摘要:
A data output buffer circuit for a semiconductor integrated circuit, including an input terminal for receiving an input data (IN); an output buffer (OB) having first and second switching circuits (Tr1, Tr2) serially connected between two high and low power source terminals (V cc , V ss ), each of the first and second switching circuits (Tr1, Tr2) having a control terminal for turning on and off each of the first and second switching circuits (Tr1, Tr2) upon reception of a control signal to the control terminal; an output terminal connected to an interconnection between the first and second switching circuits (Tr1, Tr2); and a through current blocking circuit (10; 20; 30) for applying a first control signal to the control terminal of each of the first and second switching circuits (Tr1, Tr2) when the level of the input data (IN) is changed, so as to turn off both the first and second switching circuits (Tr1, Tr2), and thereafter applying a second control signal to the control terminal of each of the first and second switching circuits (Tr1, Tr2), so as to obtain an output signal corresponding to the input data. A data output buffer circuit for a semiconductor integrated circuit having a plurality of output buffer circuits, each output buffer circuit being constructed similar to the above output buffer circuit; wherein each output buffer circuit operates to output an output data for each of a plurality of input data to the external at the same time. A data output buffer circuit for a semiconductor integrated circuit wherein a first transistor (Tr21) of a first channel type and second and third transistor (Tr22, Tr23) of a second channel type are connected in series between a pair of power source terminals (V cc , V ss ), the gate of the first transistor (Tr21) and the gate of one of the second and third transistors (Tr22, Tr23) are connected to an input terminal (A), the input terminal (A) is connected via a delay circuit (DL2) to the gate of the other of the second and third transistors (Tr22, Tr23), and an interconnection between the first and second transistors (Tr21, Tr22) is connected to an output terminal (C).
摘要:
A data output buffer circuit for a semiconductor integrated circuit having a plurality of output buffer circuits (OB) where the output buffer circuits (OB) have serially connected first and second switching means (Tr1, Tr2), a timing signal input terminal for receiving a timing signal (T), timing switch means (Tr41) for being turned on by said timing signal (T), and a delay circuit (D1 ∼ Dn) connected between said timing switch means (Tr41) and the control terminals of the first and second switching means (Tr1, Tr2), where the delay times of the respective delay circuits (Dx) of at least two output buffer circuits are different from one another.
摘要:
A data output buffer circuit for a semiconductor integrated circuit, including an input terminal for receiving an input data (IN); an output buffer (OB) having first and second switching circuits (Tr1, Tr2) serially connected between two high and low power source terminals (V cc , V ss ), each of the first and second switching circuits (Tr1, Tr2) having a control terminal for turning on and off each of the first and second switching circuits (Tr1, Tr2) upon reception of a control signal to the control terminal; an output terminal connected to an interconnection between the first and second switching circuits (Tr1, Tr2); and a through current blocking circuit (10; 20; 30) for applying a first control signal to the control terminal of each of the first and second switching circuits (Tr1, Tr2) when the level of the input data (IN) is changed, so as to turn off both the first and second switching circuits (Tr1, Tr2), and thereafter applying a second control signal to the control terminal of each of the first and second switching circuits (Tr1, Tr2), so as to obtain an output signal corresponding to the input data. A data output buffer circuit for a semiconductor integrated circuit having a plurality of output buffer circuits, each output buffer circuit being constructed similar to the above output buffer circuit; wherein each output buffer circuit operates to output an output data for each of a plurality of input data to the external at the same time. A data output buffer circuit for a semiconductor integrated circuit wherein a first transistor (Tr21) of a first channel type and second and third transistor (Tr22, Tr23) of a second channel type are connected in series between a pair of power source terminals (V cc , V ss ), the gate of the first transistor (Tr21) and the gate of one of the second and third transistors (Tr22, Tr23) are connected to an input terminal (A), the input terminal (A) is connected via a delay circuit (DL2) to the gate of the other of the second and third transistors (Tr22, Tr23), and an interconnection between the first and second transistors (Tr21, Tr22) is connected to an output terminal (C).