U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Clocked differential cascode voltage switch with pass gate logic

Patent 6437604 Issued on August 20, 2002. Estimated Expiration Date: Icon_subject March 15, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Integrated circuit having a sense amplifier
Patent #: 5253137
Issued on: 10/12/1993
Inventor: Seevinck

Sense amplifier with offset autonulling
Patent #: 5568438
Issued on: 10/22/1996
Inventor: Penchuk

Single-phase edge-triggered dual-rail dynamic flip-flop
Patent #: 5920218
Issued on: 07/06/1999
Inventor: Klass, et al.

Latch-type sense amplifier for amplifying low level differential input signals
Patent #: 6184722
Issued on: 02/06/2001
Inventor: Hayakawa

Input buffer circuit Patent #: 6215339
Issued on: 04/10/2001
Inventor: Hedberg

Inventor

Application

No. 808139 filed on 03/15/2001

US Classes:

326/98, MOSFET326/93, CLOCKING OR SYNCHRONIZING OF LOGIC STAGES OR GATES326/95, Field-effect transistor365/205, Flip-flop used for sensing365/207, Differential sensing365/208Semiconductors

Examiners

Primary: Tokar, Michael
Assistant: Tan, Vibol

Attorney, Agent or Firm

International Class

H03K 019/096

Abstract

A logic circuit and associated method are provided to improve the switching performance of integrated circuit devices. The logic circuit includes first and second complementary control logic circuits (e.g., pass transistor circuits), first and second capacitors each having one plate connected to a first potential and another plate connected to a respective one of first and second complementary outputs of said logic circuit, a differential cascode voltage switch circuit, comprising at least first and second transistors each having gates cross-coupled to said first and second complementary outputs, and precharge circuitry configured to precharge said first and second complementary outputs to a desired (e.g., high) state.

Other References

  • L.A. Glasser and D.W. Doberpuhl, "The design and analysis of VLSI circuits," Addison-Wesley, Reading Massachusetts, 1985, pp. 16-20
  • J.M. Rabaey, "Digital Integrated Circuits; A design perspective," Prentice Hall, Upper Saddle River, N.J., pp. 210-222, 1996
  • Parameswar et al., Swing restored pass-transistor logic based multiply and accumulate circuit for multimedia applications, IEEE J. Solid-State Circuits, vol. 31, No. 6, pp. 804-809, Jun. 1996
  • Parameswar et al., "High speed, low power, swing restored pass-transistor logic based multiply and accumulate circuit for multimedia applications," Proc. Custom Integrated Circuits Conf., San Diego, p. 278-281, May 1994
  • T.S. Cheung and K. Asada, "Regenerative pass-transistor logic: A circuit technique for high speed digital design," IEICE Trans. on Electronics, vol. E79-C, No. 9, pp. 1274-1284, 1996
  • K. Bernstein et al., "High-speed design styles leverage IBM technology prowess," MicroNews, vol. 4, No. 3, 1998
  • T. Fuse et al., "A 0.5V 200 mhz 1-stage 32b ALU using body bias controlled SOI pass-gate logic," Dig. IEEE Int. Solid-State Circuits Conf., San Francisco, pp. 286-287, 1997
  • K. Yano et al., "Top-down pass-transistor logic design," IEEE J. Solid-State Circuits, vol. 31, No. 6, pp. 792-803, Jun. 1996
  • K.H. Cheng et al., "A 1.2V CMOS multiplier using low-power current-sensing complementary pass-transistor logic," Proc. Third Int. Conf. On Electronics, Circuits and Systems, Rodos, Greece, Oct., 13-16 vol. 2, pp. 1037-1040, 1996
  • S. Yamashita et al., "Pass-transistor?CMOS collaborated logic: the best of both worlds," Dig. Symp. On VLSI Circuits, Kyoto, Japan, Jun., 12-14 pp. 31-32, 1997
  • R. Zimmerman et al., "Low-power logic styles:CMOS versus pass transistor logic," IEEEJ. Solid-State Circuits, vol. 32, No. 7, pp. 1079-1790, Jul. 1997
  • M. Suzuki et al., "A 1.5ns 32-b CMOS ALU in double pass-transistor logic," IEEE J. Solid-State Circuits, vol. 28, No. 11, pp. 1145-1151, Nov. 1993
  • M. Hanawa et al., "4.3ns 0.3micron CMOS 54×54 multiplier using precharged pass-transistor logic," IEEE Int. Solid-State Circuits Conf., pp. 364-365, Feb. 1996
  • L. McCurchie, S. Kio, G. Yee, T. Thorp, and C. Sechen, "Output Prediction Logic Techniques," (to be published) pp. 247-254
  • V.G. Oklobdzija, "Differential and pass-transistor CMOS logic for high performance systems," Microlectronic J., vol. 29, No. 10, pp. 679-688, 1998
  • C. Tretz et al., "Performance comparison of differential static CMOS circuit topologies in SOI technology," Proc. IEEE Int. SOI Conference, Oct. 5-8, FL, pp. 123-124, 1998
  • S.I. Kayed et al., "CMOS differential pass-transistor logic (CMOS DPTL) predischarge buffer design," 13th National Radio Science Conf., Cairo, Egypt, pp. 527-534, 1996
  • F.S. Lai and W. Hwang, "Design and implementation of differential cascode voltage switch with pass-gate (DCVSPG) logic for high performance digital systems," IEEE J. Solid-State Circuits, vol. 34, pp. 563-573, Apr., 1997
  • A.M. Fahim and M.I. Elmasry, "Low-volume high-performance differential static logic (LVDSL) family," IEEE Int. symp. On Circuits and Systems, vol. 1, pp. 230-233, 199
PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$18.95more info
 
Sign InRegister
Username  
Password   
forgot password?