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.
The 2SC3209 is a NPN Maximum Collector 2W Maximum Collector Base Voltage 300 V Maximum Collector Current 0.2 A Max. Operating Junction Temperature 125 °C Transition Frequency 80 MHz Forward Current Transfer Ratio 60.
The IRF540N is a 100V 30A To-220 Package Third generation power MOSFETs from Vishay provide the designer with the best combination of fast switching, ruggedized device design, low on-resistance and cost-effectiveness.
The 2SC3852 is a 60V 3A 15MHz 25W NPN Bipolar (BJT) Transistor Through Hole TO-220F Package Silicon NPN Epitaxial Planar Transistor(Driver for Solenoid and Motor, Series Regulator and General Purpose.
The DS1302Z is a trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface IC SOP-8 Pins Package.