LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
ULN2803A by Texas Instruments is a peripheral driver with 8 functions. It has a max supply voltage of 3V and can operate in temperatures ranging from -40 to 85°C. This IC is commonly used as a buffer or inverter based peripheral driver for various applications.