Interface - I/O Expanders

Results: 599
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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
Texas Instruments Interface - I/O Expanders Remote 16B I2C & SMB us I/O Expander
16,806Expected 2026/12/31
Cut Tape
$1.67
$1.47
$1.33
$1.19
Reel
$1.00
Min.: 1
Mult.: 1
: 3,000
TCA9555 SMD/SMT WQFN-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 8-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in XQFN16 package
244,985On Order
Cut Tape
$1.22
$0.883
$0.798
$0.706
Reel
$0.576
Min.: 1
Mult.: 1
: 4,000
PCA6408A 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 I/O Expander with Interrupt, Low Power version of PCA9555, High-Impedance I/O in HWQFN24 package
11,191On Order
Cut Tape
$2.56
$1.90
$1.74
$1.56
Reel
$1.33
Min.: 1
Mult.: 1
: 6,000
PCA9535C SMD/SMT HWQFN-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 16-bit I2C-bus I/O Expander with Interrupt and Reset in TSSOP24 package
16,179On Order
Cut Tape
$1.91
$1.41
$1.28
$1.14
Reel
$0.985
Min.: 1
Mult.: 1
: 2,500
PCA9539A 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
NXP Semiconductors Interface - I/O Expanders 16-bit I2C-bus/SMBus Level Translating I/O Expander with Interrupt and Reset in HWQFN24 package
11,996Expected 2028/01/17
Cut Tape
$3.33
$2.54
$2.30
$2.07
Reel
$1.77
Min.: 1
Mult.: 1
: 6,000
PCA9575 SMD/SMT HWQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.1 V 3.6 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 6 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
29,140Expected 2027/05/10
Cut Tape
$2.23
$1.65
$1.51
$1.36
Reel
$1.20
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
Semtech Interface - I/O Expanders 8 CHAN LOW VOLT I2C GPIO + PWM
23,944On Order
Cut Tape
$2.07
$1.54
$1.40
$1.26
Reel
$1.05
Min.: 1
Mult.: 1
: 3,000
SX1508 SMD/SMT QFN-20 I2C, Serial 8 I/O With Interrupt 1.2 V 3.6 V 2 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Renesas / Intersil Interface - I/O Expanders PERI PRG-I/O 5V 8MHZ 44PLCC COM
1,060On Order
$22.35
$17.86
$16.75
$15.53
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
Microchip Technology Interface - I/O Expanders 16B I/O Expander SPI interface
3,332On Order
$2.15
$1.80
$1.63
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
Texas Instruments Interface - I/O Expanders General-Purpose Outp ut Expander A 595-L A 595-LM8335TLE/NOPB
2,326Expected 2026/11/19
Cut Tape
$2.73
$2.72
$2.63
Reel
$2.30
Min.: 1
Mult.: 1
: 3,000
LM8335 SMD/SMT DSBGA-16 I2C, Serial 8 I/O With Interrupt 1.8 V 3.3 V 26 MHz - 30 C + 85 C Reel, Cut Tape, MouseReel 8 kV

