摘要:
A termination resistance circuit includes a control signal generator for generating a control signal whose logical value changes when a calibration code has a predetermined value, a plurality of parallel resistors which are respectively turned on/off in response to the calibration code, and a resistance value changing unit for changing the total resistance value of the termination resistance circuit in response to the control signal.
摘要:
A data output circuit includes a serial data output unit for outputting a plurality of parallel data as serial data according to an operation mode, an internal information output unit for outputting internal information data according to the operation mode, and a buffering unit for receiving the serial data and the internal information data through an identical input end and buffering the received data.
摘要:
A semiconductor device includes a swing level shifting unit configured to use a first power supply voltage as a power supply voltage, receive a CML clock swinging around a first voltage level, and shift a swing reference voltage level of the CML clock to a second voltage level lower than the first voltage level, and a CML clock transfer buffering unit configured to use a second power supply voltage as a power supply voltage and buffer the CML clock, which is transferred from the swing level shifting unit and swings around the second voltage level.
摘要:
A termination resistance circuit includes a control signal generator for generating a control signal whose logical value changes when a calibration code has a predetermined value, a plurality of parallel resistors which are respectively turned on/off in response to the calibration code, and a resistance value changing unit for changing the total resistance value of the termination resistance circuit in response to the control signal.
摘要:
An internal voltage generator includes: a detection unit configured to detect a level of an internal voltage in comparison to a reference voltage; a first driving unit configured to discharge an internal voltage terminal, through which the internal voltage is outputted, in response to an output signal of the detection unit; a current detection unit configured to detect a discharge current flowing through the first driving unit; and a second driving unit configured to charge the internal voltage terminal in response to an output signal of the current detection unit.
摘要:
A rail-to-rail amplifier includes an NMOS type amplification unit configured to perform an amplification operation on differential input signals in a domain in which DC levels of the differential input signals are higher than a first threshold value, a PMOS type folded-cascode amplification unit configured to perform an amplification operation on the differential input signals in a domain in which the DC levels of the differential input signals are lower than a second threshold value which is higher than the first threshold value, the PMOS type folded-cascode amplification unit being cascade-coupled to the NMOS type amplification unit, and an adaptive biasing unit configured to interrupt a current path of the PMOS type folded-cascode amplification unit in a domain in which the DC levels of the differential input signals are higher than the second threshold value in response to the differential input signals.
摘要:
A rail-to-rail amplifier includes an NMOS type amplification unit configured to perform an amplification operation on differential input signals in a domain in which DC levels of the differential input signals are higher than a first threshold value, a PMOS type folded-cascode amplification unit configured to perform an amplification operation on the differential input signals in a domain in which the DC levels of the differential input signals are lower than a second threshold value which is higher than the first threshold value, the PMOS type folded-cascode amplification unit being cascade-coupled to the NMOS type amplification unit, and an adaptive biasing unit configured to interrupt a current path of the PMOS type folded-cascode amplification unit in a domain in which the DC levels of the differential input signals are higher than the second threshold value in response to the differential input signals.
摘要:
A data output circuit includes a serial data output unit for outputting a plurality of parallel data as serial data according to an operation mode, an internal information output unit for outputting internal information data according to the operation mode, and a buffering unit for receiving the serial data and the internal information data through an identical input end and buffering the received data.
摘要:
A latch circuit includes a data input/output unit configured to form a current path through a first node in response to an input data to output an output data, a holding unit configured to form a current path through a second node in response to the output data to store the output data, and a clock input unit coupled to the first and second nodes in parallel in response to a clock.
摘要:
A filtering circuit includes a clock selection unit configured to transfer a first clock or a second clock having a frequency lower than the first clock as an operating clock in response to a frequence signal, and a filter configured to filter an input signal and generate a filtered signal in synchronization with the operating clock.