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Texas Instruments Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT TCA9555DBR Texas Instruments 1: S/7.71 3,409In 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	3,409In Stock	Cut Tape S/7.71 S/5.72 S/5.18 S/4.63 Reel S/3.93 View S/4.36 S/4.20 S/4.05 S/3.81 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: S/6.93 19,477In Stock 27,000On Order	Mfr. Part # TXS02612RTWR Mouser Part # 595-TXS02612RTWR	Texas Instruments	Interface - I/O Expanders SDIO Port Expander	Datasheet	19,477In Stock 27,000On Order On Order Ship Dates Mfr. #: TXS02612RTWR Stock: 19,477 Can Ship Immediately On Order: 3,000 Expected 11/3/2026 3,000 Expected 1/21/2027 21,000 Expected 5/13/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/6.93 S/5.10 S/4.63 S/4.09 Reel S/3.42 View S/3.84 S/3.69 S/3.66 S/3.34 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 Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB PCA9534ADBR Texas Instruments 1: S/15.57 403In Stock	Mfr. Part # PCA9534ADBR Mouser Part # 595-PCA9534ADBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534ADB	Datasheet	403In Stock	Cut Tape S/15.57 S/11.76 S/10.78 S/9.73 View Reel S/8.56 S/9.26 S/9.19 S/8.64 S/8.56 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 Remote 8B I2C & Lo- Pwr I/O Expander PCA9534ARGVR Texas Instruments 1: S/14.79 2,968In Stock	Mfr. Part # PCA9534ARGVR Mouser Part # 595-PCA9534ARGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	2,968In Stock	Cut Tape S/14.79 S/11.17 S/10.28 S/9.26 Reel S/8.02 View S/8.80 S/8.72 S/8.29 S/7.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534A	SMD/SMT	VQFN-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 & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR PCA9535DW Texas Instruments 1: S/20.71 14In Stock 500Expected 10/12/2026	Mfr. Part # PCA9535DW Mouser Part # 595-PCA9535DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR	Datasheet	14In Stock 500Expected 10/12/2026	S/20.71 S/16.23 S/13.78 S/13.16 View S/12.49 S/12.22 S/12.14 S/12.11 Quote	Min.: 1 Mult.: 1	PCA9535	SMD/SMT	SOIC-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR PCA9539DB Texas Instruments 1: S/19.15 70In Stock	Mfr. Part # PCA9539DB Mouser Part # 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	S/19.15 S/14.60 S/13.47 S/12.14 View S/11.56 S/11.29 S/11.25 S/11.17	Min.: 1 Mult.: 1	PCA9539	SMD/SMT	SSOP-24	I2C, Serial, SMBus	16 I/O	With Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander PCA9554ADGVR Texas Instruments 1: S/11.76 69In Stock	Mfr. Part # PCA9554ADGVR Mouser Part # 595-PCA9554ADGVR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus I /O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	69In Stock	Cut Tape S/11.76 S/8.76 S/8.02 S/7.20 S/6.81 Reel S/5.76 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554A	SMD/SMT	TVSOP-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 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW PCF8574APWR Texas Instruments 1: S/6.19 183In Stock 22,000On Order	Mfr. Part # PCF8574APWR Mouser Part # 595-PCF8574APWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW	Datasheet	183In Stock 22,000On Order On Order Ship Dates Mfr. #: PCF8574APWR Stock: 183 Can Ship Immediately On Order: 10,000 Expected 12/17/2026 12,000 Expected 1/11/2027 Factory Lead-Time: 12 Weeks	Cut Tape S/6.19 S/4.52 S/4.13 S/3.64 Reel S/3.11 View S/3.42 S/3.29 S/3.26 S/2.98 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	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 8-Bit I/O Exp ander for I2C-Bus PCF8574ARGYR Texas Instruments 1: S/9.96 880In 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	880In Stock	Cut Tape S/9.96 S/7.43 S/6.81 S/6.07 Reel S/5.10 View S/5.76 S/5.72 S/4.98 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR PCF8575CDW Texas Instruments 1: S/30.24 170In Stock	Mfr. Part # PCF8575CDW Mouser Part # 595-PCF8575CDW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR	Datasheet	170In Stock	S/30.24 S/23.32 S/21.53 S/19.66 View S/18.18 S/17.63 S/16.78	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SOIC-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 8-bit I2C SMB us I/O Expander TCA9554DBQR Texas Instruments 1: S/6.73 1,547In Stock 2,500Expected 1/11/2027	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	1,547In Stock 2,500Expected 1/11/2027	Cut Tape S/6.73 S/4.98 S/4.52 S/4.01 Reel S/3.38 View S/3.84 S/3.70 S/3.68 S/3.30 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 ULTRA LOW VOLTAGE AG ILE I/O EXPANDER TCAL6408RSVR Texas Instruments 1: S/6.15 21,000Expected 12/3/2026	Mfr. Part # TCAL6408RSVR Mouser Part # 595-TCAL6408RSVR	Texas Instruments	Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER Learn More about Texas Instruments ti tcal6408 i2c bus smbus io expander	Datasheet	21,000Expected 12/3/2026	Cut Tape S/6.15 S/4.48 S/4.09 S/3.60 Reel S/2.92 View S/3.38 S/3.25 S/3.21 S/2.86 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TCAL6408	SMD/SMT	UQFN-16	I2C, Serial, SMBus	9 I/O	With Interrupt	1.08 V	3.6 V	1 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander PCA9534ARGTR Texas Instruments 1: S/9.11 586In Stock 18,000Expected 1/7/2027	Mfr. Part # PCA9534ARGTR Mouser Part # 595-PCA9534ARGTR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander	Datasheet	586In Stock 18,000Expected 1/7/2027	Cut Tape S/9.11 S/6.73 S/6.15 S/5.53 Reel S/4.79 View S/5.22 S/5.06 S/4.94 S/4.