25 mA Interface - I/O Expanders

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Description Datasheet Availability Pricing (IDR) 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 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Agile I/O in HWQFN24 package
Datasheet
4.739In Stock
18.000Expected 12/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCAL9555A 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
Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
610In Stock
2.425Expected 14/09/2026
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 8-bit I/O Expander I2C interface
Datasheet
277In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-18 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 8-bit I/O Expander I2C interface
Datasheet
336Expected 25/09/2026
Min.: 1
Mult.: 1

SMD/SMT SOIC-18 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 16 bit In/Out
Datasheet
491In Stock
Min.: 1
Mult.: 1

Through Hole SPDIP-28 I2C, Serial 16 I/O With Interrupt 2 V 5.5 V 400 kHz - 40 C + 85 C Tube Without ESD Protection
Microchip Technology Interface - I/O Expanders 16B I/O Expander I2C interface
Datasheet
281In Stock
270Expected 28/09/2026
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 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
401In Stock
Min.: 1
Mult.: 1

Through Hole SPDIP-28 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 8-bit I/O Expander SPI interface
Datasheet
211In 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 4 kV
Microchip Technology Interface - I/O Expanders 8-bit I/O Expander SPI interface
Datasheet
288In Stock
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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9535DWR
Datasheet
76In Stock
Min.: 1
Mult.: 1

PCA9535 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
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander A 595-PCA9539DBR
Datasheet
70In Stock
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
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
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 Remote 8B I2C & Lo- Pwr I/O Expander
Datasheet
1.279In Stock
15.000On Order
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

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554B in HVQFN16 package
Datasheet
610In Stock
6.000Expected 21/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCA9554C 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
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
505In 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
1.506In 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
416In Stock
6.000Expected 07/10/2026
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 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in HWQFN24 package
Datasheet
110In Stock
30.000Expected 18/09/2026
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 16-bit I2C-bus I/O Expander with Interrupt and Agile I/O in TSSOP24 package
Datasheet
110In Stock
20.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCAL9535A SMD/SMT TSSOP-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 16-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package
Datasheet
110In Stock
7.500Expected 17/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCAL9539A SMD/SMT TSSOP-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
Microchip Technology Interface - I/O Expanders 16-Bit, Open Drain I/O Expander with I2C Interface
Datasheet
11In Stock
Min.: 1
Mult.: 1
: 3.300
SMD/SMT QFN-24 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C AEC-Q100 Reel, Cut Tape Without ESD Protection
Texas Instruments Interface - I/O Expanders 8bit I/O Expndr A 59 5-PCF8574DW A 595-P A 595-PCF8574DW
Datasheet
15.216Expected 26/11/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCF8574 SMD/SMT SOIC-16 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 and Different Address than PCA9554C in HVQFN16 package
Datasheet
34.995On Order
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCA9554B 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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554C in TSSOP16 package
Datasheet
25.000Expected 17/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9554B 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt, Reset and Agile I/O in TSSOP24 package
Datasheet
27.356On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCAL6416A 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