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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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PCF8575CDWE4IC XPNDR 400KHZ I2C SMBUS 24SOIC |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | 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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PCF8575CTS/1,118IC XPNDR 400KHZ I2C 24SSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 25mA | 400 kHz | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCF8575DBQRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 1mA, 25mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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MAX7322AEE+TIC XPNDR 400KHZ I2C 16QSOP |
0 | - |
|
- |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C | Yes | POR | - | 20mA | 400 kHz | 1.7V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
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MCP25025T-I/SLIC XPNDR 4MHZ CAN 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Verified | 8 | CAN (1-Wire) | No | EEPROM, POR, PWM | Push-Pull | 25mA | 4 MHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 14-SOIC |
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MCP25025-I/SLIC XPNDR 4MHZ CAN 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Verified | 8 | CAN (1-Wire) | No | EEPROM, POR, PWM | Push-Pull | 25mA | 4 MHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 14-SOIC |
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STMPE2403TBRIC XPNDR 400KHZ I2C 36TFBGA |
0 | - |
|
Datasheet |
Xpander Logic™ | 36-TFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 24 | I2C | Yes | Keypad Controller, POR, PWM | Push-Pull | - | 400 kHz | 1.65V ~ 1.95V | -40°C ~ 85°C | - | - | Surface Mount | 36-TFBGA (3.5x3.5) |
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MAX7310AEE+TIC XPNDR 400KHZ I2C SMBUS 16QSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | No | POR | Open Drain, Push-Pull | 18mA, 30mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
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CAT9534WI-GT2IC XPNDR 400KHZ I2C SMBUS 16SOIC |
0 | - |
|
- |
- | 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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MCP23S18T-E/MJVAOIC XPNDR 10MHZ SPI 24QFN |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | SPI | Yes | POR | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
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MCP25020T-E/SLIC XPNDR 25MHZ CAN V2.0B 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Verified | 8 | CAN V2.0b | No | EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 14-SOIC |
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PCF8575CDWRIC XPNDR 400KHZ I2C SMBUS 24SOIC |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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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MAX7318ATG+TIC XPNDR 400KHZ I2C SMBUS 24TQFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-TQFN (4x4) |
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MAX7318AAG+TIC XPNDR 400KHZ I2C SMBUS 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SSOP |
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MAX7318AWG+TIC XPNDR 400KHZ I2C SMBUS 24SOIC |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SOIC |
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MCP25020-E/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
0 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 14-PDIP |
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MAX7312AAG+TIC XPNDR 400KHZ I2C SMBUS 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 31mA, 43mA | 400 kHz | 2V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-SSOP |
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PCA9655EMTTXGIC XPNDR 100KHZ I2C SMBUS 24QFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-QFN (4x4) |
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PCA9655EDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
0 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
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PCA9655EDWR2GIC XPNDR 100KHZ 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 | 42mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-SOIC |

