|
Match
|
Document |
Document Title |
|
|
7598950 |
Display control device with multipurpose output driver
A display control device includes a controller, a scaling engine, a timing controller, a selector and an interface circuit. The controller is for providing a mode-control signal. The scaling engine...
|
|
|
6696858 |
Level-shifting circuit
A semiconductor integrated circuit device includes a level-shifting circuit, a current mirror circuit and a switch circuit. The level-shifting circuit level-shifts an input signal having a first...
|
|
|
6693457 |
Ultra high speed flip-flop
An ultra high speed Emitter Coupled Logic (ECL) flip-flop is provided and a method of operating the same. The ECL flip-flop provides for clock levels that operate at logic levels above the data...
|
|
|
6593774 |
CMOS-interfaceable ECL integrated circuit with tri-state and adjustable amplitude outputs
An improved ECL circuit, based upon an ECL circuit of conventional design, functions as the required transceiver for the bi-directional data transmission between a computer and an electronic device...
|
|
|
6483345 |
High speed level shift circuit for low voltage output
An interface circuit from Common Mode Logic to a low voltage, fixed common mode output, with high current drive. The CML signal is received, and then re-referenced to a low-voltage band-gap supply....
|
|
|
6400184 |
Transistor output circuit
A transistor output circuit featuring a low power consumption, high speed and stabilized operation is realized. The transistor output circuit of the invention is comprised of: transistors Q 59 and...
|
|
|
6300802 |
Output buffer with programmable voltage swing
An integrated circuit device in which the magnitude of the output voltage swings of outputs in a circuit having emitter coupled output transistors is programmable includes a variable bias generator...
|
|
|
6198309 |
Emitter follower output with programmable current
An integrated circuit device having emitter follower outputs with adjustable output currents includes a variable bias generator that produces a bias voltage. The bias voltage is connected to the...
|
|
|
5869994 |
Level converter circuit converting input level into ECL-level against variation in power supply voltage
A level converter circuit includes a differential amplifier 20 having a load resistor 8 supplied at its one end with a voltage which is stabilized against the variation of a power voltage by an...
|
|
|
5777995 |
Translator chip for a wideband network
A translator in an element of a wideband network transforms a format restored by a CCITT information cell into other predetermined formats. It performs this function by inserting cells from a...
|
|
|
5481216 |
Transistor drive circuit with shunt transistor saturation control
A drive transistor has its base coupled to a circuit input and its collector coupled to provide an output current at a circuit output. The output current is responsive to a base current received at...
|
|
|
5448183 |
Semiconductor integrated circuit device for converting PECL-signal into TTL-signal
A semiconductor integrated circuit device has a first ground to which a first circuit is connected and whose level is fluctuate due to noise and a second ground to which a second circuit, which...
|
|
|
5432466 |
ECL to TTL translator with power supply noise suppression
A translator circuit (21) converts an ECL logic level to a TTL logic level. The translator circuit (21) operates at high speeds, rejects power supply noise, and does not use Schottky diodes for...
|
|
|
5428305 |
Differential logic level translator circuit with dual output logic levels selectable by power connector options
Switching between two logic circuits that produce outputs at different respective logic levels is accomplished by means of a common input differential switch that has a branch in each logic...
|
|
|
5349253 |
Logic translator interfacing between five-volt TTL/CMOS and three-volt CML
A logic translating buffer for low voltage operation for receiving a TTL compatible signal and providing a current mode logic signal. The logic translating buffer includes an emitter coupled...
|
|
|
5191581 |
Method and apparatus for providing high performance interconnection between interface circuits coupled to information buses
Methods and apparatus are provided for interconnecting first and second information buses each having a plurality of data lines. A pair of unidirectional information paths each consisting of...
|
|
|
5173625 |
Method and apparatus for conversion of signal level from ECL to TTL
A level conversion apparatus for converting a signal of an ECL level into a signal of a TTL level is disclosed which has source voltages set to a potential corresponding to a lower limit logic...
