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Interface - I/O Expanders

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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 16-Bit I2C & SMBus L o-Pwr I/O Expander PCA9535RGER Texas Instruments 1: $2.86 134In Stock 18,000Expected 4/2/2027	Mfr. Part No. PCA9535RGER Mouser Part No 595-PCA9535RGER	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	134In Stock 18,000Expected 4/2/2027	Cut Tape $2.86 $2.11 $1.93 $1.73 Reel $1.44 View $1.62 $1.56 $1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9535	SMD/SMT	VQFN-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 Remote 4-Bit I2C and SMBus I/O Expander PCA9536DGKR Texas Instruments 1: $2.12 3,416In Stock 22,500On Order	Mfr. Part No. PCA9536DGKR Mouser Part No 595-PCA9536DGKR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander	Datasheet	3,416In Stock 22,500On Order On Order Ship Dates Mfr. No: PCA9536DGKR Stock: 3,416 Can Dispatch Immediately On Order: 10,000 Expected 12/4/2027 12,500 Expected 17/5/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.12 $1.56 $1.41 $1.25 Reel $1.08 View $1.18 $1.13 $1.12 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	VSSOP-8	I2C, Serial, SMBus	4 I/O	Without Interrupt	2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DGKR PCA9536DGKRG4 Texas Instruments 1: $2.15 2,327In Stock 2,500Expected 19/11/2026	Mfr. Part No. PCA9536DGKRG4 Mouser Part No 595-PCA9536DGKRG4	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander ALT 595-PCA9536DGKR	Datasheet	2,327In Stock 2,500Expected 19/11/2026	Cut Tape $2.15 $1.56 $1.43 $1.26 Reel $0.96 View $1.18 $1.13 $1.12 $0.938 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	PCA9536	SMD/SMT	VSSOP-8	I2C, Serial, SMBus	4 I/O	Without 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-PCA9538DWR PCA9538DW Texas Instruments 1: $6.16 579In Stock	Mfr. Part No. PCA9538DW Mouser Part No 595-PCA9538DW	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DWR	Datasheet	579In Stock	$6.16 $4.64 $4.27 $3.84 View $3.71 $3.43 $3.39	Min.: 1 Mult.: 1	PCA9538	SMD/SMT	SOIC-16	I2C, Serial, SMBus	8 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 R 595-TCA9539PWR PCA9539PWR Texas Instruments 1: $6.09 5,527In Stock	Mfr. Part No. PCA9539PWR Mouser Part No 595-PCA9539PWR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9539PWR	Datasheet	5,527In Stock	Cut Tape $6.09 $4.62 $4.26 $3.85 Reel $3.44 View $3.66 $3.54 $3.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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 Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW PCA9554DGVR Texas Instruments 1: $5.02 990In Stock	Mfr. Part No. PCA9554DGVR Mouser Part No 595-PCA9554DGVR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I2C and SMBus I/O Expander A 595-PCA9554DW	Datasheet	990In Stock	Cut Tape $5.02 $3.74 $3.43 $3.07 Reel $2.65 View $2.90 $2.84 $2.69 $2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TVSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR PCA9554PWR Texas Instruments 1: $3.70 1,843In Stock	Mfr. Part No. PCA9554PWR Mouser Part No 595-PCA9554PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-TCA9554PWR	Datasheet	1,843In Stock	Cut Tape $3.70 $2.76 $2.53 $2.27 Reel $1.93 View $2.14 $2.09 $2.04 $1.89 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9554	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O		2.3 V	5.5 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR PCA9555DW Texas Instruments 1: $7.52 922In Stock	Mfr. Part No. PCA9555DW Mouser Part No 595-PCA9555DW	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DWR	Datasheet	922In Stock	$7.52 $5.74 $5.28 $4.79 View $4.58 $4.50 $4.47 $4.45	Min.: 1 Mult.: 1	PCA9555	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 Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB PCA9557DBR Texas Instruments 1: $4.22 1,875In Stock	Mfr. Part No. PCA9557DBR Mouser Part No 595-PCA9557DBR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s Lo-Pwr I/O Exp A A 595-PCA9557DB	Datasheet	1,875In Stock	Cut Tape $4.22 $3.16 $2.90 $2.60 Reel $2.26 View $2.46 $2.42 $2.30 $2.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	SSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 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 A 59 A 595-PCA9557PW PCA9557PWR Texas Instruments 1: $2.80 2,907In Stock 4,000Expected 22/3/2027	Mfr. Part No. PCA9557PWR Mouser Part No 595-PCA9557PWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & SMBu s I/O Expander A 59 A 595-PCA9557PW Learn More about Texas Instruments ti pca95xx	Datasheet	2,907In Stock 4,000Expected 22/3/2027	Cut Tape $2.80 $2.07 $1.89 $1.69 Reel $1.47 View $1.59 $1.54 $1.50 $1.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9557	SMD/SMT	TSSOP-16	I2C, Serial, SMBus	8 I/O	Without Interrupt	2.5 V	6 V	400 kHz	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW PCF8574ADWR Texas Instruments 1: $2.16 8,457In Stock	Mfr. Part No. PCF8574ADWR Mouser Part No 595-PCF8574ADWR	Texas Instruments	Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574ADW A 595- A 595-PCF8574ADW	Datasheet	8,457In Stock	Cut Tape $2.16 $1.58 $1.44 $1.27 Reel $1.06 View $1.20 $1.15 $1.14 $1.