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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	Packaging	ESD Protection
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCF8575RGER Texas Instruments 1: NT$108.98 3,410In Stock	Mfr. Part # PCF8575RGER Mouser Part # 595-PCF8575RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	3,410In Stock	Cut Tape NT$108.98 NT$82.46 NT$76.00 NT$68.47 Reel NT$60.59 View NT$64.89 NT$63.81 NT$62.74 NT$57.72 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCF8575	SMD/SMT	VQFN-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 Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408APWR Texas Instruments 1: NT$64.89 5,199In Stock	Mfr. Part # TCA6408APWR Mouser Part # 595-TCA6408APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	5,199In Stock	Cut Tape NT$64.89 NT$47.68 NT$43.38 NT$38.72 Reel NT$32.62 View NT$36.57 NT$34.92 NT$34.77 NT$31.91 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA6408A	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 Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408ARGTR Texas Instruments 1: NT$59.51 2,643In Stock 27,000Expected 1/21/2027	Mfr. Part # TCA6408ARGTR Mouser Part # 595-TCA6408ARGTR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	2,643In Stock 27,000Expected 1/21/2027	Cut Tape NT$59.51 NT$43.74 NT$39.79 NT$35.17 View Reel NT$29.50 NT$33.09 NT$31.83 NT$31.62 NT$29.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6408A	SMD/SMT	VQFN-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 I2C Controlled 18 Ch GPIO Expander TCA6418EYFPR Texas Instruments 1: NT$86.40 4,739In Stock	Mfr. Part # TCA6418EYFPR Mouser Part # 595-TCA6418EYFPR	Texas Instruments	Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander	Datasheet	4,739In Stock	Cut Tape NT$86.40 NT$64.53 NT$58.79 NT$52.70 Reel NT$48.04 View NT$49.83 NT$48.40 NT$44.45 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA6418E	SMD/SMT	DSBGA-25	I2C, Serial	18 I/O	With Interrupt	1.65 V	3.6 V	1 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander TCA9534PWR Texas Instruments 1: NT$62.02 12,431In Stock	Mfr. Part # TCA9534PWR Mouser Part # 595-TCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander	Datasheet	12,431In Stock	Cut Tape NT$62.02 NT$45.53 NT$41.59 NT$36.93 Reel NT$31.01 View NT$34.56 NT$33.27 NT$33.09 NT$30.33 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9534	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 16bit I2C LP I/O Expander A 595-T A 595-TCA9535DBT TCA9535DBR Texas Instruments 1: NT$73.13 2,006In Stock	Mfr. Part # TCA9535DBR Mouser Part # 595-TCA9535DBR	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C LP I/O Expander A 595-T A 595-TCA9535DBT Learn More about Texas Instruments ti tca9535 expander	Datasheet	2,006In Stock	Cut Tape NT$73.13 NT$54.13 NT$49.47 NT$44.10 Reel NT$37.28 View NT$41.59 NT$40.15 NT$39.08 NT$35.85 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9535	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536BDTMR Texas Instruments 1: NT$63.81 5,624In Stock	Mfr. Part # TCA9536BDTMR Mouser Part # 595-TCA9536BDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,624In Stock	Cut Tape NT$63.81 NT$46.96 NT$42.66 NT$38.00 View Reel NT$30.80 NT$35.60 NT$34.27 NT$34.13 NT$32.98 NT$30.80 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536CDTMR Texas Instruments 1: NT$64.17 2,314In Stock	Mfr. Part # TCA9536CDTMR Mouser Part # 595-TCA9536CDTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	2,314In Stock	Cut Tape NT$64.17 NT$46.96 NT$42.66 NT$38.00 View Reel NT$31.30 NT$35.67 NT$34.31 NT$34.13 NT$32.05 NT$31.30 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DGKR Texas Instruments 1: NT$60.59 5,726In Stock 7,500Expected 6/14/2027	Mfr. Part # TCA9536DGKR Mouser Part # 595-TCA9536DGKR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	5,726In Stock 7,500Expected 6/14/2027	Cut Tape NT$60.59 NT$44.45 NT$40.15 NT$35.60 Reel NT$29.83 View NT$33.45 NT$32.16 NT$31.83 NT$29.