 | PCA9555PW | Texas Instruments | 16-Channel 2-Port I/O Expander with 400kHz Frequency TSSOP Package |
 | MCP23016-I/SS | Microchip | 16-Bit I/O Expander, I2C, SSOP-28, 3.4MHz |
 | PCA9557D,118 | NXP | 8-Channel I2C/SMBus I/O Expander, 400kHz, SO Package |
 | PCA9535D,112 | NXP | PCA9535; PCA9535C - 16-bit I2C-bus and SMBus, low power I/O port with interrupt SOP 24-Pin |
 | PCA9535DGVR | Texas Instruments | 16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt & config registers 24-TVSOP -40 to 85 |
 | PCA9534DWR | Texas Instruments | Remote 8-Bit I<sup>2</sup>C and Low-Power I/O Expander With Interrupt Output and Configuration Registers 16-SOIC -40 to 85 |
 | PCA9539BSHP | NXP | PCA9539; PCA9539R - 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset QFN 24-Pin |
 | PCAL9554BBSHP | NXP | PCAL9554B; PCAL9554C - Low-voltage 8-bit I²C-bus and SMBus low power I/O port with interrupt, weak pull-up and Agile I/O QFN 16-Pin |
 | PCA9539DGVR | Texas Instruments | Remote 16-Bit I<sup>2</sup>C And SMBus, Low-Power I/O Expander With Interrupt Output, Reset & Config. Registers 24-TVSOP -40 to 85 |
 | LM8330TME/NOPB | Texas Instruments | I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection 25-DSBGA -30 to 85 |
 | PCF8574PWG4 | Texas Instruments | 8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 20-TSSOP -40 to 85 |
 | PCF8574DWRE4 | Texas Instruments | 8-Channel I/O Expander, 6V, SOIC, -40°C to 85°C, RoHS Compliant |
 | SCH3114-NU | Microchip | 40-Pin TQFP I/O Expander, 8-Bit Data Bus, 3.3V, -40°C to 70°C |
 | FDC37C669-MS | Microchip | 8-Bit I/O Expander, 13 I/Os, 1 Timer, 35mA, 0-70°C, QFP |
 | TCA1116RTWR | Texas Instruments | Low Voltage 16-Bit I<sup>2</sup>C and SMBus Low-Power I/O Expander 24-WQFN -40 to 85 |
 | PCAL9554BPWJ | NXP | 8-Channel I2C/SMBus I/O Expander, 400kHz, TSSOP-16, Lead Free |
 | ADP5587ACPZ-1-R7 | Analog Devices | Mobile I/O Expander and QWERTY Keypad Controller |
 | PCF8575CDBR | Texas Instruments | 16-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 24-SSOP -40 to 85 |
 | PCA9538DB | Texas Instruments | Remote 8-Bit I<sup>2</sup>C and SMBus Low-Power I/O Expander With Interrupt Output, Reset, and Config Registers 16-SSOP -40 to 85 |
 | PCF8574ANE4 | Texas Instruments | 8-Channel I/O Expander, 6V, 100kHz, Through Hole, N-16 DIP |