The TIP35C TIP-35 35C is a NPN Power Amplifier Transistor TO-247 Package Bipolar Transistor, TIP35C is a three layer NPN device within the working range, the collector current IC is a function of the base current IB.
The DAC0808LCN is an 8-bit monolithic digital-to-analog converter (DAC), It will interface directly with popular TTL, DTL or CMOS logic levels, and is a direct replacement for the MC1508/MC1408. For higher speed applications.
The D81C55HC-2 is a 2k-bit static RAM (256 bytes) with parallel I/O ports and a timer. It uses silicon gate CMOS technology and consumes a standby current of 100 micro ampere, maximum, while the chip is not selected.