| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PCA9506BS,118 | NXP | I2C I/O Expander, 40 I/Os, 5.5V, 400kHz, QFN |
 | TCA9555RGER | Texas Instruments | I2C/SMBus Interface 400kHz 5.5V 24-Pin VQFN EP T/R |
 | MEC1418-SZ | Microchip | I/O Controller Keyboard and Embedded Controller 144-Pin WFBGA Tray |
 | MCP23S18T-E/SO | Microchip | 16 I/O, PIA-GENERAL PURPOSE, PDSO28, 0.300 INCH, PLASTIC, SOIC-28 |
 | CAT9554AWI-G | Onsemi | 8 I/O, PIA-GENERAL PURPOSE, PDSO16, 0.150 INCH, HALOGEN FREE AND ROHS COMPLIANT, MS-012, SOIC-16 |
 | PCA9555DGVR | Texas Instruments | 16-bit 2.3- to 5.5-V I2C/SMBus I/O expander with interrupt, weak pull-up & config registers 24-TVSOP -40 to 85 |
 | CS82C55AZ | Intersil | 24 I/O Expander IC, 8MHz, 5.5V, PLCC, Surface Mount |
 | PCF8574AT | NXP | 8 I/O, PIA-GENERAL PURPOSE, PDSO16, 7.50 MM, PLASTIC, MS-013, SOT-162-1, SO-16 |
 | MCP23016T-I/SO | Microchip | 16-Bit I/O Expander, I2C, 400kHz, SOIC, -40C to +85C |
 | MEC1418-I/NU | Microchip | 128-Pin Quad QFP Microprocessor Circuit, Industrial Temperature, 2-3.6V Supply |
 | MCP23009T-E/MG | Microchip | 8-Channel I2C I/O Expander, 3.4MHz, -40°C to 125°C, QFN-16 |
 | LM8330TMX/NOPB | Texas Instruments | 104-Channel I2C I/O Expander, 400kHz, 1.98V, Tape and Reel, Lead Free |
 | PCA9506DGG,512 | NXP | I2C I/O Expander, 40 I/Os, 400kHz, 5.5V, TSSOP56 |
 | PCA9506DGG | NXP | IC 8 I/O, PIA-GENERAL PURPOSE, PDSO56, 6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56, Parallel IO Port |
 | CAT9554WI-G | Onsemi | I/O Port Expander, I<sup>2</sup>C / SMBus, 8-Bit, with Active Low Interrupt, SOIC-16, 150 mils, 50-TUBE |
No Image | NCT6102D | Nuvoton | I/O Controller LPC Controller 128-Pin LQFP |
 | PCA9555DB | NXP | Dual I/O Expander IC, 2-Channel, 5.5V, SSOP24, -40°C to 85°C |
 | LPC47M107S-MS | Microchip | 2-Channel I/O Expander, 3.3V, 15mA, PQFP, 0-70°C |
No Image | NCT6106D | Nuvoton | 128-Pin LQFP LPC Controller with Watchdog Timer and I2C Support |
 | PCA9698DGG | NXP | IC 8 I/O, PIA-GENERAL PURPOSE, PDSO56, 6.10 MM, PLASTIC, MO-153, SOT364-1, TSSOP-56, Parallel IO Port |