LD1117S33TR by STMicroelectronics is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It has a small outline package style, operates at an adjustable temperature range from 0 to 125°C, and is ideal for applications requiring stable voltage regulation in compact electronic devices.
TCA6424ARGJR by Texas Instruments is a CMOS parallel I/O port with 24 bits and 3 ports. It operates b/w -40 to 85°C, suitable for industrial applications. With a max clock frequency of 0.4 MHz, it offers low power consumption at only 0.03 mA supply current.
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.