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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (TWD) 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 Remote 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: NT$91.78 763In Stock	Mfr. Part # PCF8574ARGYR Mouser Part # 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	763In Stock	Cut Tape NT$91.78 NT$68.47 NT$62.74 NT$55.93 Reel NT$46.96 View NT$53.06 NT$52.70 NT$45.89 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8574A	SMD/SMT	VQFN-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 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW PCF8574PWR Texas Instruments 1: NT$65.25 1,197In Stock 6,000Expected 2/19/2027	Mfr. Part # PCF8574PWR Mouser Part # 595-PCF8574PWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW	Datasheet	1,197In Stock 6,000Expected 2/19/2027	Cut Tape NT$65.25 NT$48.04 NT$43.74 NT$39.08 View Reel NT$33.09 NT$36.57 NT$35.17 NT$35.06 NT$33.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574	SMD/SMT	TSSOP-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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPWR PCF8575CPW Texas Instruments 1: NT$303.65 279In Stock	Mfr. Part # PCF8575CPW Mouser Part # 595-PCF8575CPW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPWR	Datasheet	279In Stock	NT$303.65 NT$234.10 NT$216.89 NT$197.53 View NT$181.76 NT$181.40 NT$181.04 Quote	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	4.5 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW PCF8575DWR Texas Instruments 1: NT$112.21 249In Stock 4,000Expected 12/24/2026	Mfr. Part # PCF8575DWR Mouser Part # 595-PCF8575DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW	Datasheet	249In Stock 4,000Expected 12/24/2026	Cut Tape NT$112.21 NT$84.25 NT$77.08 NT$69.55 Reel NT$59.51 View NT$65.61 NT$64.53 NT$63.81 NT$58.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8575	SMD/SMT	SOIC-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 Automotive 8-bit tra nslating I2C/SMBus TCA6408AQPWRQ1 Texas Instruments 1: NT$90.34 109In Stock 6,000Expected 11/6/2026	Mfr. Part # TCA6408AQPWRQ1 Mouser Part # 595-TCA6408AQPWRQ1	Texas Instruments	Interface - I/O Expanders Automotive 8-bit tra nslating I2C/SMBus	Datasheet	109In Stock 6,000Expected 11/6/2026	Cut Tape NT$90.34 NT$67.40 NT$61.66 NT$55.21 View Reel NT$45.89 NT$49.47 NT$48.04 NT$46.96 NT$45.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6408A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	3.6 V	400 kHz	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp TCA6416APWR Texas Instruments 1: NT$73.49 5In Stock 12,000On Order	Mfr. Part # TCA6416APWR Mouser Part # 595-TCA6416APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp	Datasheet	5In Stock 12,000On Order On Order Ship Dates Mfr. #: TCA6416APWR Stock: 5 Can Ship Immediately On Order: 6,000 Expected 11/23/2026 6,000 Expected 3/22/2027 Factory Lead-Time: 26 Weeks	Cut Tape NT$73.49 NT$54.13 NT$49.47 NT$44.10 View Reel NT$37.28 NT$41.59 NT$40.15 NT$39.44 NT$37.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6416A	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander TCA6416ARTWR Texas Instruments 1: NT$84.96 119In Stock 27,000Expected 12/17/2026	Mfr. Part # TCA6416ARTWR Mouser Part # 595-TCA6416ARTWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander	Datasheet	119In Stock 27,000Expected 12/17/2026	Cut Tape NT$84.96 NT$63.10 NT$57.72 NT$51.62 View Reel NT$43.02 NT$47.68 NT$46.25 NT$43.02 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6416A	SMD/SMT	WQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT TCA9534ADWR Texas Instruments 1: NT$61.66 167In Stock 10,000On Order	Mfr. Part # TCA9534ADWR Mouser Part # 595-TCA9534ADWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT	Datasheet	167In Stock 10,000On Order On Order Ship Dates Mfr. #: TCA9534ADWR Stock: 167 Can Ship Immediately On Order: 4,000 Expected 12/21/2026 6,000 Expected 6/14/2027 Factory Lead-Time: 26 Weeks	Cut Tape NT$61.66 NT$45.53 NT$41.23 NT$36.93 View Reel NT$30.90 NT$34.45 NT$33.16 NT$32.98 NT$30.90 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9534A	