CA 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 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP16 package
Datasheet
1.828In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

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 AEC-Q100 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
11.261In Stock
12.000Expected 12/10/2026
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 16-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in TSSOP24 package
Datasheet
4.940In Stock
17.500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9539 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

NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Different Address with PCA9554 in TSSOP16 package
Datasheet
7.152In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

PCA9554A 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SO24 package
Datasheet
4.388In Stock
7.000Expected 14/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

PCA9555 SMD/SMT SO-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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus I/O Expander with Interrupt in SSOP24 package
Datasheet
6.683In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

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
NXP Semiconductors Interface - I/O Expanders 4-bit I2C-bus GPO Expander in XQFN8 package
Datasheet
23.595In Stock
24.000Expected 08/10/2026
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 40-bit I2C-bus Advanced I/O Expander with Interrupt, Reset and Output Enable in TSSOP56 package
Datasheet
2.026In Stock
6.000Expected 14/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

PCA9698 SMD/SMT TSSOP-56 I2C, Serial 40 I/O With Interrupt 2.3 V 5.5 V 1 MHz - 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
3.795In 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
1.901In 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 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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in HVQFN16 package
Datasheet
6.371In Stock
6.000Expected 18/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 6.000

PCAL9538A SMD/SMT HVQFN-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 8-bit I2C-bus/SMBus I/O Expander with Interrupt, Reset and Agile I/O in TSSOP16 package
Datasheet
12.204In 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 and Agile I/O in HWQFN24 package
Datasheet
8.931In 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

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
Datasheet
189In Stock
1.040Expected 15/12/2026
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

Renesas / Intersil Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
Datasheet
547In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz 0 C + 70 C Reel, Cut Tape, MouseReel Without ESD Protection

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC INDEL
Datasheet
461In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

82C55A SMD/SMT PLCC-44 Parallel 24 I/O With Interrupt 4.5 V 5.5 V 8 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 1 kV
Microchip Technology Interface - I/O Expanders In/Out I2C int
Datasheet
659In 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
25In Stock
336Expected 04/09/2026
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 16B I/O Expander I2C interface
Datasheet
281In Stock
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
406In 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
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
Datasheet
563In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-28 Serial, SPI 16 I/O With Interrupt 1.8 V 5.5 V 10 MHz - 40 C + 125 C Tube Without ESD Protection