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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CS82C55AZ96IC XPNDR PARALLEL 44PLCC |
2,536 | - |
|
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) |
|
IS82C55AZIC XPNDR PARALLEL 44PLCC |
163 | - |
|
Datasheet |
- | 44-LCC (J-Lead) | Tube | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
IS82C55AZ96IC XPNDR PARALLEL 44PLCC |
1,265 | - |
|
Datasheet |
- | 44-LCC (J-Lead) | Tape & Reel (TR) | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
PCA9570GMHIC XPNDR 100KHZ I2C SMBUS 8XQFN |
9,148 | - |
|
Datasheet |
- | 8-XFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 4mA | 100 kHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 8-XQFN (1.6x1.6) |
|
|
TCA9554ADBRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
2,920 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
TCA9534DWRIC XPNDR 400KHZ I2C 16SOIC |
462 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
TCA9555DBRIC XPNDR 400KHZ I2C SMBUS 24SSOP |
3,927 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm 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-SSOP |
|
PCA6408AHKXIC XPNDR 400KHZ I2C SMBUS 16XQFN |
6,991 | - |
|
Datasheet |
- | 16-XFQFN | 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-XQFN (1.8x2.6) |
|
PCA9536DRIC XPNDR 400KHZ I2C SMBUS 8SOIC |
6,207 | - |
|
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-SOIC |
|
PCAL9714HNMPLOW-VOLTAGE TRANSLATING 14-BIT S |
5,434 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | 14 | SPI | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 5 MHz | 1.1V ~ 5.5V, 1.65V ~ 5.5V | -40°C ~ 85°C | Automotive | AEC-Q100 | Surface Mount | 24-HVQFN (4x4) |
|
|
TCA9536DGKRIC XPNDR 1MHZ I2C SMBUS 8VSSOP |
22,835 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-VSSOP |
|
|
TCA9536DTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
10,868 | - |
|
Datasheet |
- | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
|
|
TCA9536BDTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
4,758 | - |
|
Datasheet |
- | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
|
|
TCA9536ADTMRIC XPNDR 1MHZ I2C SMBUS 8X2SON |
3,828 | - |
|
Datasheet |
- | 8-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | 4 | I2C, SMBus | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 8-X2SON (1.35x0.8) |
|
|
TCA9537DGSRIC XPNDR 1MHZ I2C 10VSSOP |
3,624 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | 4 | I2C | Yes | POR | Open Drain | 10mA, 25mA | 1 MHz | 1.65V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 10-VSSOP |
|
TCA9554ADBQRIC XPNDR 400KHZ I2C SMBUS 16SSOP |
3,865 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
|
TCA6408APWRIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,087 | - |
|
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 |
|
TCA9534ADWRIC XPNDR 400KHZ I2C 16SOIC |
3,872 | - |
|
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 |
|
TCA9554DBQRIC XPNDR 400KHZ I2C 16SSOP |
2,181 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C | Yes | POR | Push-Pull | - | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
PCA6408APW,118IC XPND 400KHZ I2C SMBUS 16TSSOP |
66,356 | - |
|
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 |