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR TCA9534ADWT Texas Instruments 1: NT$79.23 282In Stock	Mfr. Part # TCA9534ADWT Mouser Part # 595-TCA9534ADWT	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR	Datasheet	282In Stock	Cut Tape NT$79.23 NT$58.79 NT$53.42 NT$47.68 Reel NT$46.25 View NT$42.30 NT$41.23 NT$40.15 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9534A	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR TCA9535DBT Texas Instruments 1: NT$93.93 159In Stock	Mfr. Part # TCA9535DBT Mouser Part # 595-TCA9535DBT	Texas Instruments	Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR Learn More about Texas Instruments ti tca9535 expander	Datasheet	159In Stock	Cut Tape NT$93.93 NT$69.91 NT$63.81 NT$57.36 Reel NT$53.78 View NT$50.91 NT$48.76 NT$48.04 NT$47.32 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9535	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9538DBR Texas Instruments 1: NT$74.57 101In Stock 4,000Expected 12/3/2026	Mfr. Part # TCA9538DBR Mouser Part # 595-TCA9538DBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan	Datasheet	101In Stock 4,000Expected 12/3/2026	Cut Tape NT$74.57 NT$56.28 NT$51.62 NT$46.61 Reel NT$41.59 View NT$44.10 NT$43.74 NT$40.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9538	SMD/SMT	SSOP-16	I2C, Serial	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554ADBR Texas Instruments 1: NT$54.13 1,066In Stock 2,000Expected 12/3/2026	Mfr. Part # TCA9554ADBR Mouser Part # 595-TCA9554ADBR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	1,066In Stock 2,000Expected 12/3/2026	Cut Tape NT$54.13 NT$39.44 NT$35.71 NT$31.69 Reel NT$26.49 View NT$29.79 NT$28.64 NT$27.68 NT$25.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554A	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander TCA9554APWR Texas Instruments 1: NT$46.96 283In Stock 10,000Expected 12/3/2026	Mfr. Part # TCA9554APWR Mouser Part # 595-TCA9554APWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	283In Stock 10,000Expected 12/3/2026	Cut Tape NT$46.96 NT$39.44 NT$35.71 NT$31.69 Reel NT$26.49 View NT$29.79 NT$28.64 NT$28.32 NT$25.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554A	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander TCA9554DBQR Texas Instruments 1: NT$70.27 1,169In Stock 2,500Expected 12/21/2026	Mfr. Part # TCA9554DBQR Mouser Part # 595-TCA9554DBQR	Texas Instruments	Interface - I/O Expanders Remote 8-bit I2C SMB us I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	1,169In Stock 2,500Expected 12/21/2026	Cut Tape NT$70.27 NT$51.98 NT$47.32 NT$42.30 Reel NT$35.67 View NT$39.79 NT$38.36 NT$34.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9554	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR TCA9554DWT Texas Instruments 1: NT$90.34 18In Stock 500Expected 11/24/2026	Mfr. Part # TCA9554DWT Mouser Part # 595-TCA9554DWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	18In Stock 500Expected 11/24/2026	Cut Tape NT$90.34 NT$67.04 NT$61.30 NT$54.85 Reel NT$51.98 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9554	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K PI4IOE5V6534Q2ZLWEX Diodes Incorporated 1: NT$139.10 75In Stock 17,500On Order	Mfr. Part # PI4IOE5V6534Q2ZLWEX Mouser Part # 621-PI4IO565342ZLWEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K Learn More about Diodes Incorporated diodes pi4ioe5v6534q expander	Datasheet	75In Stock 17,500On Order On Order Ship Dates Mfr. #: PI4IOE5V6534Q2ZLWEX Stock: 75 Can Ship Immediately On Order: 7,000 Expected 5/7/2027 10,500 Expected 11/17/2027 Factory Lead-Time: 52 Weeks	Cut Tape NT$139.10 NT$104.68 NT$90.70 NT$86.40 Reel NT$73.49 MouseReel Available	Min.: 1 Mult.: 1 : 3,500	PI4IOE5V6534Q	SMD/SMT	TQFN-46	I2C, Serial	28 I/O	With Interrupt	1.65 V	5.5 V	100 kHz	- 40 C	+ 105 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416AQ2LEX Diodes Incorporated 1: NT$95.36 2,903In Stock	Mfr. Part # PI4IOE5V6416AQ2LEX Mouser Part # 621-PI4IOE5V6416AQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K	Datasheet	2,903In Stock	Cut Tape NT$95.36 NT$70.98 NT$62.74 NT$58.08 Reel NT$46.25 View NT$56.28 NT$55.21 NT$54.13 NT$45.89	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24										Reel, Cut Tape
