TH7180B - Powerful two-way buffers for latching and parity monitoring. - Google Patents

Abstract

The transient support circuit is effective for detecting and always detecting data conditions Transient support circuit to detect and detect the equality state of the data signal between buses. The first and second data, and there is also a two-way temporary bit support circuit. The circuit supports temporary bits, two-way signals, each circuit also has The first available information corridor Data receiver unit The capture unit and the driving unit are connected together. It is serial between the first and second data bus. The second information corridor contains an information receiver unit. The capture and drive units are connected in series between the first and second data buses. The control mechanism of the drive unit to selectively puts the signal in a high impedance or active state, and the control mechanism allows the data signal to pick or transmit over the signal source circuit, connected to the output of the capture unit at the path. Walks one of the data of the transient bit receiver circuit to generate the signal always, the data response at the exit of the capture unit, through the signal capture unit, and drive the signal with a phase divider to make the circuit pass. The signal is faster and at the same time does not require a large increase in power consumption:

Claims (5)

1.Pass-through type in circuit with zero factor Integration of a zero circuit to send a data signal to the center of the circuit, the factor connected to the center of the circuit to detect such information signal. And signal capture circuit Such pass-through type, which responds to a logical control signal with a clamp. Capture that information signal at the center of the said circuit. Pass-through receiver circuit Such includes The capture factor, which is connected to the center of the said circuit together with the transmit factor The information and the aforementioned detecting factor are T-shaped (T) to selectively capture the data signal. It is located at the center of the said circuit and the control factor which is connected to the capture factor to transmit the control signal. Logical means to the capture factor and force the capture factor to be transmitted. The said information signal passes or holds it at the center of the said circuit. Regardless of the state of such transmission factor 2. Through-pass signal capture circuit that responds to logic control signals. One signal by holding the data signal that the receiver circuit sends to the center. Of one zero circuit The pass-through signal capture circuit consists of The first transistor, which is responsible for supplying electricity from the first terminal to the The second terminal according to the signal transmitted to its control terminal. The first transistor There is one terminal connected to the center of the said circuit and the second terminal to the standard voltage. The factor for sending the control signal to the control terminal of the said first transistors. A second transistor, which has one terminal connected to the control signal terminal of The first transistor and the second terminal connected to the aforementioned standard potential. A resistor connected between the center of the said circuit and the signal terminal. Control of the aforementioned second transistor and the factor which will respond to the said logic control signal by providing Generates a second control signal, which operates independently of the center of the said circuit. From the receiving circuit, when the capture circuit is forced to capture the data signal It is located at the center of the said circuit. 3. The circuit captures the pass-through type according to claim No. 2, in case the factor Giving birth to it consisted of Third transistor The factor for sending the control signal to the control terminal of the aforementioned third transistor and the second standard potential value connected to the second terminal of the said third transistor. The two are born on the first terminal of the third transistors. 4. The circuit captures the pass-through type according to claim 3, in the event that the circuit Received such a signal is made up of negative-positive-negative bipolar transistors. And has a collector device The open type is connected to the center of the circuit in conjunction with a pull-up resistor and a control signal.The second signal is responsible for the control of the open collector device. 5. Through-through signal capture circuit according to claim 3, which also includes With a Schottky diode with the positive terminal to the base of the third transistor and the negative terminal to the collector of the third transistor.