Patent ID: 6320407
Filing Date: 2001-11-20
Classification: H03K

Abstract:
A semiconductor circuit including an output circuit whose slew rate can be adjusted and which outputs a signal, sent from an internal circuit, said semiconductor circuit comprising:at least one output circuit which outputs a signal sent from an internal circuit externally, and whose slew rate is adjusted in response to a setting signal;a replicated output circuit which has a same structure as a structure of the output circuit, receives a pulse signal and outputs a pulse signal, and whose slew rate is adjusted in response to the setting signal;a pulse signal supplier for slew rate adjustment which supplies said replicated output circuit with the pulse signal for slew rate adjustment; anda setting signal supplier which supplies the setting signal for setting a slew rate of said output circuit and said replicated output circuit, andwherein the slew rate of said replicated output circuit is set based on the setting signal, and the slew rate of the output circuit is adjusted to be substantially same as the slew rate of said replicated output circuit.