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	TCA9536	SMD/SMT	VSSOP-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus TCA9536DTMR Texas Instruments 1: NT$63.81 3,963In Stock	Mfr. Part # TCA9536DTMR Mouser Part # 595-TCA9536DTMR	Texas Instruments	Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus Learn More about Texas Instruments ti tca9536 io expander	Datasheet	3,963In Stock	Cut Tape NT$63.81 NT$46.96 NT$42.66 NT$38.00 View Reel NT$31.26 NT$35.60 NT$34.27 NT$34.13 NT$32.98 NT$31.26 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TCA9536	SMD/SMT	X2SON-8	I2C, SMBus	4 I/O	With Interrupt	1.65 V	5.5 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	1 kV, 2 kV, 4 kV
Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9539PWR Texas Instruments 1: NT$69.91 7,817In Stock 14,000Expected 3/1/2027	Mfr. Part # TCA9539PWR Mouser Part # 595-TCA9539PWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander	Datasheet	7,817In Stock 14,000Expected 3/1/2027	Cut Tape NT$69.91 NT$51.62 NT$46.96 NT$41.94 Reel NT$35.49 View NT$39.44 NT$38.00 NT$34.70 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9539	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 Remote 16bit I2C and SMBux TCA9539RGER Texas Instruments 1: NT$96.08 7,651In Stock	Mfr. Part # TCA9539RGER Mouser Part # 595-TCA9539RGER	Texas Instruments	Interface - I/O Expanders Remote 16bit I2C and SMBux	Datasheet	7,651In Stock	Cut Tape NT$96.08 NT$71.70 NT$65.61 NT$58.79 Reel NT$51.27 View NT$55.57 NT$50.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCA9539	SMD/SMT	VQFN-24	I2C, Serial, SMBus	16 I/O	With Interrupt	1.65 V	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 TCA9554ADBQR Texas Instruments 1: NT$57.36 3,830In Stock	Mfr. Part # TCA9554ADBQR Mouser Part # 595-TCA9554ADBQR	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	3,830In Stock	Cut Tape NT$57.36 NT$41.94 NT$38.36 NT$33.84 Reel NT$29.11 View NT$31.83 NT$30.62 NT$30.36 NT$27.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554DBR Texas Instruments 1: NT$67.76 2,019In Stock	Mfr. Part # TCA9554DBR Mouser Part # 595-TCA9554DBR	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	2,019In Stock	Cut Tape NT$67.76 NT$49.83 NT$45.53 NT$40.51 Reel NT$35.17 View NT$38.36 NT$36.93 NT$36.57 NT$33.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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-TCA9554DWT TCA9554DWR Texas Instruments 1: NT$63.45 4,500In Stock	Mfr. Part # TCA9554DWR Mouser Part # 595-TCA9554DWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWT Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	4,500In Stock	Cut Tape NT$63.45 NT$46.61 NT$42.30 NT$37.64 Reel NT$30.04 View NT$35.24 NT$33.91 NT$33.66 NT$29.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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	2 kV
Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander TCA9554PWR Texas Instruments 1: NT$62.38 6,133In Stock	Mfr. Part # TCA9554PWR Mouser Part # 595-TCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander Learn More about Texas Instruments ti tca9554 tca9554a expander	Datasheet	6,133In Stock	Cut Tape NT$62.38 NT$45.53 NT$41.23 NT$36.57 Reel NT$30.65 View NT$34.49 NT$33.13 NT$32.73 NT$29.97 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9554	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 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT TCA9555DBR Texas Instruments 1: NT$80.66 3,338In Stock	Mfr. Part # TCA9555DBR Mouser Part # 595-TCA9555DBR	Texas Instruments	Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT Learn More about Texas Instruments ti tca9555 io expander	Datasheet	3,338In Stock	Cut Tape NT$80.66 NT$59.87 NT$54.49 NT$48.76 Reel NT$42.66 View NT$45.89 NT$44.45 NT$43.74 NT$40.