Kiyokazu Hashimoto

Voltage detection circuit for detecting input voltage larger in absolute value than power supply voltage

Semiconductor integrated circuit device having internal step-down power voltage generator with auxiliary current path for keeping step-down power voltage constant

ROM type semiconductor memory device with large operating margin

Non-volatile semiconductor memory device equipped with high-speed sense amplifier unit

Nonvolatile semiconductor memory device with redundancy circuit

Semiconductor memory device having improved data output circuit

Semiconductor memory system

Multi-stage ROM wherein a cell current of a selected memory cell is compared with a plurality of constant currents when driven to read voltages

Non-volatile semiconductor memory and method for driving the same

Read only memory device with high speed data output unit