Semiconductors	Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package	Datasheet	108In Stock 17.500On Order On Order Ship Dates Mfr. No: PCA9539PW,118 Stock: 108 Can Dispatch Immediately On Order: 7.500 Expected 07/06/2027 10.000 Expected 14/06/2027 Factory Lead Time: 30 Weeks	Cut Tape Rp49.350,74 Rp36.875,46 Rp33.573,18 Rp30.087,44 View Reel Rp24.400,18 Rp26.968,62 Rp26.234,78 Rp25.134,02 Rp24.400,18 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9539	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package PCA9555DB,118 NXP Semiconductors 1: Rp59.074,12 15In Stock 7.000Expected 07/12/2026	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 07/12/2026	Cut Tape Rp59.074,12 Rp44.030,40 Rp40.361,20 Rp36.325,08 Reel Rp32.105,50 View Rp34.307,02 Rp33.573,18 Rp31.004,74 Rp30.454,36 MouseReel Available	Min.: 1 Mult.: 1 : 1.000	PCA9555	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Reset in TSSOP16 package PCA9557PW,118 NXP Semiconductors 1: Rp42.379,26 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 Rp42.379,26 Rp31.738,58 Rp28.619,76 Rp26.051,32 View Reel Rp22.198,66 Rp24.767,10 Rp24.033,26 Rp23.666,34 Rp22.198,66 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Mobile I/O Companion Key-Scan LM8333FLQ8Y/NOPB Texas Instruments 1: Rp93.014,22 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 Rp93.014,22 Rp70.815,56 Rp67.696,74 Rp61.275,64 Reel Rp54.854,54 View Rp53.019,94 Rp52.102,64 Rp51.552,26 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8333	SMD/SMT	WQFN-32	I2C, Serial	4 I/O	With Interrupt	2.25 V	2.9 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: Rp73.384,00 269In 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	269In Stock	Cut Tape Rp73.384,00 Rp55.404,92 Rp50.818,42 Rp45.865,00 View Reel Rp43.480,02 Rp43.663,48 Rp43.480,02 Rp43.480,02 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	PCA9534A	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 9-Bit I C Nonvolatile I/O Expander Plus DS4520E+ Analog Devices / Maxim Integrated 1: Rp124.752,80 248In 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	248In Stock	Rp124.752,80 Rp95.766,12 Rp88.427,72 Rp80.172,02 View Rp76.502,82 Rp74.117,84 Rp73.200,54 Rp72.283,24	Min.: 1 Mult.: 1	DS4520E	SMD/SMT	TSSOP-16	I2C, Serial	9 I/O	Without Interrupt	2.7 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders I C and JTAG Nonvolatile 9-Bit I/O Expan DS4550E+ Analog Devices / Maxim Integrated 1: Rp163.462,86 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	Rp163.462,86 Rp126.587,40 Rp117.414,40 Rp107.140,64 View Rp98.884,94 Rp95.949,58 Rp93.014,22 Quote	Min.: 1 Mult.: 1	DS4550E	SMD/SMT	TSSOP-20	I2C, Serial	9 I/O	Without Interrupt	2.7 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7300ATL+ Analog Devices / Maxim Integrated 1: Rp358.664,30 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	Rp358.664,30 Rp290.784,10 Rp247.120,62 Rp245.102,56 View Rp233.728,04 Rp229.508,46 Quote	Min.: 1 Mult.: 1	MAX7300	SMD/SMT	TQFN-EP-40	I2C, Serial	20 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AEE+ Analog Devices / Maxim Integrated 1: Rp154.840,24 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	Rp154.840,24 Rp119.249,00 Rp110.442,92 Rp93.748,06 View Rp90.812,70 Rp90.629,24 Rp88.060,80 Rp84.208,14 Quote	Min.: 1 Mult.: 1	MAX7310	SMD/SMT	QSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 8-Bit I/O Port Expande MAX7310AUE+ Analog Devices / Maxim Integrated 1: Rp154.840,24 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	Rp154.840,24 Rp119.249,00 Rp110.442,92 Rp100.536,08 View Rp93.197,68 Rp93.014,22 Rp90.262,32 Quote	Min.: 1 Mult.: 1	MAX7310	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	With ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AAG+ Analog Devices / Maxim Integrated 1: Rp220.152,00 23In 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	23In Stock	Rp220.152,00 Rp172.452,40 Rp160.527,50 Rp147.318,38 View Rp140.713,82 Rp133.191,96 Rp129.339,30 Quote	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7311AWG+T Analog Devices / Maxim Integrated 1: Rp136.494,24 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 Rp136.494,24 Rp133.558,88 Rp130.623,52 Rp128.055,08 View Rp126.037,02 Rp124.202,42 Rp122.367,82 Quote MouseReel Available	Min.: 1 Mult.: 1	MAX7311	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16-Port I/O Expander with LED Intensity MAX7313ATG+ Analog Devices / Maxim Integrated 1: Rp176.121,60 