25 mA Interface - I/O Expanders

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Description Datasheet Availability Pricing (CRC) 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
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ESD Protection

Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
9 235In 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 16B I/O Expander I2C interface
Datasheet
1 195In Stock
1 911Expected 9/17/2026
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 In/Out SPI int
Datasheet
1 078In Stock
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 Without ESD Protection

Microchip Technology Interface - I/O Expanders In/Out SPI int
Datasheet
9 131In Stock
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 In/Out SPI int
Datasheet
11 707In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 600

SMD/SMT SSOP-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 16bit Input/Output Exp SPI interface
Datasheet
5 250In Stock
Min.: 1
Mult.: 1

MCP23S17 SMD/SMT QFN-28 Serial, SPI 16 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 16B I/O Expander SPI interface
Datasheet
910In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 Serial, SPI 16 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 16B I/O Expander SPI interface
Datasheet
3 694In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 300

MCP23S18 SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel Without ESD Protection
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
1 525In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

PCA9539 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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DW
Datasheet
2 336In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

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 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
2 929In Stock
10 000Expected 12/17/2026
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
Texas Instruments Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O
Datasheet
808In Stock
3 000Expected 9/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

TCAL9539 SMD/SMT TSSOP-24 I2C, Serial 16 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface
Datasheet
10 122In Stock
15 886Expected 9/22/2026
Min.: 1
Mult.: 1

MCP23017 SMD/SMT SSOP-28 I2C, Serial 16 I/O With Interrupt 1.8 V 5.5 V 1.7 MHz - 40 C + 125 C Tube 4 kV
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander
Datasheet
770In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

PCA9535 SMD/SMT QSOP-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 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT
Datasheet
4 810In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

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 Remote 8B I2C & SMBu s I/O Expander
Datasheet
9 110In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

TCA9554A 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 8-bit I2C-bus/SMBus I/O Expander with 2-kbit EEPROM, Interrupt and Quasi feature in TSSOP20 package
Datasheet
5 900In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

PCA9501 SMD/SMT TSSOP-20 I2C, Serial, SMBus 8 I/O With Interrupt 2.5 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus I/O Expander with Interrupt and Reset in HVQFN16 package
Datasheet
7 448In Stock
18 000Expected 9/21/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9538A SMD/SMT HVQFN-16 I2C, Serial, SMBus 8 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 8-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
2 662In Stock
5 000Expected 10/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

PCA9538A SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 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 16-bit I2C-bus I/O Expander with Interrupt and Reset in HWQFN24 package
Datasheet
12 277In Stock
12 000Expected 10/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCA9539A 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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package
Datasheet
22 807In Stock
24 000Expected 8/16/2027
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

PCA9570 SMD/SMT XQFN-8 I2C, Serial 4 I/O Without Interrupt 1.1 V 3.6 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in X2QFN16 package
Datasheet
1 487In Stock
15 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

PCAL6408A SMD/SMT X2QFN-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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in XQFN16 package
Datasheet
11 788In Stock
96 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

PCAL6408A SMD/SMT XQFN-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 VFBGA24 package
Datasheet
2 218In Stock
6 000Expected 10/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6 000

PCAL6416A SMD/SMT VFBGA-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 34-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in VFBGA42 package
Datasheet
4 400In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

PCAL6534 SMD/SMT VFBGA-42 I2C, Serial, SMBus 34 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV