Interface - I/O Expanders

Results: 631
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Description Datasheet Availability Pricing (GBP) 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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
Datasheet
54,262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

PCAL6408A 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HWQFN24 package
Datasheet
48,029In Stock
60,000Expected 24/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6,000

PCAL6416A SMD/SMT HWQFN-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
NXP Semiconductors Interface - I/O Expanders 24-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in HUQFN32 package
Datasheet
24,808In Stock
33,000Expected 31/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 500

PCAL6524 SMD/SMT HUQFN-32 I2C, Serial, SMBus 24 I/O With Interrupt 800 mV 3.6 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel
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 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

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC IND
Datasheet
742In Stock
Min.: 1
Mult.: 1

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Tube 1 kV
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
Datasheet
191In Stock
9,000Expected 22/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Max.: 270
: 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
Nexperia Interface - I/O Expanders NCA9539BY/SOT8041/HWQFN24
Datasheet
350In Stock
Min.: 1
Mult.: 1
: 3,000

SMD/SMT HWQFN-24 Reel, Cut Tape
Nexperia Interface - I/O Expanders NCA9555BY-Q100/SOT8041/HWQFN24
Datasheet
158In Stock
3,000Expected 03/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5.5 V 100 kHz, 400 kHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape, MouseReel

Kinetic Technologies Interface - I/O Expanders Low Voltage 16-Bit I2C-bus I/O Expander
Datasheet
28,175In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

KTS1622 SMD/SMT TQFN44-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp I2C interface
Datasheet
12,009In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
1,827In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-18 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
8,989In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-18 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
9,241In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
8,892In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,600

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection

Microchip Technology Interface - I/O Expanders 8-bit I/O Expander I2C interface
Datasheet
3,362In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
6,446In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-16 I2C, Serial 8 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV

Microchip Technology Interface - I/O Expanders 16B I/O Expander I2C interface
Datasheet
1,303In Stock
1,911Expected 17/09/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander I2C interface
Datasheet
6,267In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 16-bit I/O Expander I2C interface
Datasheet
5,772In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,100

SMD/SMT SSOP-24 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 3.4 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp SPI interface
Datasheet
5,857In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
2,833In Stock
6,298Expected 07/08/2026
Min.: 1
Mult.: 1

SMD/SMT SSOP-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 8bit Input/Output Exp SPI interface
Datasheet
3,488In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-20 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
10,830In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-16 Serial, SPI 8 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube 4 kV
Microchip Technology Interface - I/O Expanders 8B I/O Expander SPI interface
Datasheet
Product Comments
2,753In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,300

SMD/SMT QFN-16 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