I/O Expanders
Browse available I/O Expanders part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Number of I/O | Interface | Interrupt Output | Features | Output Type | Current - Output Source/Sink | Clock Frequency | Voltage - Supply | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TCA6408ARSVRIC XPNDR 400KHZ I2C SMBUS 16UQFN |
0 |
1+：$1.03000 10+：$0.73900 25+：$0.66720 100+：$0.58780 250+：$0.54992 500+：$0.52710 1000+：$0.51255 |
|
Datasheet | - | 16-UFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-UQFN (2.6x1.8) |
|
TCA9535RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
0 |
1+：$1.67000 10+：$1.22200 25+：$1.11040 100+：$0.98740 250+：$0.92872 500+：$0.89332 1000+：$0.88740 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
FXL6408UMXIC XPNDR 400KHZ I2C 16UMLP |
5,000 |
1+：$0.59000 10+：$0.41600 25+：$0.37200 100+：$0.32420 250+：$0.30136 500+：$0.28760 1000+：$0.27626 2500+：$0.27219 |
|
Datasheet | - | 16-UFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 6mA | 400 kHz | 1.65V ~ 4V | -40°C ~ 85°C | - | - | Surface Mount | 16-UMLP (1.8x2.6) |
|
PCF8574ADWRIC XPNDR 100KHZ I2C 16SOIC |
1,984 |
1+：$1.59000 10+：$1.15800 25+：$1.05160 100+：$0.93410 250+：$0.87812 500+：$0.84434 1000+：$0.83691 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
PCF8574APWRIC XPNDR 100KHZ I2C 20TSSOP |
42 |
1+：$1.59000 10+：$1.15800 25+：$1.05160 100+：$0.93410 250+：$0.87812 500+：$0.84434 1000+：$0.83691 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
TCA9555PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
40,883 |
1+：$1.94000 10+：$1.42400 25+：$1.29680 100+：$1.15610 250+：$1.08904 500+：$1.04864 1000+：$1.04805 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
TCA9554PWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
17,398 |
1+：$1.71000 10+：$1.25500 25+：$1.14080 100+：$1.01480 250+：$0.95472 500+：$0.91852 1000+：$0.91341 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
TCA9554APWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
13,137 |
1+：$1.60000 10+：$1.16400 25+：$1.05600 100+：$0.93700 250+：$0.88032 500+：$0.84614 1000+：$0.83685 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
TCA9539PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
22,503 |
1+：$1.95000 10+：$1.43400 25+：$1.30560 100+：$1.16410 250+：$1.09664 500+：$1.05602 1000+：$1.05570 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
|
TCA9534PWRIC XPNDR 400KHZ I2C 16TSSOP |
24,955 |
1+：$1.73000 10+：$1.26700 25+：$1.15160 100+：$1.02450 250+：$0.96392 500+：$0.92742 1000+：$0.92259 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | - | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
|
TCA9555RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
0 |
1+：$1.98000 10+：$1.46100 25+：$1.33000 100+：$1.18650 250+：$1.11796 500+：$1.07712 |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
|
TCA9535PWRIC XPND 400KHZ I2C SMBUS 24TSSOP |
28,271 |
1+：$2.00000 10+：$1.46900 25+：$1.33720 100+：$1.19150 250+：$1.12208 500+：$1.08026 1000+：$1.07850 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
TCA9555RGERIC XPNDR 400KHZ I2C SMBUS 24VQFN |
4,710 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-VQFN (4x4) |
|
PCA9536DGKRIC XPNDR 400KHZ I2C SMBUS 8VSSOP |
6,822 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 8-VSSOP |
|
PCAL6408ABSHPIC XPND 400KHZ I2C SMBUS 16HVQFN |
8,910 |
1+：$1.52000 10+：$1.10900 25+：$1.00680 100+：$0.89350 250+：$0.83956 500+：$0.80702 1000+：$0.79851 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
PCAL6408AEX1ZIC XPND 400KHZ I2C SMBUS 16X2QFN |
29,800 | - |
|
Datasheet | - | 16-XFLGA | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-X2QFN (1.6x1.6) |
|
PCAL6408APWJIC XPND 400KHZ I2C SMBUS 16TSSOP |
27,873 | - |
|
Datasheet | Agile | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCAL6408AHKXIC XPNDR 400KHZ I2C SMBUS 16XQFN |
15,907 | - |
|
Datasheet | Agile | 16-XFQFN | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-XQFN (1.8x2.6) |
|
TCA6408ARGTRIC XPNDR 400KHZ I2C SMBUS 16VQFN |
13,718 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-VQFN (3x3) |
|
PCA9536D,118IC XPNDR 400KHZ I2C SMBUS 8SO |
5,972 |
1+：$1.76000 10+：$1.29000 25+：$1.17240 100+：$1.04320 250+：$0.98152 500+：$0.94436 1000+：$0.92152 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 8-SO |
I/O Expanders FAQ
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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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