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Class Information
Number: 326/124
Name: Electronic digital logic circuitry > Function of and, or, nand, nor, or not > Bipolar transistor (e.g., rtl, dctl, etc.)
Description: Subject matter including a semiconductor device of the type having at least three electrodes (emitter, base, and collector), two potential barriers, and wherein a controlled current flow comprises both majority and minority carriers (i.e., holes and electrons).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7567891 |
Hot-carrier device degradation modeling and extraction methodologies |
Jul. 28, 2009 |
| 7474126 |
Parallel bipolar logic devices and methods for using such |
Jan. 6, 2009 |
| 7408384 |
Drive circuit of computer system for driving a mode indicator |
Aug. 5, 2008 |
| 7106093 |
Semiconductor device |
Sep. 12, 2006 |
| 6888378 |
Semiconductor integrated circuit |
May. 3, 2005 |
| 6876934 |
Method for determining fault coverage from RTL description |
Apr. 5, 2005 |
| 6753703 |
Resetable cascadable divide-by-two circuit |
Jun. 22, 2004 |
| 6400184 |
Transistor output circuit |
Jun. 4, 2002 |
| 6307404 |
Gate structures with reduced propagation-delay variations |
Oct. 23, 2001 |
| 6266800 |
System and method for eliminating effects of parasitic bipolar transistor action in dynamic logic using setup time determination |
Jul. 24, 2001 |
| 6255857 |
Signal level shifting circuits |
Jul. 3, 2001 |
| 6249148 |
Low power variable base drive circuit |
Jun. 19, 2001 |
| 6222391 |
Semiconductor integrated circuit |
Apr. 24, 2001 |
| 5847576 |
Low power, variable logic threshold voltage, logic gates |
Dec. 8, 1998 |
| 5693978 |
Reset signal output circuit and semiconductor integrated circuit device |
Dec. 2, 1997 |
| 5537064 |
Logic circuit capable of handling large input current |
Jul. 16, 1996 |
| 5532619 |
Precision level shifter w/current mirror |
Jul. 2, 1996 |
| 5506521 |
ECL driver with adjustable rise and fall times, and method therefor |
Apr. 9, 1996 |
| 5495099 |
High speed super push-pull logic (SPL) circuit using bipolar technology |
Feb. 27, 1996 |
| 5473272 |
Digital differential amplifier switching stage with current switch |
Dec. 5, 1995 |
| 5463332 |
Multiple differential input ECL or/nor gate |
Oct. 31, 1995 |
| 5438284 |
Basic logic circuit having multi-emitter transistor |
Aug. 1, 1995 |
| 5382843 |
One or two transistor logic with temperature compensation and minimized supply voltage |
Jan. 17, 1995 |
| 5357151 |
Intrinsically safe logic and-circuit having two inputs |
Oct. 18, 1994 |
| 5317208 |
Integrated circuit employing inverse transistors |
May. 31, 1994 |
| 5309044 |
Modified widlar source and logic circuit using same |
May. 3, 1994 |
| 5300827 |
Noise immune NTL logic network |
Apr. 5, 1994 |
| 5281871 |
Majority logic circuit |
Jan. 25, 1994 |
| 5260609 |
Logic circuit uising transistor having negative differential conductance |
Nov. 9, 1993 |
| 5214318 |
Semiconductor integrated circuit device having a signal transmission line pair interconnected by propagation delay time control resistance |
May. 25, 1993 |
| 5126597 |
High speed IC device empolying non-threshold logic circuits to provide logic gates having different power and load requirements |
Jun. 30, 1992 |
| 5121004 |
Input buffer with temperature compensated hysteresis and thresholds, including negative input voltage protection |
Jun. 9, 1992 |
| 5091659 |
Composite logic gate circuit with means to reduce voltage required by logic transistors from external source |
Feb. 25, 1992 |
| 5089724 |
High-speed low-power ECL/NTL circuits with AC-coupled complementary push-pull output stage |
Feb. 18, 1992 |
| 5079448 |
Emitter-follower circuit in which load capacitance is quickly discharged |
Jan. 7, 1992 |
| 5039874 |
Method and apparatus for driving an integrated-circuit output pad |
Aug. 13, 1991 |
| 5032744 |
High speed comparator with offset cancellation |
Jul. 16, 1991 |
| 5015874 |
Status holding circuit and logic circuit using the same |
May. 14, 1991 |
| 5012129 |
Line driver |
Apr. 30, 1991 |
| 4897705 |
Lateral bipolar transistor for logic circuit |
Jan. 30, 1990 |
| 4891729 |
Semiconductor integrated-circuit apparatus |
Jan. 2, 1990 |
| 4857762 |
Digital 2-of-3 selection and output circuit |
Aug. 15, 1989 |
| 4806785 |
Half current switch with feedback |
Feb. 21, 1989 |
| 4795921 |
Logic operation-oscillation circuit |
Jan. 3, 1989 |
| 4704544 |
Complementary current mirror logic |
Nov. 3, 1987 |
| 4677312 |
High voltage swing open collector driver |
Jun. 30, 1987 |
| 4677316 |
Logic circuit with threshold and built-in safety |
Jun. 30, 1987 |
| 4663544 |
High performance analog gate/absolute value circuit |
May. 5, 1987 |
| 4636660 |
Fail-safe "AND" gate using capacitor discharge through a transformer |
Jan. 13, 1987 |
| 4590392 |
Current feedback Schottky logic |
May. 20, 1986 |
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