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 Lo-Vltg 16B I2C & SM Bus I/O Exp 20In Stock
12,000On Order
Cut Tape
$2.05
$1.51
$1.38
$1.23
Reel
$1.05
Min.: 1
Mult.: 1
: 2,000
TCA6416A 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
Texas Instruments Interface - I/O Expanders Lo-Vltg 16B I2C and SMBus I/O Expander 119In Stock
27,000Expected 12/17/2026
Cut Tape
$2.10
$1.55
$1.41
$1.26
Reel
$1.06
Min.: 1
Mult.: 1
: 3,000
TCA6416A 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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9534ADWT 443In Stock
4,000Expected 12/21/2026
Cut Tape
$1.72
$1.27
$1.15
$1.03
Reel
$0.862
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 8-Bit I2C and Low-Pwr I/O Expande A 595-TCA9534ADWR 282In Stock
Cut Tape
$2.21
$1.64
$1.49
$1.33
Reel
$1.29
Min.: 1
Mult.: 1
: 250
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 and Lo w-Pwr I/O Expander 398In Stock
10,000On 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 501In Stock
Cut Tape
$2.03
$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 A 595-TCA9535DBR 429In Stock
Cut Tape
$2.62
$1.95
$1.78
$1.60
Reel
$1.50
Min.: 1
Mult.: 1
: 250
TCA9535 SMD/SMT SSOP-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
Texas Instruments Interface - I/O Expanders Remt 16Bit I2C SMBus Lo-Pwr I/O Expndr 151In Stock
32,000On Order
Cut Tape
$1.95
$1.43
$1.30
$1.16
Reel
$0.982
Min.: 1
Mult.: 1
: 2,000
TCA9535 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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan 634In Stock
4,000Expected 3/29/2027
Cut Tape
$2.14
$1.60
$1.47
$1.32
Reel
$1.16
Min.: 1
Mult.: 1
: 2,000
TCA9538 SMD/SMT SSOP-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 1.65- to 5.5-V I2C/SMBus I/O expan 1,461In Stock
2,000Expected 3/29/2027
Cut Tape
$1.51
$1.10
$0.996
$0.884
Reel
$0.739
Min.: 1
Mult.: 1
: 2,000
TCA9554A SMD/SMT SSOP-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 1,788In Stock
10,000Expected 4/19/2027
Cut Tape
$1.51
$1.10
$0.996
$0.884
Reel
$0.739
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
Texas Instruments Interface - I/O Expanders 8-bit 1.65- to 5.5-V I2C/SMBus I/O expan A 595-TCA9554DWR 36In Stock
500Expected 4/5/2027
Cut Tape
$2.52
$1.87
$1.70
$1.52
Reel
$1.44
Min.: 1
Mult.: 1
: 250
TCA9554 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

Diodes Incorporated Interface - I/O Expanders 8-bit I2C-bus I/O Expander 2,617In Stock
8,800Expected 11/3/2026
Cut Tape
$0.86
$0.602
$0.524
$0.473
Reel
$0.445
Min.: 1
Mult.: 1
Max.: 540
: 3,000
PIO4IO SMD/SMT UQFN-16 I2C, Serial 8 I/O With Interrupt 1.65 V 3.6 V 1 MHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV
Diodes Incorporated Interface - I/O Expanders Interface IO Expander 218In Stock
84,000On Order
Cut Tape
$1.61
$1.17
$0.993
$0.939
Reel
$0.668
Min.: 1
Mult.: 1
Max.: 3,500
: 3,500
PIO4IO SMD/SMT TQFN-24 I2C, Serial 16 I/O With Interrupt 1.65 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 2 kV

Diodes Incorporated Interface - I/O Expanders Interface IO Expander MSOP-10 T&R 2.5K 1,880In Stock
Cut Tape
$0.93
$0.669
$0.603
$0.53
Reel
$0.53
Min.: 1
Mult.: 1
Max.: 170
: 2,500
SMD/SMT MSOP-10 Reel, Cut Tape

Diodes Incorporated Interface - I/O Expanders Interface IO Expander TSSOP-16 T&R 2.5K 1,807In Stock
Cut Tape
$1.26
$0.905
$0.792
$0.72
Reel
$0.62
Min.: 1
Mult.: 1
: 2,500
PIO4IO SMD/SMT TSSOP-16 Reel, Cut Tape, MouseReel
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port 41In Stock
$1.45
$1.05
$0.905
$0.787
Min.: 1
Mult.: 1
PIO4IO SMD/SMT TSSOP-24 I2C, Serial, SMBus 16 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port 1,109In Stock
Cut Tape
$1.45
$1.05
$0.919
$0.838
Reel
$0.667
Min.: 1
Mult.: 1
: 3,000
PIO4IO 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
Diodes Incorporated Interface - I/O Expanders 16-bit I2C and SMBus low power I/O port 63In Stock
7,000Expected 3/6/2028
Cut Tape
$1.45
$1.05
$0.919
$0.838
$0.81
Reel
$0.81
Min.: 1
Mult.: 1
Max.: 460
: 3,500
PIO4IO SMD/SMT TQFN-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 4 kV

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port 1,996In Stock
2,500Expected 10/20/2027
Cut Tape
$1.26
$0.905
$0.792
$0.72
Reel
$0.72
Min.: 1
Mult.: 1
Max.: 130
: 2,500
PIO4IO 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 4 kV

Diodes Incorporated Interface - I/O Expanders 8-bit I2C and SMBus IO Port 138In Stock
$1.35
$0.975
$0.868
$0.842
Min.: 1
Mult.: 1
PIO4IO SMD/SMT TSSOP-16 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Tube 4 kV
Diodes Incorporated Interface - I/O Expanders 16-bit I2C-bus and SMBus I/O port 1,925In Stock
7,000Expected 3/17/2028
Cut Tape
$1.65
$1.21
$1.03
$0.968
Reel
$0.968
Min.: 1
Mult.: 1
Max.: 620
: 3,500
PIO4IO SMD/SMT TQFN-24 I2C, Serial, SMBus 8 I/O With Interrupt 2.3 V 5.5 V 400 kHz - 40 C + 85 C Reel, Cut Tape, MouseReel 4 kV
Nexperia Interface - I/O Expanders NCA9539PW/SOT355/TSSOP24 194In Stock
Cut Tape
$1.45
$1.06
$0.955
$0.846
Reel
$0.678
Min.: 1
Mult.: 1
: 2,500
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
NXP Semiconductors Interface - I/O Expanders 8-bit I2C-bus/SMBus I/O Expander with Interrupt and Reset in HVQFN16 package 1,000In Stock
12,000Expected 11/2/2026
Cut Tape
$2.69
$2.00
$1.82
$1.63
Reel
$1.37
Min.: 1
Mult.: 1
: 6,000
PCA9538 SMD/SMT HVQFN-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 and Reset in TSSOP24 package 108In Stock
17,500On Order
Cut Tape
$2.56
$1.90
$1.73
$1.55
Reel
$1.29
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