Masaki Tsukude

Semiconductor device having internal power supply voltage generation circuit

Fully-hidden refresh dynamic random access memory

Semiconductor memory device having complete hidden refresh function

Semiconductor memory device with activation of a burst refresh when a long cycle is detected

Semiconductor memory device equipped with control circuit for controlling memory cell array in non-normal operation mode

SEMICONDUCTOR MEMORY DEVICE EQUIPPED WITH REFRESH TIMING SIGNAL GENERATOR

Semiconductor memory device capable of overcoming refresh disturb

Semiconductor integrated circuit device including a negative power supply circuit

Semiconductor device with test mode

Semiconductor memory device having control circuit