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	Rp176.121,60 Rp136.861,16 Rp127.137,78 Rp116.313,64 View Rp110.259,46 Rp108.057,94 Rp105.489,50 Quote	Min.: 1 Mult.: 1	MAX7313	SMD/SMT	TQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 18-Port GPIO with LED Intensity Control, MAX7314AEG+ Analog Devices / Maxim Integrated 1: Rp182.542,70 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	Rp182.542,70 Rp142.181,50 Rp120.716,68 Rp120.533,22 View Rp110.809,84 Rp108.608,32 Rp105.122,58 Quote	Min.: 1 Mult.: 1	MAX7314	SMD/SMT	QSOP-24	I2C, Serial	18 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315AUE+ Analog Devices / Maxim Integrated 1: Rp124.752,80 5In Stock	Mfr. Part No. MAX7315AUE+ Mouser Part No 700-MAX7315AUE	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C	Datasheet	5In Stock	Rp124.752,80 Rp95.766,12 Rp88.427,72 Rp80.172,02 View Rp76.502,82 Rp74.117,84 Rp73.200,54 Rp72.283,24	Min.: 1 Mult.: 1	MAX7315	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2 V	3.6 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318AAG+ Analog Devices / Maxim Integrated 1: Rp161.261,34 19In Stock	Mfr. Part No. MAX7318AAG+ Mouser Part No 700-MAX7318AAG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	19In Stock	Rp161.261,34 Rp125.119,72 Rp109.525,62 Rp104.939,12 View Rp100.536,08 Rp97.233,80 Rp94.114,98 Quote	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	SSOP-24	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318ATG+ Analog Devices / Maxim Integrated 1: Rp168.599,74 64In Stock	Mfr. Part No. MAX7318ATG+ Mouser Part No 700-MAX7318ATG	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	64In Stock	Rp168.599,74 Rp130.623,52 Rp121.083,60 Rp110.626,38 View Rp105.489,50 Rp102.554,14 Rp99.802,24 Quote	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	TQFN-24	I2C, Serial	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa MAX7318AWG+ Analog Devices / Maxim Integrated 1: Rp168.599,74 27In Stock	Mfr. Part No. MAX7318AWG+ Mouser Part No 700-MAX7318AWG+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced, 16-Bit, I/O Port Expa Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers	Datasheet	27In Stock	Rp168.599,74 Rp130.623,52 Rp121.083,60 Rp110.626,38 View Rp101.636,84 Rp98.518,02 Rp96.133,04 Quote	Min.: 1 Mult.: 1	MAX7318	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with Eight Inputs and MAX7319AEE+ Analog Devices / Maxim Integrated 1: Rp129.706,22 61In Stock	Mfr. Part No. MAX7319AEE+ Mouser Part No 700-MAX7319AEE+	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with Eight Inputs and	Datasheet	61In Stock	Rp129.706,22 Rp99.435,32 Rp91.913,46 Rp77.970,50 View Rp77.236,66 Rp75.035,14 Rp73.567,46 Rp72.099,78 Quote	Min.: 1 Mult.: 1	MAX7319	SMD/SMT	QSOP-16	I2C, Serial	8 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os MAX7321AEE+ Analog Devices / Maxim Integrated 1: Rp119.065,54 358In Stock	Mfr. Part No. MAX7321AEE+ Mouser Part No 700-MAX7321AEE	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os	Datasheet	358In Stock	Rp119.065,54 Rp91.363,08 Rp84.391,60 Rp71.549,40 View Rp69.164,42 Rp67.880,20 Rp66.595,98 Quote	Min.: 1 Mult.: 1	MAX7321	SMD/SMT	QSOP-16	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+ Analog Devices / Maxim Integrated 1: Rp84.941,98 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	Rp84.941,98 Rp64.027,54 Rp58.890,66 Rp49.901,12 View Rp46.782,30 Rp45.865,00	Min.: 1 Mult.: 1	MAX7321	SMD/SMT	TQFN-16	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with Eight Push-Pull O MAX7324AEG+ Analog Devices / Maxim Integrated 1: Rp127.504,70 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	Rp127.504,70 Rp97.784,18 Rp82.923,92 Rp82.006,62 View Rp77.970,50 Rp73.750,92 Rp72.099,78 Rp70.815,56	Min.: 1 Mult.: 1	MAX7324	SMD/SMT	QSOP-24	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 12 Push-Pull Outp MAX7327AATG+ Analog Devices / Maxim Integrated 1: Rp70.999,02 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	Rp70.999,02 Rp69.531,34 Rp67.880,20 Rp66.595,98 View Rp65.495,22 Rp64.577,92 Rp63.660,62 Rp62.743,32	Min.: 1 Mult.: 1	MAX7327	SMD/SMT	TQFN-EP-24	I2C, Serial	4 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders I2C I/O EXPANDER GP PCA9554PW,112 NXP Semiconductors 1: Rp36.325,08 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	Rp36.325,08 Rp26.601,70 Rp24.216,72 Rp21.464,82 View Rp20.180,60 Rp19.446,76 Rp18.235,92 Rp17.832,31	Min.: 1 Mult.: 1	PCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV