Interface IC's Interface - I/O Expanders

Results: 649
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Description Datasheet Availability Pricing (JPY) 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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in TSSOP8 package
Datasheet
34,596In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCA9536 SMD/SMT TSSOP-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

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port
Datasheet
4,177In Stock
MouseReel Available
Min.: 1
Mult.: 1
Max.: 160
: 2,500

PIO4IO 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 4 kV
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr
Datasheet
1,048In Stock
Min.: 1
Mult.: 1

PCF8574A Through Hole PDIP-16 I2C, Serial 8 I/O With Interrupt 2.5 V 6 V 100 kHz - 40 C + 85 C Tube 1 kV
Texas Instruments Interface - I/O Expanders Remote 8-Bit I/O Exp ander for I2C-Bus
Datasheet
1,522In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

PCF8574 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
NXP Semiconductors Interface - I/O Expanders 14-bit SPI Level Translating I/O Expander with Agile I/O in HVQFN24 package
Datasheet
4,461In Stock
Min.: 1
Mult.: 1
: 6,000

PCAL9714 SMD/SMT HVQFN-24 I2C, Serial With Interrupt 1.1 V 5.5 V 5 MHz - 40 C + 85 C Reel, Cut Tape 2 kV
Nexperia Interface - I/O Expanders NCA9535PW/SOT355/TSSOP24
Datasheet
2,901In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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
Infineon Technologies Interface - I/O Expanders 11Kb 40 IO EXPANDER W/EEPROM
Datasheet
683In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

CY8C95xx SMD/SMT SSOP-48 I2C, Serial, SMBus 40 I/O With Interrupt 3 V 5.25 V 100 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-PCF8575CDW
Datasheet
1,070In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

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 Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574APW A 595- A 595-PCF8574APW
Datasheet
3,023In Stock
10,000Expected 9/21/2026
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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
Datasheet
14,001In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL9538A SMD/SMT TSSOP-16 I2C, Serial 8 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 40-bit I2C-bus I/O Expander with Interrupt, Output Enable and Reset in TSSOP56 package
Datasheet
5,485In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCA9505 SMD/SMT TSSOP-56 I2C, Serial 40 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 I2C-Compatible Keypd Cntlr GPIO PWM A 59 A 595-LM8330TMX/NOPB
Datasheet
1,058In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 250

LM8330 SMD/SMT DSBGA-25 I2C, Serial With Interrupt 1.62 V 1.98 V 400 kHz - 30 C + 85 C Reel, Cut Tape, MouseReel 8 kV

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
Datasheet
185In Stock
1,040Expected 12/15/2026
Min.: 1
Mult.: 1

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz 0 C + 70 C Tube Without ESD Protection
Diodes Incorporated Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port
Datasheet
1,627In Stock
3,500Expected 8/3/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 650
: 3,500

PIO4IO SMD/SMT TQFN-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 4 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C and Lo w-Pwr I/O Expander
Datasheet
8,104In Stock
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
Analog Devices / Maxim Integrated Interface - I/O Expanders I C Port Expander with 4 Push-Pull Outputs and 4 Open-Drain I/Os
Datasheet
15In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

MAX7323 SMD/SMT TQFN-EP-16 Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in HWQFN24 package
Datasheet
29,902Expected 10/6/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL9535A SMD/SMT HWQFN-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus/SMBus I/O Expander in HVSON8 package
Datasheet
17,775In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCA9536 SMD/SMT HVSON-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

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port
Datasheet
3,620In Stock
Min.: 1
Mult.: 1
Max.: 460
: 2,500

PIO4IO 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 4 kV
Texas Instruments Interface - I/O Expanders Remote 4-Bit I2C and SMBus I/O Expander A 595-PCA9536D
Datasheet
10,607In Stock
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
Texas Instruments Interface - I/O Expanders Remote 16-Bit I2C & SMBus I/O Expander A A 595-PCA9555DW
Datasheet
76In Stock
1,900Expected 7/31/2026
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
Texas Instruments Interface - I/O Expanders 1.65 to 5.5V 16bit I /O Expander A 595-T A 595-TCA9555DBT
Datasheet
3,613In Stock
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
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574PW A 595-P A 595-PCF8574PW
Datasheet
4,838In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

PCF8574 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
17,386In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL9539A SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 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-PCA9538DW
Datasheet
1,943In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

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 Reel, Cut Tape, MouseReel 2 kV