Interface - I/O Expanders

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Texas Instruments Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus
Datasheet
76In Stock
4.000Expected 8/13/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCF8574A SMD/SMT TVSOP-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
Texas Instruments Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus
Datasheet
960In Stock
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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CDWR
Datasheet
232In Stock
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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575CPW
Datasheet
108In Stock
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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575DB
Datasheet
263In Stock
4.000Expected 8/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCF8575 SMD/SMT SSOP-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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCF8575PW
Datasheet
106In Stock
10.000Expected 11/23/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCF8575 SMD/SMT TSSOP-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
Infineon Technologies Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM
Datasheet
107In Stock
Min.: 1
Mult.: 1

CY8C95xx SMD/SMT SSOP-48 I2C, Serial 40 I/O With Interrupt 3 V 5.25 V 12 MHz - 40 C + 85 C Tube 2 kV
Infineon Technologies Interface - I/O Expanders 60BIT IO EXPANDER W/EEPROM
Datasheet
889In Stock
900Expected 9/3/2026
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
Analog Devices Interface - I/O Expanders 10 Chnl Keypad controller &GPIO expander
Datasheet
9In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

ADP5585 SMD/SMT WLCSP-16 I2C, Serial 10 I/O With Interrupt 1.8 V 3 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Analog Devices Interface - I/O Expanders Column Keypad Scanner & GPIO Port Expand
Datasheet
114In Stock
1.500Expected 3/10/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1.500

ADP5587 SMD/SMT LFCSP-24 I2C, Serial 18 I/O With Interrupt 1.65 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders Expandable 5-Ch I2C Hub A 595-PCA9518DWT A 595-PCA9518DWT
Datasheet
133In Stock
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
Texas Instruments Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534APW
Datasheet
5In Stock
4.000Expected 8/24/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCA9534A 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
Texas Instruments Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander
Datasheet
1.048In Stock
5.000Expected 8/24/2026
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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander R 595-TCA9535PWR
Datasheet
380In Stock
4.000Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCA9535 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
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538DWR
Datasheet
64In Stock
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
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW
Datasheet
75In Stock
8.000Expected 11/26/2026
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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
42In Stock
3.000Expected 10/22/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

PCA9539 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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DB
Datasheet
660In Stock
2.000Expected 8/17/2026
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
Texas Instruments Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander
Datasheet
137In Stock
51.000On Order
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
Texas Instruments Interface - I/O Expanders Remote 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR
Datasheet
282In Stock
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
Texas Instruments Interface - I/O Expanders 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp A 595-TCA9535DBR
Datasheet
147In Stock
250Expected 9/7/2026
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
Texas Instruments Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr
Datasheet
151In Stock
25.910On Order
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


Texas Instruments Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus
Datasheet
939In Stock
7.500Expected 8/27/2026
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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR
Datasheet
457In Stock
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
Texas Instruments Interface - I/O Expanders Remote 8-B I2C & SM Bus I/O Expander
Datasheet
623In Stock
18.000On Order
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