SEMICONDUCTOR DEVICE HAVING DATA OUTPUT CIRCUIT FOR ADJUSTING SLEW RATE BETWEEN NORMAL MODE AND SLOW SLEW RATE MODE

摘要

PURPOSE: A semiconductor device having a data output circuit for adjusting a slew rate between a normal mode and a slow slew rate mode is provided to optimize the power consumption and prevent high-speed ringing by switching the slew rate between the normal mode and the slow slew rate mode. CONSTITUTION: A semiconductor device includes a first insulating gate type field effect transistor(PT10) and a second insulating gate type field effect transistor(NT10) which are connected between a power supply node and an output node. The first and the second insulating gate type field effect transistors are used for driving output nodes to the same direction according to output control signals. The first insulating gate type field effect transistor is formed on a first conductive type semiconductor substrate region. The second insulating gate type field effect transistor is formed on a second conductive type semiconductor substrate region.