Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Phase shift by less than period of input
Patent
1994-06-08
1995-08-22
Dougherty, Thomas M.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Phase shift by less than period of input
327270, 327293, 327295, H03K 3037
Patent
active
054444055
ABSTRACT:
A system and method for generating and optimizing clock signals with non-overlapping edges on a chip using a unique programmable on-chip clock generator. Overlapping of the edges of the clocking signals is avoided by adjusting an amount of delay introduced in the on-chip clock generator circuit. The amount of delay is adjusted by programming the on-chip clock generator using either hardware and/or software programming. In hardware programming, the amount of delay adjusted by physically altering the composition of delay elements in the on-chip clock generator. In software programming, the delay is adjusted using software commands to control the operation of delay elements in the on-chip clock generator, or to select the paths that delay the signals.
REFERENCES:
patent: 3622809 (1971-11-01), Williams
patent: 4417158 (1983-11-01), Ito et al.
patent: 4623805 (1986-11-01), Flora et al.
patent: 4845390 (1989-07-01), Chan
patent: 4929854 (1990-05-01), Iino et al.
patent: 5047659 (1991-09-01), Ullrich
Lin Chong M.
Truong Ho D.
Dougherty Thomas M.
Riley Shawn
Seiko Epson Corporation
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