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCF8574A	SMD/SMT	SOIC-16	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-PCF8575CDBR PCF8575CDB Texas Instruments 1: $10.49 514In Stock	Mfr. Part No. PCF8575CDB Mouser Part No 595-PCF8575CDB	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDBR	Datasheet	514In Stock	$10.49 $8.11 $7.07 $6.77 View $6.45 $6.07 $5.93	Min.: 1 Mult.: 1	PCF8575C	SMD/SMT	SSOP-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 Lo-Vltg 8B I2C & SMB us I/O Expander TCA6408APWR Texas Instruments 1: $2.46 6,015In Stock	Mfr. Part No. TCA6408APWR Mouser Part No 595-TCA6408APWR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	6,015In Stock	Cut Tape $2.46 $1.81 $1.65 $1.47 Reel $1.24 View $1.37 $1.32 $1.21 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: $2.12 5,195In Stock 27,000Expected 21/1/2027	Mfr. Part No. TCA6408ARGTR Mouser Part No 595-TCA6408ARGTR	Texas Instruments	Interface - I/O Expanders Lo-Vltg 8B I2C & SMB us I/O Expander	Datasheet	5,195In Stock 27,000Expected 21/1/2027	Cut Tape $2.12 $1.55 $1.40 $1.24 Reel $1.12 View $1.18 $1.16 $1.09 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: $3.33 4,759In Stock	Mfr. Part No. TCA6418EYFPR Mouser Part No 595-TCA6418EYFPR	Texas Instruments	Interface - I/O Expanders I2C Controlled 18 Ch GPIO Expander	Datasheet	4,759In Stock	Cut Tape $3.33 $2.46 $2.24 $2.00 View Reel $1.55 $1.89 $1.84 $1.55 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 TCA9534APWR Texas Instruments 1: $2.34 1,765In Stock 10,000On Order	Mfr. Part No. TCA9534APWR Mouser Part No 595-TCA9534APWR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander	Datasheet	1,765In Stock 10,000On Order On Order Ship Dates Mfr. No: TCA9534APWR Stock: 1,765 Can Dispatch Immediately On Order: 4,000 Expected 8/2/2027 6,000 Expected 1/3/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.34 $1.73 $1.56 $1.40 Reel $1.17 View $1.31 $1.26 $1.25 $1.15 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	TCA9534A	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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWT TCA9534DWR Texas Instruments 1: $2.35 2,004In Stock	Mfr. Part No. TCA9534DWR Mouser Part No 595-TCA9534DWR	Texas Instruments	Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWT	Datasheet	2,004In Stock	Cut Tape $2.35 $1.73 $1.58 $1.40 $1.31 Reel $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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 Remote 16bit I2C LP I/O Expander A 595-T A 595-TCA9535DBT TCA9535DBR Texas Instruments 1: $2.77 1,701In Stock	Mfr. Part No. TCA9535DBR Mouser Part No 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	1,701In Stock	Cut Tape $2.77 $2.05 $1.88 $1.67 Reel $1.41 View $1.58 $1.52 $1.48 $1.36 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: $2.42 5,737In Stock	Mfr. Part No. TCA9536BDTMR Mouser Part No 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	5,737In Stock	Cut Tape $2.42 $1.78 $1.62 $1.44 View Reel $1.17 $1.35 $1.30 $1.29 $1.25 $1.17 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: $2.43 2,314In Stock	Mfr. Part No. TCA9536CDTMR Mouser Part No 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 $2.43 $1.78 $1.62 $1.44 View Reel $1.19 $1.35 $1.30 $1.29 $1.22 $1.19 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: $2.30 5,086In Stock	Mfr. Part No. TCA9536DGKR Mouser Part No 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	5,086In Stock	Cut Tape $2.30 $1.69 $1.52 $1.35 Reel $1.13 View $1.27 $1.22 $1.21 $1.11 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 Rem 16B I2C & SMBus Low-Pwr I/O Expander TCA9539PWR Texas Instruments 1: $2.65 13,881In Stock 14,000Expected 11/3/2027	Mfr. Part No. TCA9539PWR Mouser Part No 595-TCA9539PWR	Texas Instruments	Interface - I/O Expanders Rem 16B I2C & SMBus Low-Pwr I/O Expander	Datasheet	13,881In Stock 14,000Expected 11/3/2027	Cut Tape $2.65 $1.96 $1.78 $1.59 Reel $1.35 View $1.50 $1.44 $1.32 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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan TCA9554DBR Texas Instruments 1: $2.57 2,019In Stock	Mfr. Part No. TCA9554DBR Mouser Part No 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 $2.57 $1.89 $1.73 $1.54 Reel $1.33 View $1.46 $1.40 $1.39 $1.27 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 Remote 8-B I2C & SM Bus I/O Expander TCA9554PWR Texas Instruments 1: $2.37 11,259In Stock	Mfr. Part No. TCA9554PWR Mouser Part No 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	11,259In Stock	Cut Tape $2.37 $1.73 $1.56 $1.39 Reel $1.16 View $1.31 $1.26 $1.24 $1.14 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: $3.06 3,325In Stock	Mfr. Part No. TCA9555DBR Mouser Part No 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	3,325In Stock	Cut Tape $3.06 $2.27 $2.07 $1.85 Reel $1.62 View $1.74 $1.69 $1.66 $1.54 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