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9534A	SMD/SMT	VQFN-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 Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW PCA9534PWR Texas Instruments 1: S/6.81 554In Stock 6,000Expected 2/1/2027	Mfr. Part # PCA9534PWR Mouser Part # 595-PCA9534PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW	Datasheet	554In Stock 6,000Expected 2/1/2027	Cut Tape S/6.81 S/4.98 S/4.55 S/4.05 View Reel S/3.64 S/3.80 S/3.65 S/3.64 S/3.64 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 2,000	PCA9534	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	2 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534RGVR Texas Instruments 1: S/7.75 131In Stock 30,000On Order	Mfr. Part # PCA9534RGVR Mouser Part # 595-PCA9534RGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	131In Stock 30,000On Order On Order Ship Dates Mfr. #: PCA9534RGVR Stock: 131 Can Ship Immediately On Order: 7,500 Expected 1/25/2027 15,000 Expected 3/8/2027 7,500 Expected 4/2/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/7.75 S/6.19 S/5.64 S/5.02 Reel S/4.24 View S/4.75 S/4.59 S/4.40 S/4.13 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9534	SMD/SMT	VQFN-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 & SMBus L o-Pwr I/O Expander PCA9535DGVR Texas Instruments 1: S/12.07 328In Stock 2,000Expected 2/1/2027	Mfr. Part # PCA9535DGVR Mouser Part # 595-PCA9535DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	328In Stock 2,000Expected 2/1/2027	Cut Tape S/12.07 S/11.76 S/10.63 S/10.28 Reel S/9.34 View S/9.69 S/9.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9535	SMD/SMT	TVSOP-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 Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW PCA9538PWR Texas Instruments 1: S/8.14 42In Stock 8,000Expected 11/16/2026	Mfr. Part # PCA9538PWR Mouser Part # 595-PCA9538PWR	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW	Datasheet	42In Stock 8,000Expected 11/16/2026	Cut Tape S/8.14 S/5.99 S/5.45 S/4.87 Reel S/4.16 View S/4.59 S/4.44 S/4.20 S/4.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9538	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	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB PCA9555DBR Texas Instruments 1: S/8.45 1,289In Stock 8,000On Order	Mfr. Part # PCA9555DBR Mouser Part # 595-PCA9555DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB	Datasheet	1,289In Stock 8,000On Order On Order Ship Dates Mfr. #: PCA9555DBR Stock: 1,289 Can Ship Immediately On Order: 4,000 Expected 1/21/2027 4,000 Expected 3/15/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/8.45 S/6.23 S/5.68 S/5.06 Reel S/4.32 View S/4.79 S/4.59 S/4.40 S/4.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander PCA9555RGER Texas Instruments 1: S/9.11 11In Stock 12,000On Order	Mfr. Part # PCA9555RGER Mouser Part # 595-PCA9555RGER	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander	Datasheet	11In Stock 12,000On Order On Order Ship Dates Mfr. #: PCA9555RGER Stock: 11 Can Ship Immediately On Order: 3,000 Expected 1/8/2027 9,000 Expected 1/21/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/9.11 S/6.77 S/6.19 S/5.53 Reel S/4.63 View S/5.22 S/5.06 S/4.94 S/4.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9555	SMD/SMT	VQFN-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 Lo-Vltg 16B I2C & SM Bus I/O Exp TCA6416APWR Texas Instruments 1: S/6.73 469In Stock 6,000Expected 3/5/2027	Mfr. Part # TCA6416APWR Mouser Part # 595-TCA6416APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 16B I2C & SM Bus I/O Exp	Datasheet	469In Stock 6,000Expected 3/5/2027	Cut Tape S/6.73 S/5.02 S/4.59 S/4.13 Reel S/3.55 View S/3.82 S/3.80 S/3.79 S/3.47 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 Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR TCA9534ADWT Texas Instruments 1: S/8.60 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 S/8.60 S/6.38 S/5.80 S/5.18 Reel S/5.02 View S/4.59 S/4.48 S/4.36 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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR TCA9534DWT Texas Instruments 1: S/7.90 501In Stock	Mfr. Part # TCA9534DWT Mouser Part # 595-TCA9534DWT	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR	Datasheet	501In Stock	Cut Tape S/7.90 S/5.84 S/5.33 S/4.75 Reel S/4.44 View S/4.20 S/4.05 S/4.01 S/3.93 MouseReel Available	Min.: 1 Mult.: 1 : 250	TCA9534	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: S/10.20 380In 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	380In Stock	Cut Tape S/10.20 S/7.59 S/6.93 S/6.23 Reel S/5.84 View S/5.53 S/5.29 S/5.22 S/5.14 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 Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr TCA9535PWR Texas Instruments 1: S/7.59 151In Stock 32,000On Order	Mfr. Part # TCA9535PWR Mouser Part # 595-TCA9535PWR	Texas Instruments	Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr Learn More about Texas Instruments ti tca9535 expander	Datasheet	151In Stock 32,000On Order On Order Ship Dates Mfr. #: TCA9535PWR Stock: 151 Can Ship Immediately On Order: 18,000 Expected 12/10/2026 14,000 Expected 1/28/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/7.59 S/5.57 S/5.06 S/4.52 Reel S/3.82 View S/4.24 S/4.09 S/3.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9535	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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR TCA9554DWT Texas Instruments 1: S/8.64 37In Stock	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	37In Stock	Cut Tape S/8.64 S/6.42 S/5.84 S/5.22 Reel S/4.90 View S/4.63 S/4.48 S/4.36 S/4.28 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