Title :
A 500-MHz low-power five-port CMOS register file
Author :
Wang, Jiajing ; Zhang, Qianling
Author_Institution :
Microelectron. Dept., Fudan Univ., Shanghai, China
Abstract :
Current-mode approach in register file has the great advantage of high operation speed with low power consumption. Under 0.35-μm CMOS technology, we present a 1.85-ns read access, 32×32-bit, five-port register file in which a modified current-sense amplifier is used. The delay match circuit and TSPC-FF are also used to improve speed. Energy saving is achieved by current mode and other key ideas. Simulation results show it consumes 640 mW at 500 MHz 3.3 V. It can still work at 2.3 V with 350 MHz 300 mW.
Keywords :
CMOS digital integrated circuits; current-mode circuits; flip-flops; high-speed integrated circuits; low-power electronics; microprocessor chips; multiport networks; 0.35 micron; 3.3 V; 500 MHz; 640 mW; current-mode circuit; current-sense amplifier; delay match circuit; high-speed low-power five-port CMOS register file; microprocessor chip; true single-phase clock flip-flop; CMOS technology; Circuit simulation; Delay; Energy consumption; Microelectronics; Microprocessors; Pulse amplifiers; Random access memory; Registers; Voltage;
Conference_Titel :
Design Automation Conference, 2003. Proceedings of the ASP-DAC 2003. Asia and South Pacific
Print_ISBN :
0-7803-7659-5
DOI :
10.1109/ASPDAC.2003.1195070
