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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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	Qualification	Packaging	ESD Protection
Interface - I/O Expanders LEO Level Translating I2C_ SMBUS_ SPI 16-bit I/O Expanders E-Grade NiPdAu TSSOP14 Tape and Reel APIO16ENT-R Apogee Semiconductor 1: HK$4,088.55 101In Stock 50Expected 3/12/2026 New Product	Mfr. Part No. APIO16ENT-R Mouser Part No 444-APIO16ENT-R New Product	Apogee Semiconductor	Interface - I/O Expanders LEO Level Translating I2C_ SMBUS_ SPI 16-bit I/O Expanders E-Grade NiPdAu TSSOP14 Tape and Reel Learn More about Apogee Semiconductor apogee apio16 rad hard io expander	Datasheet	101In Stock 50Expected 3/12/2026	Cut Tape HK$4,088.55 HK$3,538.22 Reel HK$3,400.61 MouseReel Available	Min.: 1 Mult.: 1 : 25	APIO16	SMD/SMT	TSSOP-28	I2C, SPI	16 I/O	With Interrupt	1.65 V	5.5 V	1 MHz, 25 MHz	- 55 C	+ 125 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575DBQR Texas Instruments 1: HK$38.22 3,827In Stock	Mfr. Part No. PCF8575DBQR Mouser Part No 595-PCF8575DBQR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3,827In Stock	Cut Tape HK$38.22 HK$34.94 Reel HK$34.94 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCF8575	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders NCA9535PW-Q100/SOT355/TSSOP24 NCA9535PW-Q100J Nexperia 1: HK$13.32 12,964In Stock	Mfr. Part No. NCA9535PW-Q100J Mouser Part No 771-NCA9535PW-Q100J	Nexperia	Interface - I/O Expanders NCA9535PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9535 nca9539 nca9555 gipo expanders	Datasheet	12,964In Stock	Cut Tape HK$13.32 HK$9.78 HK$8.88 HK$7.85 Reel HK$6.59 View HK$7.38 HK$7.13 HK$7.04 HK$6.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders NCA9595PW-Q100/SOT355/TSSOP24 NCA9595PW-Q100J Nexperia 1: HK$18.50 2,212In Stock	Mfr. Part No. NCA9595PW-Q100J Mouser Part No 771-NCA9595PW-Q100J	Nexperia	Interface - I/O Expanders NCA9595PW-Q100/SOT355/TSSOP24	Datasheet	2,212In Stock	Cut Tape HK$18.50 HK$13.73 HK$12.49 HK$11.18 Reel HK$9.45 View HK$10.60 HK$10.28 HK$9.86 HK$9.21 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW PCA9535DWR Texas Instruments 1: HK$30.41 9,882In Stock	Mfr. Part No. PCA9535DWR Mouser Part No 595-PCA9535DWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DW	Datasheet	9,882In Stock	Cut Tape HK$30.41 HK$22.93 HK$21.13 HK$18.99 Reel HK$16.85 View HK$18.00 HK$17.84 HK$17.59 HK$16.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9535	SMD/SMT	SOIC-24	I2C, Serial, SMBus		With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24 PCA9555PWJ Nexperia 1: HK$14.47 2,415In Stock	Mfr. Part No. PCA9555PWJ Mouser Part No 771-PCA9555PWJ	Nexperia	Interface - I/O Expanders PCA9555PW/SOT355/TSSOP24	Datasheet	2,415In Stock	Cut Tape HK$14.47 HK$10.69 HK$9.70 HK$8.63 Reel HK$6.97 View HK$8.09 HK$7.78 HK$7.75 HK$6.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 NCA9555PW-Q100J Nexperia 1: HK$15.04 2,439In Stock	Mfr. Part No. NCA9555PW-Q100J Mouser Part No 771-NCA9555PW-Q100J	Nexperia	Interface - I/O Expanders NCA9555PW-Q100/SOT355/TSSOP24 Learn More about Nexperia nca9555pw expanders	Datasheet	2,439In Stock	Cut Tape HK$15.04 HK$11.10 HK$10.11 HK$9.04 Reel HK$7.58 View HK$8.47 HK$8.13 HK$8.10 HK$7.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C	AEC-Q100	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575CRGER Texas Instruments 1: HK$47.68 8,287In Stock	Mfr. Part No. PCF8575CRGER Mouser Part No 595-PCF8575CRGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	8,287In Stock	Cut Tape HK$47.68 HK$36.33 HK$33.54 HK$30.33 View Reel HK$24.66 HK$28.85 HK$27.95 HK$27.62 HK$24.66 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8575C	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders NCA9595PW/SOT355/TSSOP24 NCA9595PWJ Nexperia 1: HK$16.36 4,691In Stock	Mfr. Part No. NCA9595PWJ Mouser Part No 771-NCA9595PWJ	Nexperia	Interface - I/O Expanders NCA9595PW/SOT355/TSSOP24	Datasheet	4,691In Stock	Cut Tape HK$16.36 HK$12.08 HK$11.01 HK$9.78 Reel HK$8.30 View HK$9.21 HK$8.88 HK$8.55 HK$8.07 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	TSSOP-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	With ESD Protection
Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL CMS82C55AZ96 Renesas / Intersil 1: HK$141.38 1,758In Stock	Mfr. Part No. CMS82C55AZ96 Mouser Part No 968-CMS82C55AZ96	Renesas / Intersil	Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COMOKI PARTPL	Datasheet	1,758In Stock	Cut Tape HK$141.38 HK$109.65 HK$101.85 HK$93.46 Reel HK$86.89 View HK$90.34 HK$86.31 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	CMS82C55A	SMD/SMT	PLCC-44	Parallel	24 I/O	Without Interrupt	4.5 V	5.5 V		0 C	+ 70 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/ML Microchip Technology 1: HK$18.66 1,823In Stock	Mfr. Part No. MCP23016T-I/ML Mouser Part No 579-MCP23016T-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,823In Stock	Cut Tape HK$18.66 HK$18.50 Reel HK$15.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 CY8C9520A-24PVXI Infineon Technologies 1: HK$45.70 1,362In Stock	Mfr. Part No. CY8C9520A-24PVXI Mouser Part No 727-CY8C9520A-24PVXI	Infineon Technologies	Interface - I/O Expanders I/O PORT EXPANDR FOR NEUTRON 534 Learn More about Infineon Technologies cypress psoc	Datasheet	1,362In Stock	HK$45.70 HK$32.06 HK$28.44 HK$26.96 View HK$25.73 HK$25.65	Min.: 1 Mult.: 1	CY8C95xx	SMD/SMT	SSOP-28	I2C, Serial	20 I/O	With Interrupt	3 V	5.25 V	24 MHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders 16 bit In/Out MCP23016T-I/SO Microchip Technology 1: HK$17.51 1,740In Stock	Mfr. Part No. MCP23016T-I/SO Mouser Part No 579-MCP23016T-I/SO	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,740In Stock	Cut Tape HK$17.51 HK$17.26 Reel HK$14.06 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 16 bit In/Out MCP23016-I/ML Microchip Technology 1: HK$18.66 1,145In Stock	Mfr. Part No. MCP23016-I/ML Mouser Part No 579-MCP23016-I/ML	Microchip Technology	Interface - I/O Expanders 16 bit In/Out	Datasheet	1,145In Stock	HK$18.66 HK$15.62 HK$15.04	Min.: 1 Mult.: 1		SMD/SMT	QFN-28	I2C, Serial	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	Without ESD Protection
Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM 27Kb CY8C9560A-24AXIT Infineon Technologies 1: HK$97.90 1,404In Stock	Mfr. Part No. CY8C9560A-24AXIT Mouser Part No 727-CY8C9560A-24AXIT	Infineon Technologies	Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM 27Kb Learn More about Infineon Technologies cypress psoc	Datasheet	1,404In Stock	Cut Tape HK$97.90 HK$76.77 HK$71.51 HK$65.68 View Reel HK$57.21 HK$65.10 HK$61.32 HK$57.38 HK$57.21 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,500	CY8C95xx	SMD/SMT	TQFP-100	I2C, Serial	60 I/O	With Interrupt	3 V	5.25 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders In/Out SPI int MCP23S08-E/P Microchip Technology 1: HK$13.23 1,000In Stock	Mfr. Part No. MCP23S08-E/P Mouser Part No 579-MCP23S08-E/P	Microchip Technology	Interface - I/O Expanders In/Out SPI int	Datasheet	1,000In Stock	HK$13.23 HK$12.99 HK$11.01 HK$10.44	Min.: 1 Mult.: 1		Through Hole	PDIP-18	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C		Tube	Without ESD Protection