|
|
|
5173621 |
Transceiver with isolated power rails for ground bounce reduction
Circuit configurations are described for use with split lead leadframes and relatively isolated quiet and noisy power rails to reduce power rail noise and circuit noise. An octal register...
|
|
|
5101124 |
ECL to TTL translator circuit with improved slew rate
An ECL to TTL translator circuit incorporates an ECL input gate, a TTL output gate, and a voltage amplifier transistor element circuit coupled between the ECL input gate and TTL output gate for...
|
|
|
5081376 |
Level converter for converting ECL-level signal voltage to TTL-level signal voltage
According to this invention, a level converter has a pair of differential transistors operated at a negative voltage in accordance with an ECL-level input signal, and first and second output nodes...
|
|
|
5068550 |
ECL-TTL signal level converter
An ECL-TTL signal level converter includes a first transistor pair having transistors controlled by ECL signals. A second transistor pair is connected to the transistors of the first transistor...
|
|
|
5065051 |
ECL-TTL level converting circuit
An ECL-TTL level converting circuit comprises a first transistor having a collector connected to a ground line and an emitter connected to a negative voltage line through a constant current source,...
|
|
|
5047672 |
ECL/TTL conversion circuit and translation programmable array logic
A circuit (90) converts a true ECL signal to a true TTL signal. The circuit includes a differential circuit (180) that receives an ECL signal having high and low values. The differential circuit...
|
|
|
5045729 |
TTL/ECL translator circuit
A TTL/ECL translation circuit for translating TTL level input signals, which have a high voltage state and a low voltage state, to ECL level output signals, which have a high voltage state and a...
|
|
|
5039881 |
High speed, low power input buffer
An input buffer includes an input circuit (80), a pair of complimentary outputs (52,54) and a differential ampliifer (12). The input buffer includes a pull-down diode (90) arranged in parallel with...
|
|
|
5036225 |
TTL-ECL level converting circuit
A TTL-ECL converting circuit comprises a Schottky barrier diode, the cathode of which is connected to an input terminal receiving a TTL signal and the anode of which is connected to a first...
|
|
|
5025180 |
TTL to ECL voltage level translator
The present invention relates to a level translator which translates TTL level signals to ECL level. The translating speed is enhanced by making the input circuit of the level translator which...
|
|
|
5023487 |
ECL/TTL-CMOS translator bus interface architecture
Described is an architecture for translating between ECL and TTL/CMOS signal levels in which the control signal applied to the translating circuitry is of the same type as the output signal of the...
|
|
|
5015888 |
Circuit and method of generating logic output signals from an ECL gate to drive a non-ECL gate
Conversion from a first set of logic levels, such as ECL levels, to a second set of logic levels, such as TTL, is performed by using a regulator (46) and is parallel to the circuit generating the...
|
|
|
5015887 |
A-B buffer circuit with TTL compatible output drive
A single supply, TTL-compatible, class A-B signal buffer architecture comprises a multistage emitter-follower transistor circuit that is coupled between an input terminal and an output terminal...
|
|
|
5013941 |
TTL to ECL/CML translator circuit
A translator-translator logic (TTL) to emitter coupled logic or current mode logic (ECL/CML) input buffer and translator circuit provides temperature compensated input and threshold signal voltage...
|
|
|
5008570 |
Schmitt-triggered TTL to CML input buffer apparatus
A TTL to CML input buffer and conversion apparatus having a Schmitt trigger to receive a TTL logic signal and apply the logic signal levels to a CML gate unit. The logic levels of the TTL signal...
|
|
|
5001370 |
High speed ECL to TTL translator having a non-Schottky clamp for the output stage transistor
A high speed voltage translator is responsive to an ECL input signal for providing a TTL output signal at an output while clamping the low output voltage thereof to a predetermined value. The ECL...
|
|
|
4999520 |
High speed TTL buffer circuit which is resistive to the influence of alpha-rays
A semiconductor integrated circuit wherein an input circuit is formed by a phase split circuit consisting of a bipolar transistor which outputs an inverted output from the collector and...
