CMOS Design And Single Supply Level Shifter Using 90nm Technology

The design and application of level shifter circuit which is based on single power supply is presented in this paper different from conventional level shifter circuitry. A level shifter may be used to shift any voltage level to a desired level without any leakage current. To reduce the supply routing and layout congestion within the chip whenever level shifting is needed for different voltage it decreases pin count also. In multi voltage system a level shifting is required for two or more chips which are operating at different supply voltage. The circuit of level shifter is generic in nature and voltage level shifting done is restricted by technology. 90 comes nm technology is used to design the circuitry which is simulated in SPICE (simulation program with integrated circuit emphasis). Simulation result of this level shifter circuit is capable to shift input voltage from 1.5V to 3.00V at frequency of 1GHZ