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A low-power current-sensing complementary pass-transistor logic (LCSCPTL) for low-voltage high-speed applications

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2 Author(s)
Kuo-Hsing Cheng ; Dept. of Electr. Eng., Tam-Kang Univ., Taipei, Taiwan ; Yii-Yih Liaw

Recently, power dissipation has become an important constraint in portable electronic systems. In this work, a new low-power current-sensing complementary pass-transistor logic (LCSCPTL) is proposed and analyzed. Since the current-sensing scheme can yield a fast sensing speed under small voltage swing compared to the voltage-sensing scheme, the new logic circuit can be used in the low-voltage low-power digital system for high speed applications. It is shown that the LCSCPTL has an operation speed about 2.2 to 2.6 times higher than the CPL, which is known to have a great potential in low-voltage low-power digital applications. Moreover, the LCSCPTL has less power dissipation than the CPL. These features make the LCSCPTL very promising in the applications of low-power low-voltage high-speed applications. Tile LCSCPTL can be operated at 1.2 V without changing conventional 5V CMOS process.

Published in:

VLSI Circuits, 1996. Digest of Technical Papers., 1996 Symposium on

Date of Conference:

13-15 June 1996