 | PCF8575PWR | Texas Instruments | 16-Bit I2C I/O Expander, 400kHz, 5.5V, TSSOP |
 | MCP23S08-E/P | Microchip | SPI Interface 10000kHz 5.5V 18-Pin PDIP Tube |
 | PCA9501PW,112 | NXP | PCA9501 - 8-bit I2C-bus and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins TSSOP2 20-Pin |
 | MCP23017-E/SS | Microchip | 16-Bit I2C I/O Expander, 1.7MHz, 5.5V, SSOP |
 | MCP23008-E/SO | Microchip | 8-Bit I2C I/O Expander, 1.7MHz, 5.5V, SOIC |
 | PCA9536DR | Texas Instruments | 4-Bit I2C/SMBus I/O Expander, 400kHz, 8-SOIC, SM |
 | PCF8574ADWR | Texas Instruments | I2C Interface 100kHz 6V 16-Pin SOIC T/R |
 | MCP23S17-E/SO | Microchip | 16-Bit SPI I/O Expander, 10MHz, 5.5V, SOIC |
 | MCP23008-E/P | Microchip | I2C Interface 1700kHz 5.5V 18-Pin PDIP Tube |
 | PCA9506DGG,512 | NXP | PCA9505/06 - 40-bit I2C-bus I/O port with RESET, OE and INT TSSOP 56-Pin |
 | TCA1116PWR | Texas Instruments | Low Voltage 16-Bit I<sup>2</sup>C and SMBus Low-Power I/O Expander 24-TSSOP -40 to 85 |
 | MCP23S08-E/SO | Microchip | 8-Bit SPI I/O Expander, 10MHz, 5.5V, SOIC |
 | PCA9555PWR | Texas Instruments | 16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 24-TSSOP -40 to 85 |
 | MCP23008-E/SS | Microchip | 8-Bit I2C I/O Expander, 1.7MHz, 5.5V, SSOP |
 | PCA9535PW,112 | NXP | I2C/SMBus Interface 100kHz/400kHz 5.5V 24-Pin TSSOP Tube |
 | MCP23S17-E/SS | Microchip | 16-Bit SPI I/O Expander, 5.5V, SSOP |
 | TCA6408ARGTR | Texas Instruments | 8-Ch I/O Expander, I2C, 400kHz, 5.5V, VQFN EP |
 | PCA9536D | Texas Instruments | Remote 4-Bit I<sup>2</sup>C and SMBus I/O Expander With Configuration Registers 8-SOIC -40 to 85 |
 | MCP23S09-E/P | Microchip | SPI Interface 10000kHz 5.5V Automotive 18-Pin PDIP Tube |
 | MCP23009-E/P | Microchip | 8 I/O, PIA-GENERAL PURPOSE, PDIP18, 0.300 INCH, LEAD FREE, PLASTIC, DIP-18 |