Kinetic Technologies Interface - I/O Expanders Low Voltage 24-bit I2C-bus I/O Expander
4,976Expected 2026/12/15
Cut Tape
$2.83
$2.11
$1.93
$1.74
Reel
$1.44
Min.: 1
Mult.: 1
: 3,000
KTS1620 SMD/SMT FO-WLP66-36 I2C, Serial 24 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Remote 8B I2C & Lo- Pwr I/O Expander A 5 A 595-PCA9534PW
11,723On Order
Cut Tape
$1.76
$1.28
$1.17
$1.04
Reel
$0.876
Min.: 1
Mult.: 1
: 2,000
PCA9534 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
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander A 595-PCA9538PW
7,693On Order
Cut Tape
$2.09
$1.54
$1.40
$1.26
Reel
$1.07
Min.: 1
Mult.: 1
: 2,000
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 Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 16-Bit I2C & SMBus L o-Pwr I/O Expander
8,143On Order
Cut Tape
$2.28
$1.67
$1.54
$1.37
Reel
$1.13
Min.: 1
Mult.: 1
: 3,000
PCA9539 SMD/SMT VQFN-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 Remote 8B I2C and Lo w-Pwr I/O Expander
9,955On Order
Cut Tape
$1.72
$1.27
$1.15
$1.03
Reel
$0.863
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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534DWR 1In Stock
Cut Tape
$2.04
$1.50
$1.37
$1.22
Reel
$1.14
Min.: 1
Mult.: 1
: 250
TCA9534 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 16-bit 1.65- to 5.5- V I2C/SMBus I/O exp
5,990Expected 2026/11/23
Cut Tape
$2.04
$1.51
$1.38
$1.23
Reel
$1.02
Min.: 1
Mult.: 1
: 3,000
TCA9535 SMD/SMT VQFN-24 I2C, Serial, SMBus 16 I/O With Interrupt 1.65 V 5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders 1.65V to 5.5V Remote 4-Bit I2C and SMBus
10,790Expected 2027/11/08
Cut Tape
$1.78
$1.31
$1.19
$1.06
Reel
$0.872
Min.: 1
Mult.: 1
: 5,000
TCA9536 SMD/SMT X2SON-8 I2C, SMBus 4 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 1 kV, 2 kV, 4 kV
Texas Instruments Interface - I/O Expanders Remote 4-Bit I² C and SMBus I/O exp
14,508Expected 2027/03/15
Cut Tape
$1.63
$1.20
$1.09
$0.964
Reel
$0.809
Min.: 1
Mult.: 1
: 2,500
TCA9537 SMD/SMT VSSOP-10 I2C, Serial 4 I/O With Interrupt 1.65 V 5.5 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 2 kV
Texas Instruments Interface - I/O Expanders Rem 8B I2C & SMBus L o-Pwr I/O Expander
9,512Expected 2026/12/17
Cut Tape
$2.04
$1.50
$1.36
$1.22
Reel
$1.04
Min.: 1
Mult.: 1
: 2,000
TCA9538 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
Texas Instruments Interface - I/O Expanders 8-bit translating I& sup2;C-bus/SMBus I/
6,000On Order
Cut Tape
$1.54
$1.12
$1.02
$0.899
Reel
$0.739
Min.: 1
Mult.: 1
: 3,000
TCAL6408 SMD/SMT X2QFN-16 I2C, Serial 8 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV

Texas Instruments Interface - I/O Expanders 16-bit translating I C-bus/SMBus I/O exp
4,230On Order
Cut Tape
$2.11
$1.56
$1.43
$1.27
Reel
$1.06
Min.: 1
Mult.: 1
: 3,000
TCAL6416 SMD/SMT WQFN-24 I2C, Serial 16 I/O With Interrupt 1.08 V 3.6 V 100 kHz - 40 C + 125 C Reel, Cut Tape, MouseReel 4 kV
Texas Instruments Interface - I/O Expanders ULTRA LOW VOLTAGE AG ILE I/O EXPANDER
6,000Expected 2027/11/08
$2.26
$1.67
$1.54
$1.37
Min.: 1
Mult.: 1
TCAL9538 SMD/SMT X2QFN-16 I2C, Serial, SMBus 9 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C
Texas Instruments Interface - I/O Expanders 16-bit low-voltage I C-bus and SMBus I/O
9,625On Order
Cut Tape
$2.23
$1.64
$1.50
$1.34
Reel
$1.15
Min.: 1
Mult.: 1
: 5,000
TCAL9539 SMD/SMT WQFN-24 I2C, Serial 16 I/O With Interrupt 1.08 V 3.6 V 1 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel
Texas Instruments Interface - I/O Expanders 48-bit SPI bus I/O expander with interrupt, reset, and I/O configurable registers
2,500Expected 2027/02/19
Cut Tape
$2.50
$1.86
$1.69
$1.52
Reel
$1.29
Min.: 1
Mult.: 1
: 2,500
SMD/SMT TSSOP-56 SPI 48 I/O With Interrupt 1.65 V 5.5 V 10 MHz - 40 C + 125 C Reel, Cut Tape, MouseReel 2 kV