Interface - I/O Expanders Mixed signal Expandr MCP25050-I/SL Microchip Technology 1: HK$39.78 1,011In Stock	Mfr. Part No. MCP25050-I/SL Mouser Part No 579-MCP25050-I/SL	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	1,011In Stock	HK$39.78 HK$33.04 HK$32.06 HK$30.83	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	5.5 V	5.5 V	25 MHz	- 65 C	+ 150 C		Tube	3.5 kV
Interface - I/O Expanders 16B I/O Expander I2C interface MCP23018T-E/SO Microchip Technology 1: HK$16.77 7,721In Stock	Mfr. Part No. MCP23018T-E/SO Mouser Part No 579-MCP23018T-E/SO	Microchip Technology	Interface - I/O Expanders 16B I/O Expander I2C interface	Datasheet	7,721In Stock	Cut Tape HK$16.77 HK$13.89 HK$13.40 HK$12.33 HK$12.25 Reel HK$11.51 MouseReel Available	Min.: 1 Mult.: 1 : 1,600		SMD/SMT	SOIC-28	I2C, Serial	16 I/O	With Interrupt	1.8 V	5.5 V	3.4 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port MAX7301AAI+T Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. MAX7301AAI+T Mouser Part No 700-MAX7301AAIT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port Learn More about Analog Devices / Maxim Integrated maxim programmable logic controllers Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	MAX7301	SMD/SMT	SSOP-28	Serial, SPI	28 I/O	With Interrupt	2.5 V	5.5 V	26 MHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch DS2408S+ Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. DS2408S+ Mouser Part No 700-DS2408S+	Analog Devices / Maxim Integrated	Interface - I/O Expanders 1-Wire 8-Channel Addressable Switch Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	DS2408S	SMD/SMT	SOIC-Narrow-16	1-Wire	8 I/O	Without Interrupt	2.8 V	5.25 V		- 40 C	+ 85 C		Tube	Without ESD Protection
Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os MAX7321ATE+T Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. MAX7321ATE+T Mouser Part No 700-MAX7321ATET	Analog Devices / Maxim Integrated	Interface - I/O Expanders I C Port Expander with 8 Open-Drain I/Os Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	MAX7321	SMD/SMT	TQFN-16	I2C, Serial	8 I/O	With Interrupt	1.71 V	5.5 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel	Without ESD Protection
Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand MAX7312ATG+T Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. MAX7312ATG+T Mouser Part No 700-MAX7312ATGT	Analog Devices / Maxim Integrated	Interface - I/O Expanders 2-Wire-Interfaced 16-Bit I/O Port Expand Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	MAX7312	SMD/SMT	TQFN-24		16 I/O		2 V	5.5 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C MAX7315AUE+T Analog Devices / Maxim Integrated Restricted Availability	Mfr. Part No. MAX7315AUE+T Mouser Part No 700-MAX7315AUET	Analog Devices / Maxim Integrated	Interface - I/O Expanders 8-Port I/O Expander with LED Intensity C Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability	MAX7315	SMD/SMT	TSSOP-16				2 V	3.6 V	400 kHz	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574DGVR Texas Instruments 1: HK$34.44 1,948In Stock	Mfr. Part No. PCF8574DGVR Mouser Part No 595-PCF8574DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	1,948In Stock	Cut Tape HK$34.44 HK$25.98 HK$23.84 HK$21.54 Reel HK$18.50 View HK$20.80 HK$18.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	TVSOP-20	I2C, Serial	8 I/O	With Interrupt	2.5 V	6 V	100 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	1 kV
Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package PCA9554PW/Q900,118 NXP Semiconductors 1: HK$25.81 3,279In Stock	Mfr. Part No. PCA9554PW/Q900,118 Mouser Part No 771-PCA9554PWQ900118	NXP Semiconductors	Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554A in TSSOP16 package	Datasheet	3,279In Stock	Cut Tape HK$25.81 HK$19.32 HK$17.76 HK$15.95 Reel HK$13.73 View HK$15.12 HK$14.88 HK$14.47 HK$12.91 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV