Semiconductor memory apparatus
View Patent ↗A semiconductor memory apparatus includes a bank; a temperature sensor configured to generate a temperature voltage of which voltage level is changed according to a temperature variation of the bank; and a timing control block configured to control a timing of a signal to be inputted to the bank, according to the voltage level of the temperature voltage.
1. A semiconductor comprising:
a first circuit;
a second circuit;
a first temperature sensor configured to generate a first temperature voltage in response to a temperature of the first circuit;
a second temperature sensor configured to generate a second temperature voltage in response to a temperature of the second circuit;
a signal transfer block configured to output a signal to one of the first circuit and the second circuit in response to an circuit select signal; and
a timing control block configured to control a timing of the signal in response to the first and second temperature information,
wherein the timing control block determines whether to delay the signal, according to the voltage level of the first temperature voltage, and outputs the signal which is determined in terms of whether to be delayed or not, to the first circuit, and
wherein the timing control block determines whether to delay the signal, according to the voltage level of the second temperature voltage, and outputs the signal which is determined in terms of whether to be delayed or not, to the second circuit.
2. The semiconductor according to claim 1 ,
wherein the first temperature sensor generates the first temperature voltage of which voltage level increases as the temperature of the first circuit increases, and
wherein the second temperature sensor generates the second temperature voltage of which voltage level increases as the temperature of the second circuit increases.
3. The semiconductor memory apparatus according to claim 1 , wherein the timing control block comprises:
a comparison signal generation unit configured to compare a reference voltage of which voltage level is constant regardless of a temperature variation and the respective voltage levels of the first and second temperature voltages, and generate a first comparison signal and a second comparison signal; and
an output timing control unit configured to determine whether to delay the signal in response to the first comparison signal and the second comparison signal and output the signal which is determined in terms of whether to be delayed or not to one of the first circuit and the second circuit according to the circuit select signal.
4. The semiconductor according to claim 3 , wherein the comparison signal generation unit comprises:
a first comparing section configured to compare the voltage levels of the reference voltage and the first temperature voltage and generate the first comparison signal; and
a second comparing section configured to compare the voltage levels of the reference voltage and the second temperature voltage and generate the second comparison signal.
5. The semiconductor according to claim 4 ,
wherein the output timing control unit comprises:
a first delay part configured to delay and output the signal;
a first multiplexer configured to output one of the signal and a signal from the first delay part, in response to one of the first comparison signal;
a second delay part configured to delay and output the signal; and
a second multiplexer configured to output one of the signal and a signal from the second delay part, in response to the second comparison signal.
6. The semiconductor according to claim 1 ,
Wherein the first circuit includes a first semiconductor memory apparatus and the second circuit includes a second semiconductor memory apparatus.