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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX7317ATE+IC I/O EXPANDER SPI 10B 16TQFN |
1,284 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Not Verified | 10 | SPI | No | - | Open Drain | 20mA | - | 2.25V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-TQFN (3x3) |
|
MAX7310AUE+IC XPND 400KHZ I2C SMBUS 16TSSOP |
208 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | 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-TSSOP |
|
MAX7317AEE+IC I/O EXPANDER SPI 10B 16QSOP |
448 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 10 | SPI | No | POR | Open Drain | 20mA | - | 2.25V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
MAX7313AEG+IC XPNDR 400KHZ I2C SMBUS 24QSOP |
1,490 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-QSOP |
|
MAX7314AEG+IC XPNDR 400KHZ I2C 24QSOP |
507 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 18 | I2C | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-QSOP |
|
MAX7312AWG+IC XPNDR 400KHZ I2C SMBUS 24SOIC |
502 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | 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 |
|
MAX7314AEG+TIC XPNDR 400KHZ I2C 24QSOP |
1,571 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 18 | I2C | Yes | PWM | Open Drain | 50mA | 400 kHz | 2V ~ 3.6V | -40°C ~ 125°C | - | - | Surface Mount | 24-QSOP |
|
MAX7311AAG+IC XPNDR 400KHZ I2C SMBUS 24SSOP |
113 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tube | 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 |
|
MAX7311ATG+TIC XPNDR 400KHZ I2C SMBUS 24TQFN |
2,069 | - |
|
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) |
|
MAX7311AWG+IC XPNDR 400KHZ I2C SMBUS 24SOIC |
1,136 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | 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 |
|
CY8C9560A-24AXIIC XPNDR 100KHZ I2C 100TQFP |
539 | - |
|
Datasheet |
- | 100-LQFP | Tray | Active | Not Verified | 60 | I2C | Yes | EEPROM, POR, PWM, WDT | Open Drain | 10mA, 25mA | 100 kHz | 3V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 100-TQFP (14x14) |
|
CMS82C55AZ96IC XPNDR PARALLEL 44PLCC |
663 | - |
|
Datasheet |
- | 44-LCC (J-Lead) | Tape & Reel (TR) | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
CS82C55A-5Z96IC XPNDR PARALLEL 44PLCC |
1,000 | - |
|
Datasheet |
- | 44-LCC (J-Lead) | Tape & Reel (TR) | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
MAX7300ATL+IC XPNDR 400KHZ I2C 40TQFN |
2,296 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Not Verified | 28 | I2C | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-TQFN (6x6) |
|
TCA9534DWTIC XPNDR 400KHZ I2C 16SOIC |
927 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | - | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
TCA9534ADWTIC XPNDR 400KHZ I2C 16SOIC |
441 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | - | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
MCP23009-E/PIC XPNDR 3.4MHZ I2C 18DIP |
220 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain | 25mA | 3.4 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 18-PDIP |
|
PCA9554CPWJIC XPND 400KHZ I2C SMBUS 16TSSOP |
1,219 | - |
|
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 |
|
PCA9702PW,118IC XPNDR 5MHZ SPI SERIAL 16TSSOP |
2,745 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-TSSOP |
|
PCF8574ARGYRIC XPNDR 100KHZ I2C 20VQFN |
1,413 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | 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-VQFN (3.5x4.5) |
