Semiconductor integrated circuit device and information processor
专利汇可以提供Semiconductor integrated circuit device and information processor专利检索，专利查询，专利分析的服务。并且PURPOSE: To suppress an increase in clock skew even when the number of built-in flip flop circuits increases by amplifying optical clock signals after the optical clock signals are converted into electric clock signals and supplying the amplified electric clock signals to the flip flop circuits.
CONSTITUTION: Electric clock signals (b) generated by a clock generation circuit 5 on the outside of a semiconductor integrated circuit chip 2 are supplied to a light receiving device 6 after the signals (b) are converted into optical clock signals (c) by means of a light emitting device 8. The signals (c) inputted to the device 6 are supplied to the input terminals of flip flop circuits 1 as electric clock signals (a) after the signals (c) are converted into electric signals and the electric signals are amplified. The then clock skew is the sum of the fluctuation of delay time caused by the manufacturing fluctuation of the light receiving device 6 and an amplifier circuit 7 and the fluctuation of propagating time of light caused by an optical transmission line from the light emitting device 8 to the light receiving device 6. Therefore, the clock skew does not increase even when the number of the flip flop circuits 1 increases.
COPYRIGHT: (C)1992,JPO&Japio，下面是Semiconductor integrated circuit device and information processor专利的具体信息内容。
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