Semiconductor integrated circuit for supplying a control signal

Details Semiconductor integrated circuit for supplying a control signal Semiconductor integrated circuit for supplying a control signal

1997-01-30

1998-10-13

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Signals

365233, G11C 700

Patent

active

058222553

ABSTRACT:
A semiconductor integrated circuit has first and second delay controllers for receiving an input signal, a plurality of object circuits for receiving an internal signal from the first delay circuit through a real line, and a phase comparator. The phase comparator receives the input signal and a dummy internal signal from the second delay controller through a dummy line, and compares the phases of the received signals with each other. Further, the phase comparator controls delays in the first and second delay controllers according to the comparison result. The length of the real line from the first delay controller to any one of the object circuits is substantially identical, and a load value of the dummy line is substantially equal to that of the real line between the first delay controller and any one of the object circuits. Therefore, each of the object circuits or pads receives a phase-locked control signal without regard to the physical position thereof.

REFERENCES:
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patent: 5504715 (1996-04-01), Lee et al.
patent: 5553033 (1996-09-01), McAdams
patent: 5557580 (1996-09-01), Numaga et al.
patent: 5566108 (1996-10-01), Kitamura et al.
patent: 5566130 (1996-10-01), Durham et al.
patent: 5740123 (1998-04-01), Uchida

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