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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 8-bit I/O Expander SPI interface MCP23S09-E/P Microchip Technology 1: $2.30 211In Stock	Mfr. Part No. MCP23S09-E/P Mouser Part No 579-MCP23S09-E/P	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	211In Stock	$2.30 $1.90 $1.74	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	4 kV
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09-E/SO Microchip Technology 1: $2.20 283In Stock 294Expected 10/11/2026	Mfr. Part No. MCP23S09-E/SO Mouser Part No 579-MCP23S09-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	283In Stock 294Expected 10/11/2026	$2.20 $1.84 $1.69	Min.: 1 Mult.: 1		SMD/SMT	SOIC-18	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	4 kV
Interface - I/O Expanders 8-bit I/O Expander SPI interface MCP23S09T-E/SO Microchip Technology 1: $2.31 1,086In Stock	Mfr. Part No. MCP23S09T-E/SO Mouser Part No 579-MCP23S09T-E/SO	Microchip Technology	Interface - I/O Expanders 8-bit I/O Expander SPI interface	Datasheet	1,086In Stock	Cut Tape $2.31 $1.94 Reel $1.75 MouseReel Available	Min.: 1 Mult.: 1 : 1,100		SMD/SMT	SOIC-18	Serial, SPI	8 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel	4 kV
Interface - I/O Expanders 16B I/O Expander SPI interface MCP23S18-E/SP Microchip Technology 1: $3.07 500In Stock	Mfr. Part No. MCP23S18-E/SP Mouser Part No 579-MCP23S18-E/SP	Microchip Technology	Interface - I/O Expanders 16B I/O Expander SPI interface	Datasheet	500In Stock	$3.07 $2.56 $2.31	Min.: 1 Mult.: 1		Through Hole	PDIP-28	Serial, SPI	16 I/O	With Interrupt	1.8 V	5.5 V	10 MHz	- 40 C	+ 125 C	Tube	Without ESD Protection
Interface - I/O Expanders Digital CAN I/O MCP25020-I/P Microchip Technology 1: $5.18 117In Stock	Mfr. Part No. MCP25020-I/P Mouser Part No 579-MCP25020-I/P	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	117In Stock	$5.18 $4.32 $4.30	Min.: 1 Mult.: 1		Through Hole	PDIP-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 65 C	+ 150 C	Tube	3.5 kV
Interface - I/O Expanders Digital CAN I/O MCP25020-I/SL Microchip Technology 1: $4.95 89In Stock	Mfr. Part No. MCP25020-I/SL Mouser Part No 579-MCP25020-I/SL	Microchip Technology	Interface - I/O Expanders Digital CAN I/O	Datasheet	89In Stock	$4.95 $4.12 $4.08	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	CAN	8 I/O	Without Interrupt	2.75 V	5.5 V	25 MHz	- 40 C	+ 85 C	Tube	3.5 kV
Interface - I/O Expanders Mixed signal Expandr MCP25050-E/P Microchip Technology 1: $8.26 27In Stock	Mfr. Part No. MCP25050-E/P Mouser Part No 579-MCP25050-E/P	Microchip Technology	Interface - I/O Expanders Mixed signal Expandr	Datasheet	27In Stock	$8.26 $6.90 $6.66	Min.: 1 Mult.: 1		Through Hole	PDIP-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 General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB LM8335TLE/NOPB Texas Instruments 1: $6.76 170In Stock	Mfr. Part No. LM8335TLE/NOPB Mouser Part No 595-LM8335TLE/NOPB	Texas Instruments	Interface - I/O Expanders General-Purpose Outp ut Expander A 595-L A 595-LM8335TLX/NOPB	Datasheet	170In Stock	Cut Tape $6.76 $5.15 $4.75 $4.30 Reel $4.08 View $3.92 $3.78 $3.74 MouseReel Available	Min.: 1 Mult.: 1 : 250	LM8335	SMD/SMT	DSBGA-16	I2C, Serial	8 I/O	With Interrupt	1.8 V	3.3 V	26 MHz	- 30 C	+ 85 C	Reel, Cut Tape, MouseReel	8 kV
Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR PCA9534DB Texas Instruments 1: $6.85 109In Stock	Mfr. Part No. PCA9534DB Mouser Part No 595-PCA9534DB	Texas Instruments	Interface - I/O Expanders Rem 8B I2C & Lo-Pwr I/O Expander A 595-P A 595-PCA9534DBR	Datasheet	109In Stock	$6.85 $5.22 $4.43 $4.24 View $4.20 $4.19 $4.05 $4.00	Min.: 1 Mult.: 1	PCA9534	SMD/SMT	SSOP-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 Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D PCA9536DR Texas Instruments 1: $2.12 186In Stock 10,000Expected 28/1/2027	Mfr. Part No. PCA9536DR Mouser Part No 595-PCA9536DR	Texas Instruments	Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D	Datasheet	186In Stock 10,000Expected 28/1/2027	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	SOIC-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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR PCA9539DB Texas Instruments 1: $6.69 70In Stock	Mfr. Part No. PCA9539DB Mouser Part No 595-PCA9539DB	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR	Datasheet	70In Stock	$6.69 $5.10 $4.71 $4.24 View $4.04 $3.94 $3.93 $3.90	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 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR PCA9539DW Texas Instruments 1: $6.51 270In Stock	Mfr. Part No. PCA9539DW Mouser Part No 595-PCA9539DW	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DWR	Datasheet	270In Stock	$6.51 $5.07 $4.30 $4.07 View $3.85 $3.84 $3.71 $3.66	Min.: 1 Mult.: 1	PCA9539	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 Rem 8B I2C & SMBus I /O Expander PCA9554ADGVR Texas Instruments 1: $4.56 69In Stock	Mfr. Part No. PCA9554ADGVR Mouser Part No 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 $4.56 $3.40 $3.10 $2.79 View Reel $2.20 $2.64 $2.61 $2.20 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 Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW PCA9555DWR Texas Instruments 1: $5.44 193In Stock 8,000On Order	Mfr. Part No. PCA9555DWR Mouser Part No 595-PCA9555DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW	Datasheet	193In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DWR Stock: 193 Can Dispatch Immediately On Order: 4,000 Expected 18/1/2027 4,000 Expected 3/4/2028 Factory Lead Time: 12 Weeks	Cut Tape $5.44 $4.12 $3.78 $3.41 Reel $2.95 View $3.25 $3.22 $3.03 $2.82 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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	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: $2.16 183In Stock 22,000On Order	Mfr. Part No. PCF8574APWR Mouser Part No 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. No: PCF8574APWR Stock: 183 Can Dispatch Immediately On Order: 10,000 Expected 25/12/2026 12,000 Expected 22/2/2027 Factory Lead Time: 12 Weeks	Cut Tape $2.16 $1.58 $1.44 $1.28 Reel $1.05 View $1.15 $1.11 $1.10 $1.04 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: $3.48 763In Stock	Mfr. Part No. PCF8574ARGYR Mouser Part No 595-PCF8574ARGYR	Texas Instruments	Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus	Datasheet	763In Stock	Cut Tape $3.48 $2.60 $2.38 $2.12 Reel $1.78 View $2.01 $2.00 $1.74 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-PCF8575CPW PCF8575CPWR Texas Instruments 1: $9.60 94In Stock	Mfr. Part No. PCF8575CPWR Mouser Part No 595-PCF8575CPWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW	Datasheet	94In Stock	Cut Tape $9.60 $7.36 $6.80 $6.19 View Reel $5.78 $5.90 $5.79 $5.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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	Reel, Cut Tape, MouseReel	2 kV
Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW PCF8575DWR Texas Instruments 1: $4.26 323In Stock 4,000Expected 24/12/2026	Mfr. Part No. PCF8575DWR Mouser Part No 595-PCF8575DWR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DW	Datasheet	323In Stock 4,000Expected 24/12/2026	Cut Tape $4.26 $3.20 $2.92 $2.64 Reel $2.26 View $2.49 $2.45 $2.38 $2.22 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 Remote 8-bit I2C SMB us I/O Expander TCA9554DBQR Texas Instruments 1: $2.67 1,185In Stock 2,500Expected 19/11/2026	Mfr. Part No. TCA9554DBQR Mouser Part No 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	1,185In Stock 2,500Expected 19/11/2026	Cut Tape $2.67 $1.97 $1.80 $1.60 Reel $1.35 View $1.51 $1.46 $1.32 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 Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT PCA9518DW Texas Instruments 1: $6.98 129In Stock	Mfr. Part No. PCA9518DW Mouser Part No 595-PCA9518DW	Texas Instruments	Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT	Datasheet	129In Stock	$6.98 $5.32 $4.88 $4.43 View $4.23 $4.07 $4.04 $4.03	Min.: 1 Mult.: 1	PCA9518	SMD/SMT	SOIC-20	I2C, Serial	5 I/O	Without Interrupt	3 V	3.6 V	400 kHz	- 40 C	+ 85 C	Tube	2 kV
Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander PCA9534DGVR Texas Instruments 1: $6.16 203In Stock	Mfr. Part No. PCA9534DGVR Mouser Part No 595-PCA9534DGVR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander	Datasheet	203In Stock	Cut Tape $6.16 $4.64 $4.26 $3.85 View Reel $3.32 $3.64 $3.62 $3.40 $3.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	PCA9534	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 Remote 8B I2C & Lo- Pwr I/O Expander PCA9534RGVR Texas Instruments 1: $2.71 131In Stock 30,000On Order	Mfr. Part No. PCA9534RGVR Mouser Part No 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. No: PCA9534RGVR Stock: 131 Can Dispatch Immediately On Order: 7,500 Expected 1/2/2027 15,000 Expected 8/3/2027 7,500 Expected 2/4/2027 Factory Lead Time: 20 Weeks	Cut Tape $2.71 $2.16 $1.97 $1.75 Reel $1.48 View $1.66 $1.60 $1.54 $1.44 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: $6.53 328In Stock 2,000Expected 10/5/2027	Mfr. Part No. PCA9535DGVR Mouser Part No 595-PCA9535DGVR	Texas Instruments	Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander	Datasheet	328In Stock 2,000Expected 10/5/2027	Cut Tape $6.53 $4.92 $4.52 $4.08 View Reel $3.59 $3.88 $3.84 $3.60 $3.59 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 Remote 8B I2C and Lo -Pwr I/O Expander PCA9554ARGTR Texas Instruments 1: $2.27 1,889In Stock 9,000Expected 8/3/2027	Mfr. Part No. PCA9554ARGTR Mouser Part No 595-PCA9554ARGTR	Texas Instruments	Interface - I/O Expanders Remote 8B I2C and Lo -Pwr I/O Expander Learn More about Texas Instruments ti pca95xx	Datasheet	1,889In Stock 9,000Expected 8/3/2027	Cut Tape $2.27 $1.67 $1.52 $1.35 Reel $1.13 View $1.27 $1.22 $1.21 $1.11 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PCA9554A	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 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB PCA9555DBR Texas Instruments 1: $3.24 84In Stock 8,000On Order	Mfr. Part No. PCA9555DBR Mouser Part No 595-PCA9555DBR	Texas Instruments	Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB	Datasheet	84In Stock 8,000On Order On Order Ship Dates Mfr. No: PCA9555DBR Stock: 84 Can Dispatch Immediately On Order: 4,000 Expected 21/1/2027 4,000 Expected 22/4/2027 Factory Lead Time: 20 Weeks	Cut Tape $3.24 $2.41 $2.20 $1.97 Reel $1.67 View $1.86 $1.81 $1.77 $1.62 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