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0755-82798135I/O Expanders
I/O Expanders are interface ICs used to increase the number of input and output ports available to microcontrollers, processors and embedded systems. They are widely used in industrial control, communication equipment, consumer electronics, automotive electronics, medical devices, IoT products, smart home devices and embedded control applications.
This category includes GPIO expanders, I2C I/O expanders, SPI I/O expanders, port expanders, keypad interface expanders, LED control expanders and related interface control components. These devices are commonly selected based on interface type, number of I/O channels, supply voltage, interrupt support, output drive capability, package type and system compatibility.
TomatoElec supplies original I/O Expanders from recognized semiconductor manufacturers such as Texas Instruments, NXP, Microchip, STMicroelectronics, onsemi, Diodes Incorporated, Renesas, Infineon and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PCF8575CDWIC XPNDR 400KHZ I2C SMBUS 24SOIC |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 400 kHz | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SOIC |
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PCA9671DK,118IC XPNDR 1MHZ I2C 24SSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCA9673DK,118IC XPNDR 1MHZ I2C 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCA9675DK,118IC XPNDR 1MHZ I2C 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCA9671D,118IC XPNDR 1MHZ I2C 24SO |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
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PCA9675BS,118IC XPNDR 1MHZ I2C 24HVQFN |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
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PCA9575PW1,118IC XPND 400KHZ I2C SMBUS 24TSSOP |
0 | - |
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Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 3mA | 400 kHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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LM8335TLX/NOPBIC XPNDR 26MHZ MIPI RFFE 16DSBGA |
0 | - |
|
Datasheet |
- | 16-WFBGA, DSBGA | Tape & Reel (TR) | Active | Not Verified | 8 | MIPI® RFFE | No | POR | Open Drain | - | 26 MHz | 1.8V ~ 3.3V | -30°C ~ 85°C | - | - | Surface Mount | 16-DSBGA (2.5x2.12) |
|
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PCA9534DBRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
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PCA9534DGVRIC XPND 400KHZ I2C SMBUS 16TVSOP |
0 | - |
|
Datasheet |
- | 16-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TVSOP |
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PCA9535EDWR2GIC XPNDR 100KHZ I2C SMBUS 24SOIC |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-SOIC |
|
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PCA9535RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
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PCA9505DGG,118IC XPNDR 400KHZ I2C 56TSSOP |
0 | - |
|
Datasheet |
- | 56-TFSOP (0.240", 6.10mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 40 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 56-TSSOP |
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BU1850MUV-E2IC XPNDR 400KHZ I2C 35VB |
0 | - |
|
- |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Not Verified | 8 | I2C | Yes | POR | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -30°C ~ 85°C | - | - | Surface Mount | VQFN016V3030 |
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CAT9554WI-GT2IC XPNDR 400KHZ I2C SMBUS 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
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PCA9539BS,118IC XPND 400KHZ I2C SMBUS 24HVQFN |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
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S-7760A4115-HCT1IC XPNDR 400KHZ I2C 16WLP |
0 | - |
|
Datasheet |
- | 16-UFBGA, WLBGA | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | No | EEPROM | Open Drain | - | 400 kHz | 2.3V ~ 4.5V | -40°C ~ 85°C | - | - | Surface Mount | WLP-16A-C |
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CAT9555WI-T1IC XPNDR 400KHZ I2C SMBUS 24SOIC |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SOIC |
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PCAL9539AHF,128IC XPNDR 400KHZ I2C 24HWQFN |
0 | - |
|
Datasheet |
Agile | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-HWQFN (4x4) |
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MIC74YQSIC XPNDR 100KHZ I2C SMBUS 16QSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
