MDRAM P.C.P. SENSOR AMPLIFIER

摘要

In the P.C.P (PMOS latch cut-off voltage level precharge scheme) sense amplifier for decreasing the size and the interconnection line of mega DRAM, the equalizing signal is applied to the equalizing transistor (Q18) and the precharge driving transistor (Q17). The source and the drain of the equalizing transistor is connected to the bit line and the bit line, respectively. The source and the drain of the precharge driving transistor is connected to the ground and the common source of PMOS latch transistor (Q14,Q15), respectively. The cut-off voltage level of PMOS latch transistor is used in t of precharging.