Interface - I/O Expanders Interface IO Expander PI4IOE5V6416ZDEX Diodes Incorporated 1: NT$57.72 699In Stock 84,000On Order	Mfr. Part # PI4IOE5V6416ZDEX Mouser Part # 729-PI4IOE5V6416ZDEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander Learn More about Diodes Incorporated diodes pi4ioe5v6416 io expander	Datasheet	699In Stock 84,000On Order On Order Ship Dates Mfr. #: PI4IOE5V6416ZDEX Stock: 699 Can Ship Immediately On Order: 21,000 Expected 5/26/2027 28,000 Expected 3/6/2028 35,000 Expected 3/31/2028 Factory Lead-Time: 48 Weeks	Cut Tape NT$57.72 NT$41.94 NT$35.60 NT$33.66 Reel NT$24.95 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500	PIO4IO	SMD/SMT	TQFN-24	I2C, Serial	16 I/O	With Interrupt	1.65 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K PI4IOE5V9537UEX Diodes Incorporated 1: NT$33.34 1,878In Stock	Mfr. Part # PI4IOE5V9537UEX Mouser Part # 729-PI4IOE5V9537UEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K	Datasheet	1,878In Stock	Cut Tape NT$33.34 NT$23.98 NT$21.62 NT$19.00 Reel NT$19.00	Min.: 1 Mult.: 1 Max.: 170 : 2,500		SMD/SMT	MSOP-10										Reel, Cut Tape
Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K PI4IOE5V9538LEX Diodes Incorporated 1: NT$45.17 1,807In Stock	Mfr. Part # PI4IOE5V9538LEX Mouser Part # 729-PI4IOE5V9538LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K	Datasheet	1,807In Stock	Cut Tape NT$45.17 NT$32.44 NT$28.39 NT$25.81 View Reel NT$22.23 NT$24.92 NT$24.38 NT$23.98 NT$22.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PIO4IO	SMD/SMT	TSSOP-16										Reel, Cut Tape, MouseReel
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539LE Diodes Incorporated 1: NT$51.98 41In Stock	Mfr. Part # PI4IOE5V9539LE Mouser Part # 729-PI4IOE5V9539LE	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	41In Stock	NT$51.98 NT$37.64 NT$32.44 NT$28.21 View NT$27.39 NT$26.85 NT$26.31 NT$25.99 NT$25.74	Min.: 1 Mult.: 1	PIO4IO	SMD/SMT	TSSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Tube
Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port PI4IOE5V9539LEX Diodes Incorporated 1: NT$51.98 842In Stock 3,000Expected 12/8/2027	Mfr. Part # PI4IOE5V9539LEX Mouser Part # 729-PI4IOE5V9539LEX	Diodes Incorporated	Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port Learn More about Diodes Incorporated pericom io expanders	Datasheet	842In Stock 3,000Expected 12/8/2027	Cut Tape NT$51.98 NT$37.64 NT$32.95 NT$30.04 View Reel NT$23.91 NT$29.04 NT$28.43 NT$27.78 NT$23.91	Min.: 1 Mult.: 1 : 3,000	PIO4IO	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
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554ALEX Diodes Incorporated 1: NT$45.17 1,641In Stock 2,500Expected 10/20/2027	Mfr. Part # PI4IOE5V9554ALEX Mouser Part # 729-PI4IOE5V9554ALEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	1,641In Stock 2,500Expected 10/20/2027	Cut Tape NT$45.17 NT$32.44 NT$28.39 NT$25.81 Reel NT$25.81 MouseReel Available	Min.: 1 Mult.: 1 Max.: 130 : 2,500	PIO4IO	SMD/SMT	TSSOP-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	4 kV
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LE Diodes Incorporated 1: NT$48.40 138In Stock	Mfr. Part # PI4IOE5V9554LE Mouser Part # 729-PI4IOE5V9554LE	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	138In Stock	NT$48.40 NT$34.95 NT$31.12 NT$30.19 View NT$26.17 NT$25.10 NT$23.98 NT$23.30 NT$22.76	Min.: 1 Mult.: 1	PIO4IO	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	4 kV
Interface - I/O Expanders 8-bit I2C and SMBus IO Port PI4IOE5V9554LEX Diodes Incorporated 1: NT$48.76 2,227In Stock 2,500Expected 4/16/2027	Mfr. Part # PI4IOE5V9554LEX Mouser Part # 729-PI4IOE5V9554LEX	Diodes Incorporated	Interface - I/O Expanders 8-bit I2C and SMBus IO Port Learn More about Diodes Incorporated pericom io expanders	Datasheet	2,227In Stock 2,500Expected 4/16/2027	Cut Tape NT$48.76 NT$35.06 NT$30.80 NT$28.07 NT$27.14 Reel NT$27.14	Min.: 1 Mult.: 1 Max.: 460 : 2,500	PIO4IO	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C		Reel, Cut Tape	4 kV