|
|
|
4998029 |
Dual supply ECL to TTL translator
An ECL to TTL translator converts a signal from ECL logic levels to TTL compatible logic levels without introducing current spikes in the output signal during logic translations. The ECL input...
|
|
|
4996452 |
ECL/TTL tristate buffer
An ECL/TTL translation circuit for translating ECL level input signals, which have a high voltage state and a low voltage state, to TTL level output signal, which have a high voltage state and a...
|
|
|
4994691 |
TTL-to-CML translator circuit
A TTL-to-CML translator circuit includes a TTL input stage (20), a translation chain (22), a first CML differential pair (24), a level shifter (26), and a second CML differential pair (28). The...
|
|
|
4988899 |
TTL gate current source controlled overdrive and clamp circuit
An ECL/CML to TTL translator circuit couples the output of an ECL/CML gate to the input of a TTL gate. The ECL/CML gate operates with reference to a first power rail higher reference voltage level...
|
|
|
4988898 |
High speed ECL/CML to TTL translator circuit
An ECL/CML to TTL translator circuit couples the output of an ECL/CML gate to the input of a TTL gate. The ECL/CML gate operates with reference to a first power rail higher reference voltage level...
|
|
|
4978871 |
Level shift circuit for converting a signal referenced to a positive voltage to a signal referenced to a lower voltage
A level shift circuit for converting an input signal referenced to a positive voltage to an output signal referenced to a lower voltage, such as ground. The level shift circuit includes one or more...
|
|
|
4977339 |
Semiconductor integrated circuit having a MOS transistor with a threshold level to enable a level conversion
A semiconductor integrated circuit comprises a positive voltage line, a negative voltage line, a ground line, a first circuit connected between the ground line and one of the positive voltage line...
|
|
|
4973863 |
TTL-ECL interface circuit
A circuit for interfacing (parallel format) TTL signals with a serial format ECL signal port includes a parallel-to-serial shift register, a first voltage level shifting stage and an output,...
|
|
|
4972104 |
TTL totem pole anti-simultaneous conduction circuit
An anti-simultaneous conduction transistor is incorporated into the standard TTL circuit totem pole to reduce simultaneous conduction of the pullup and pulldown transistor elements of the totem...
|
|
|
4945263 |
TTL to ECL/CML translator circuit with differential output
A TTL to ECL/CML translator circuit delivers differential or complementary ECL logic output signals in response to TTL input signals with voltage gain, small output voltage swing and with a narrow...
|
|
|
4939393 |
ECL to TTL/CMOS translator using a single power supply
An single power supply ECL to TTL/CMOS translator is provided for converting a signal from differential ECL logic levels to TTL or CMOS compatible logic levels without introducing current spikes in...
|
|
|
4931673 |
ECL-to-TTL translator circuit with ground bounce protection
An ECL-to-TTL translator circuit for converting ECL logic level signals to TTL logic level signals includes an active pull-down circuit (120), a high level voltage clamping circuit (122), and...
|
|
|
4931672 |
True TTL to true ECL bi-directional tristatable translator driver circuit
The present invention provides an integrated circuit that has both driver and receiver functions. The circuit of the present invention has two interrelated parts. The first part of the circuit...
|
|
|
4912344 |
TTL output stage having auxiliary drive to pull-down transistor
A novel output stage is provided for producing a TTL output signal in response to the differential output signals from an ECL switch. The output stage includes a translator portion to shift the...
|
|
|
4883990 |
ECL-TTL level converter
An ECL-TTL level converter having a three-state output level is disclosed. A circuit provided in the converter for forming the three-state output level includes a function for protecting IC's...
|
|
|
4874970 |
ECL output with Darlington or common collector-common emitter drive
The described embodiment of the present invention provides an output drive circuit having an input circuit comprising a differentially coupled pair of transistors. The output of the differentially...
|