| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | XRA1405IL24-F | Maxlinear | 16-Bit I/O Expander, SPI, 1.65-3.6V, Industrial, 24-Pin QFN |
 | SCH3112-NU | Microchip | Surface Mount TQFP 90-Piece IC |
 | PCA9554AD | NXP | IC 8 I/O, PIA-GENERAL PURPOSE, PDSO16, 7.50 MM, PLASTIC, MS-013, SOT162-1, SOP-16, Parallel IO Port |
 | PSD833F2-90M | Stmicroelectronics | 90ns Parallel Interface IC, 5.5V, 43.48MHz, PQFP, Surface Mount |
 | MCP23018T-E/SO | Microchip | IC,I/O PORT,16-BIT,SOP,28PIN,PLASTIC |
 | PSD835G2-90U | Stmicroelectronics | 512KX8 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80, PLASTIC, TQFP-80 |
 | PCA9539PW,112 | NXP | PCA9539; PCA9539R - 16-bit I²C-bus and SMBus low power I/O port with interrupt and reset TSSOP2 24-Pin |
 | PCA9554AD,112 | NXP | PCA9554/PCA9554A - 8-bit I²C-bus and SMBus I/O port with interrupt SOP 16-Pin |
 | PSD834F2-90J | Stmicroelectronics | 256KX8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQCC52, PLASTIC, LCC-52 |
 | W83601G | Nuvoton | Parallel I/O Port, 15 I/O, CMOS, PDSO20, SSOP-20 |
No Image | Z0853606VSG | Zilog | 44-Pin Quad Parallel I/O Port IC, 5V, 200mA, 6.06MHz, Commercial |
 | LPC47N217N-ABZJ | Microchip | I/O Controller 56-Pin QFN EP Tray |
 | PCF8574P,112 | NXP | PCF8574; PCF8574A - Remote 8-bit I/O expander for I²C‑bus with interrupt DIP 16-Pin |
No Image | PCA9557DBR | Texas Instruments | 8-Channel I/O Expander, 6V, 400kHz, SSOP Package |
 | PSD854F2-90J | Stmicroelectronics | 90ns 5.5V 43.48MHz Parallel Interface FLASH IC, 2000000B, 262144B RAM, 24 Macrocells |
 | PCF8574TS/3 | NXP | IC 8 I/O, PIA-GENERAL PURPOSE, PDSO20, 4.40 MM, PLASTIC, MO-152, SOT-266-1, SSOP-20, Parallel IO Port |
 | PSD813F2A-90JI | Stmicroelectronics | 90ns Parallel Interface IC, 1000000B FLASH, 5.5V, 85°C, Surface Mount |
 | PCA9554PW | Texas Instruments | 8-Channel I/O Expander, 400kHz, 5.5V, TSSOP-16 |
No Image | PCA9554DWR | Texas Instruments | 8-Channel I/O Expander, 5.5V, 400kHz, SOIC-16 |
 | PCA8574AD,518 | NXP | 8-Channel I2C I/O Expander, 400kHz, SOIC, Lead Free |