 | PCA9557PW,118 | NXP | 8-Bit I/O Expander, I2C/SMBus, 400kHz, 5.5V, TSSOP |
 | PCA9539PW/Q900,118 | NXP | 16-IO I2C/SMBus Expander, 5.5V, 24-Pin TSSOP SMT |
 | MCP23017-E/ML | Microchip | 16-Bit I2C I/O Expander, 1.7MHz, 5.5V, QFN |
 | MCP23S17T-E/SS | Microchip | 16-Bit SPI I/O Expander, 10MHz, 5.5V, SSOP |
 | PCA9535DBR | Texas Instruments | 16-Bit I2C I/O Expander, 400kHz, 16 I/Os, 25mA, SSOP |
 | PCA9501PW,118 | NXP | I2C/SMBus I/O Expander, 8-Ch, 3.6V, 400kHz, TSSOP |
 | MCP23S17-E/SP | Microchip | 16-Bit SPI I/O Expander IC, 10MHz, 5.5V, DIP |
 | PCF8575PWR | Texas Instruments | 16-Bit I2C I/O Expander, 400kHz, 5.5V, TSSOP |
 | PCF8574T/3,512 | NXP | I2C 8-Bit I/O Expander, 100kHz, 6V, SOIC |
 | PCA9534PW,118 | NXP | 8-Bit I2C I/O Expander, 400kHz, TSSOP |
 | PCA9535BS,118 | NXP | 16-Ch I2C/SMBus I/O Expander, 5.5V, 400kHz, QFN |
 | MCP23017T-E/SO | Microchip | 16-Bit I2C I/O Expander, 1.7MHz, 5.5V, SOIC |
 | PCA9536DR | Texas Instruments | 4-Bit I2C/SMBus I/O Expander, 400kHz, 8-SOIC, SM |
 | MCP23S08T-E/SS | Microchip | 8-Bit SPI I/O Expander, 10MHz, 5.5V, SSOP |
 | MCP23008-E/ML | Microchip | 8-Bit I2C I/O Expander, 1.7MHz, 5.5V, QFN |
 | TCA6408ARGTR | Texas Instruments | 8-Ch I/O Expander, I2C, 400kHz, 5.5V, VQFN EP |
 | PCA9534BS,118 | NXP | I2C I/O Expander, 8-Bit, 400kHz, 5.5V, VQFN |
 | PCA9555D,118 | NXP | 16-Ch I2C/SMBus I/O Expander, 400kHz, 5.5V, SOIC |
 | MCP23S08T-E/SO | Microchip | 8-Bit SPI I/O Expander, 10MHz, 5.5V, SOIC |
 | MCP23017-E/SP | Microchip | 16-Bit I2C I/O Expander, 1.7MHz, 5.5V, DIP |
