Patents
Patents for H03K 19 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits (41,996)
02/1991
02/06/1991EP0411657A1 Constant voltage circuit
02/06/1991EP0411201A1 Potential generator in an integrated semiconductor circuit
02/06/1991EP0411090A1 Machine for circuit design
02/06/1991EP0293410B1 Self-timing circuit
02/06/1991CN1011556B Bidirectional buffer with latch and parity capability
02/05/1991US4990915 Signal processing device such as a digital filter utilizing redundant binary expression and operating method therefor
02/05/1991US4990801 Internal timing circuit for a CMOS programmable logic array
02/04/1991CA2022317A1 High speed cmos differential interface circuits
01/1991
01/30/1991EP0410885A2 Level-conversion semiconductor device
01/30/1991EP0410759A2 Configurable logic array and method
01/30/1991EP0410479A2 Emitter-follower circuit
01/30/1991EP0410473A2 Semiconductor integrated circuit
01/30/1991EP0410402A2 An automatic system for adjusting the output impedance of fast CMOS drivers
01/30/1991EP0410123A2 Method and resulting device for compensating for process variables in a CMOS device driver circuit
01/30/1991EP0410063A1 Differential cascode current switch (DCCS) logic circuit family with input diodes
01/30/1991EP0309451B1 Device to protect against interference signals
01/29/1991US4989224 Current control
01/29/1991US4988899 TTL gate current source controlled overdrive and clamp circuit
01/29/1991US4988898 High speed ECL/CML to TTL translator circuit
01/29/1991US4988897 TTL to CMOS input buffer circuit
01/29/1991US4988888 Semiconductor
01/24/1991DE3941840A1 Electronic interface circuit for FEt and bipolar transistors - uses clamping FET saturation of bipolar transistor
01/23/1991EP0408797A1 Coupling device for broadband signals
01/23/1991EP0321559B1 Exclusive-or gate circuit
01/22/1991US4987578 Mask programmable bus control gate array
01/22/1991US4987326 Semiconductor integrated circuit device having an improved common wiring arrangement
01/22/1991US4987324 High-speed CMOS buffer with controlled slew rate
01/22/1991US4987322 Driver-receiver pair for low noise digital signaling
01/22/1991US4987319 Programmable input/output circuit and programmable logic device
01/22/1991US4987318 High level clamp driver for wire-or buses
01/21/1991CA2021468A1 Broadband signal switching network
01/16/1991EP0407869A2 ECL/CML pseudo-rail circuits, cutoff driver circuit, and latch circuit
01/15/1991US4985650 Programmable logic circuit having bidirectional data lines
01/15/1991US4985649 Connection network for the adjustable connection of a PLA
01/15/1991US4985648 Switching output circuit with high speed operation and low power consumption
01/15/1991US4985646 Output buffer circuit of semiconductor integrated circuit
01/15/1991US4985645 BiCMOS logic circuit having a rapid output voltage falling-down property
01/15/1991US4985644 Output buffer semiconductor and method for controlling current flow in an output switching device
01/15/1991US4985643 Speed enhancement technique for CMOS circuits
01/15/1991US4985641 Semiconductor integrated circuit device having selectable operational functions
01/15/1991CA1279109C Deglitching network for digital logic circuits
01/10/1991WO1991000650A1 Bi-cmos clock driver with reduced crossover current
01/10/1991WO1991000647A1 Apparatus and method for decoding four states with one pin
01/09/1991EP0406996A1 Integrated circuit including programmable circuit
01/09/1991EP0406609A2 Dual supply ECL to TTL translator
01/09/1991EP0406491A1 Noise removing circuit
01/08/1991US4984202 Low voltage-operated semiconductor integrated circuit
01/08/1991US4983959 Logic output macrocell
01/08/1991US4983862 Semiconductor integrated circuit with a bi-MOS input circuit for providing input signals to an internal logic block