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9555	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	5.5 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders SDIO Port Expander TXS02612RTWR Texas Instruments 1: NT$66.68 10,175In Stock 27,000On Order	Mfr. Part # TXS02612RTWR Mouser Part # 595-TXS02612RTWR	Texas Instruments	Interface - I/O Expanders SDIO Port Expander	Datasheet	10,175In Stock 27,000On Order On Order Ship Dates Mfr. #: TXS02612RTWR Stock: 10,175 Can Ship Immediately On Order: 3,000 Expected 12/21/2026 3,000 Expected 1/21/2027 21,000 Expected 2/25/2027 Factory Lead-Time: 26 Weeks	Cut Tape NT$66.68 NT$49.11 NT$44.81 NT$39.44 Reel NT$33.09 View NT$37.28 NT$35.71 NT$35.53 NT$32.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TXS02612	SMD/SMT	WQFN-24	Parallel	4 I/O	Without Interrupt	1.1 V	3.6 V	60 MHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K PI4IOE5V6416Q2LEX Diodes Incorporated 1: NT$86.40 2,298In Stock	Mfr. Part # PI4IOE5V6416Q2LEX Mouser Part # 621-I4IOE5V6416Q2LEX	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416q io expander	Datasheet	2,298In Stock	Cut Tape NT$86.40 NT$63.81 NT$55.93 NT$51.98 Reel NT$41.94 View NT$51.27 NT$50.91 NT$50.55 NT$41.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		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	2 kV
Interface - I/O Expanders Interface IO Expander W-QFN4565-46 T&R 3.5K PI4IOE5V6534Q2ZLWEX Diodes Incorporated 1: NT$139.10 1,354In 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	1,354In Stock 17,500On Order On Order Ship Dates Mfr. #: PI4IOE5V6534Q2ZLWEX Stock: 1,354 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 2,901In Stock	Mfr. Part # PI4IOE5V6416AQ2LEX Mouser Part # 621-PI4IOE5V6416AQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K	Datasheet	2,901In 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 TSSOP-24 T&R 3K PI4IOE5V6416RQ2LEX Diodes Incorporated 1: NT$92.85 3,888In Stock	Mfr. Part # PI4IOE5V6416RQ2LEX Mouser Part # 621-PI4IOE5V6416RQ2L	Diodes Incorporated	Interface - I/O Expanders Interface IO Expander TSSOP-24 T&R 3K Learn More about Diodes Incorporated diodes pi4ioe5v6416rq io expander	Datasheet	3,888In Stock	Cut Tape NT$92.85 NT$68.83 NT$60.95 NT$55.93 View Reel NT$47.68 NT$54.49 NT$53.42 NT$52.70 NT$47.68 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-24				1.65 V	5.5 V		- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Interface IO Expander W-QFN3030-16 T&R 3.5K PI4IOE5V9554ZHEX Diodes Incorporated 1: NT$39.79 9,219In Stock 12,403On Order	Mfr. Part # PI4IOE5V9554ZHEX Mouser Part # 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	9,219In Stock 12,403On Order On Order Ship Dates Mfr. #: PI4IOE5V9554ZHEX Stock: 9,219 Can Ship Immediately On Order: 1,903 Pending 10,500 Expected 12/25/2026 Factory Lead-Time: 48 Weeks	Cut Tape NT$39.79 NT$28.75 NT$25.88 NT$22.76 View Reel NT$18.86 NT$21.29 NT$20.36 NT$19.72 NT$18.86	Min.: 1 Mult.: 1 Max.: 3,500 : 3,500		SMD/SMT	TQFN-16	I2C, Serial, SMBus	8 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape
Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int CAT9555YI-T2 onsemi 1: NT$54.85 16,461In Stock	Mfr. Part # CAT9555YI-T2 Mouser Part # 698-CAT9555YI-T2	onsemi	Interface - I/O Expanders I2C/SMBUS Expander 16B,w/Int	Datasheet	16,461In Stock	Cut Tape NT$54.85 NT$40.15 NT$36.57 NT$32.19 View Reel NT$24.99 NT$30.22 NT$29.43 NT$24.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	CAT9555	SMD/SMT	TSSOP-24	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 60BIT IO EXPANDER W/EEPROM CY8C9560A-24AXI Infineon Technologies 1: NT$430.20 1,643In Stock	Mfr. Part # CY8C9560A-24AXI Mouser Part # 727-CY8C9560A-24AXI	Infineon Technologies	Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM Learn More about Infineon Technologies cypress psoc	Datasheet	1,643In Stock	NT$430.20 NT$336.99 NT$291.10 NT$281.42 View NT$274.61 NT$268.52 Quote	Min.: 1 Mult.: 1	CY8C95xx	SMD/SMT	TQFP-100	I2C, Serial	60 I/O	With Interrupt	3 V	5.25 V	24 MHz	- 40 C	+ 85 C	Tray	2 kV