Masayoshi Hirata

Non-volatile semiconductor memory device with variable source voltage

Semiconductor device with connection terminals in the form of a grid array

Non-volatile semiconductor memory device selectively skipping memory cells in programming

Non-volatile storage device

Semiconductor memory and method for substituting a redundancy memory cell

Semiconductor memory apparatus which can make read speed of memory cell faster

Compact semiconductor memory device capable of preventing incomplete writing and erasing

Power supply circuit for selectively supplying normal read voltage and high voltage to semiconductor memory

Halbleitervorrichtung mit als Grid-Array verteilten Verbindungsanschlüssen A semiconductor device having a grid array distributed connection terminals

A semiconductor device having a grid array distributed connection terminals