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Class Information
Number: 326/54
Name: Electronic digital logic circuitry > Exclusive function (e.g., exclusive or, etc.) > Exclusive nor
Description: Subject matter comprising a logic circuit which produces an output signal only if all logic input signals are identical (i.e., all are logically true or all are logically false).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612583 |
Efficient XOR calculation |
Nov. 3, 2009 |
| 7557614 |
Topology for a n-way XOR/XNOR circuit |
Jul. 7, 2009 |
| 7554359 |
Circuit for inspecting semiconductor device and inspecting method |
Jun. 30, 2009 |
| 7429872 |
Logic circuit combining exclusive OR gate and exclusive NOR gate |
Sep. 30, 2008 |
| 7358768 |
XOR-based conditional keeper and an architecture implementing its application to match lines |
Apr. 15, 2008 |
| 7312634 |
Exclusive-or and/or exclusive-nor circuits including output switches and related methods |
Dec. 25, 2007 |
| 7271703 |
2-bit binary comparator and binary comparing device using the same |
Sep. 18, 2007 |
| 7242219 |
Circuit for parity tree structure |
Jul. 10, 2007 |
| 7187204 |
Circuit for inspecting semiconductor device and inspecting method |
Mar. 6, 2007 |
| 7142013 |
One-level zero-current-state exclusive or (XOR) gate |
Nov. 28, 2006 |
| 6989715 |
One-level zero-current-state exclusive or (XOR) gate |
Jan. 24, 2006 |
| 6933748 |
Filter network combining non-superconducting and superconducting filters |
Aug. 23, 2005 |
| 6930512 |
One-level zero-current-state exclusive or (XOR) gate |
Aug. 16, 2005 |
| 6798241 |
Methods for aligning data and clock signals |
Sep. 28, 2004 |
| 6700405 |
Logic circuit and full adder using the same |
Mar. 2, 2004 |
| 6686776 |
Digital data coincidence determining circuit |
Feb. 3, 2004 |
| 6680625 |
Symmetrical CML logic gate system |
Jan. 20, 2004 |
| 6573758 |
Fast, symmetrical XOR/XNOR gate |
Jun. 3, 2003 |
| 6559674 |
Variable function information processor |
May. 6, 2003 |
| 6456116 |
Dynamic comparator circuit |
Sep. 24, 2002 |
| 6137188 |
Method for shared voltage regulation with multiple devices |
Oct. 24, 2000 |
| 6094074 |
High speed common mode logic circuit |
Jul. 25, 2000 |
| 6057709 |
Integrated XNOR flip-flop |
May. 2, 2000 |
| 5995420 |
Integrated XNOR flip-flop for cache tag comparison |
Nov. 30, 1999 |
| 5986538 |
N-bit comparator |
Nov. 16, 1999 |
| 5936427 |
Three-input exclusive NOR circuit |
Aug. 10, 1999 |
| 5831454 |
Emitter coupled logic (ECL) gate |
Nov. 3, 1998 |
| 5825204 |
Apparatus and method for a party check logic circuit in a dynamic random access memory |
Oct. 20, 1998 |
| 5736868 |
Exclusive OR/NOR gate circuit |
Apr. 7, 1998 |
| 5614841 |
Frequency multiplier using XOR/NXOR gates which have equal propagation delays |
Mar. 25, 1997 |
| 5576637 |
XOR CMOS logic gate |
Nov. 19, 1996 |
| 5568067 |
Configurable XNOR/XOR element |
Oct. 22, 1996 |
| 5523707 |
Fast, low power exclusive or circuit |
Jun. 4, 1996 |
| 5481215 |
Coherent multiplexer controller |
Jan. 2, 1996 |
| 5391938 |
Comparator using XNOR and XOR gates |
Feb. 21, 1995 |
| 5334888 |
Fast exclusive-or and exclusive-nor gates |
Aug. 2, 1994 |
| 5289055 |
Digital ECL bipolar logic gates suitable for low-voltage operation |
Feb. 22, 1994 |
| 5206547 |
High-speed programmable state counter |
Apr. 27, 1993 |
| 5155387 |
Circuit suitable for differential multiplexers and logic gates utilizing bipolar and field-effect transistors |
Oct. 13, 1992 |
| 5075576 |
Field-programmable logic device with programmable foldback to control number of logic levels |
Dec. 24, 1991 |
| 4999687 |
Logic element and article comprising the element |
Mar. 12, 1991 |
| 4924117 |
Logic circuit having an error detection function |
May. 8, 1990 |
| 4888499 |
Three input exclusive OR-NOR gate circuit |
Dec. 19, 1989 |
| 4870305 |
Circuit for performing the EXCLUSIVE-OR function |
Sep. 26, 1989 |
| 4749886 |
Reduced parallel EXCLUSIVE or and EXCLUSIVE NOR gate |
Jun. 7, 1988 |
| 4739195 |
Mosfet circuit for exclusive control |
Apr. 19, 1988 |
| 4710650 |
Dual domino CMOS logic circuit, including complementary vectorization and integration |
Dec. 1, 1987 |
| 4703204 |
Logic coincidence gate and logic sequential circuits using said coincidence gate |
Oct. 27, 1987 |
| 4645953 |
Current source which saves power in programmable logic array circuitry |
Feb. 24, 1987 |
| 4626711 |
Exclusive or gate circuit |
Dec. 2, 1986 |
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