01/08/1991US4983861 Semiconductor integrated circuit with an input buffer circuit for preventing false operation caused by power noise
01/08/1991US4983860 Data output buffer for use in semiconductor device
01/03/1991DE4004381A1 TTL to CMOS logic interface - uses relatively fast inverter coupled to relatively slow inverter to block noise
01/02/1991EP0405833A2 Programmable logic level input buffer
01/02/1991EP0405441A2 Buffer circuit having a voltage drop means
01/02/1991EP0405431A2 Complex logic circuit obtaining power from clock signals
01/02/1991EP0404995A1 Integrated-circuit array
01/02/1991EP0277152A4 One-time programmable data security system for programmable logic device
01/01/1991US4982356 Multiple-valued current mode adder implemented by transistor having negative transconductance
01/01/1991US4982120 Power supply decoupling mechanism for integrated circuits
01/01/1991US4982114 Semiconductor logic device having two-dimensional logic arrays and logic cell chains alternately arranged
01/01/1991US4982108 Low current CMOS translator circuit
12/1990
12/28/1990CA2019984A1 Low-voltage cmos output buffer
12/27/1990EP0404636A1 Interface circuit disposed between two digital circuits of different types
12/27/1990EP0404634A1 Interface circuit between two digital circuits of different types
12/27/1990EP0404125A2 Booster circuit
12/27/1990EP0404124A2 Charge pump having pull-up circuit operating with two clock pulse sequences
12/27/1990EP0224542B1 Optical logic device and assembly
12/27/1990CA1278349C Fault tolerant logical circuitry
12/26/1990CN1048122A Internal voltage transducer of semiconductor integrated circuit
12/26/1990CN1047960A Dough-twisting machine
12/25/1990US4980792 BiCMOS power transition circuit
12/25/1990US4980586 Digital integrated circuit propagation delay regulator
12/25/1990US4980583 CMOS level shift circuit with active pull-up and pull-down
12/25/1990US4980582 High speed ECL input buffer for vertical fuse arrays
12/25/1990US4980581 Differential ECL bus tri-state detection receiver
12/25/1990US4980580 CMOS interconnection circuit
12/25/1990US4980579 ECL gate having dummy load for substantially reducing skew
12/25/1990US4980578 Fast sense amplifier
12/21/1990CA2010122A1 Integrated circuit including programmable circuit
12/20/1990DE4006306A1 Innerer spannungswandler in einer integrierten halbleiterschaltung Internal voltage converter in an integrated semiconductor circuit
12/19/1990EP0403217A1 A dough-twisting machine
12/19/1990EP0403174A2 Differential amplifying circuit operable at high speed
12/19/1990EP0403075A2 High performance bicmos logic circuit with full output voltage swing
12/18/1990US4979138 Hybrid optical/electronic
12/18/1990US4978871 Level shift circuit for converting a signal referenced to a positive voltage to a signal referenced to a lower voltage
12/18/1990US4978870 CMOS digital level shifter circuit
12/12/1990EP0401865A2 Correlated sliver latch
12/12/1990CA2018787A1 Dough-twisting machine
12/11/1990US4977402 Nonhysteretic periodic-threshold SQUID comparator and A/D converter
12/11/1990US4977340 Device for protecting an electrical circuit against interference pulses
12/11/1990US4977339 Semiconductor integrated circuit having a MOS transistor with a threshold level to enable a level conversion
12/11/1990US4977338 High speed bipolar-MOS logic circuit including a series coupled arrangement of a bipolar transistor and a logic block having a MOSFET
12/11/1990US4977337 Bi-CMOS logic circuit
12/11/1990US4977335 Low driving voltage operation logic circuit
12/11/1990CA1277722C Logic circuit
12/09/1990CA2017707A1 Correlated sliver latch
12/05/1990EP0400908A2 Line Driver
12/05/1990EP0400372A2 CMOS/ECL converter
12/04/1990US4975631 Constant current source circuit
12/04/1990US4975603 Method and circuitry for compensating for negative internal ground voltage glitches