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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9670D,512IC XPNDR 1MHZ I2C 16SO |
1,749 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C | No | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9534PW,112IC XPND 400KHZ I2C SMBUS 16TSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | 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-TSSOP |
|
XRA1202PIL16TR-FIC XPNDR 400KHZ I2C SMBUS 16QFN |
30,000 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Last Time Buy | Not Verified | 8 | I2C, SMBus | Yes | - | Open Drain | - | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QFN (3x3) |
|
PCA9500D,118IC XPNDR 400KHZ I2C SMBUS 16SO |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | No | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9500D,112IC XPNDR 400KHZ I2C SMBUS 16SO |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | No | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
PCA9554ADWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | 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-SOIC |
|
PCA9501PW,112IC XPND 400KHZ I2C SMBUS 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
PCA9672BS,118IC XPNDR 1MHZ I2C SMBUS 16HVQFN |
77,938 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 300µA, 43mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-HVQFN (3x3) |
|
PCA9571GUXIC XPNDR 1MHZ I2C 12XQFN |
7,664 | - |
|
Datasheet |
- | 12-XFQFN | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | No | POR | Push-Pull | - | 1 MHz | 1.1V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 12-XQFN (2x1.7) |
|
PCA9500DIC I/O EXPANDER I2C 8B 16SOIC |
416 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | - | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 300µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
TCA6416AZQSR REELTCA6416AZQSR REEL |
1,123 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LC709006V-TLM-EIC IO EXPANDER |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | No | - | - | - | - | 2V ~ 6V | -40°C ~ 85°C | - | - | - | - |
|
PCA9538DWIC XPNDR 400KHZ I2C SMBUS 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
PCA9539D,118IC XPNDR 400KHZ I2C SMBUS 24SO |
8,272 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | 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-SO |
|
MAX7310ETE2-WIRE-INTERFACED 8 BIT I/O PORT |
7,334 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LC709006V-TLM-E-SAI/O-EXPANDER FOR MICROCONTROLLER |
7,000 | - |
|
- |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX7311EAG2-WIRE-INTERFACED 16 BIT I/O POR |
548 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCAL6416AERJIC XPND 400KHZ I2C SMBUS 24UFBGA |
500 | - |
|
- |
Agile | 24-UFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-UFBGA (2x2) |
|
PCA9673D,112IC XPNDR 1MHZ I2C 24SO |
0 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SO |
|
PCF8574DWIC XPNDR 100KHZ I2C 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
