IBM Technical Disclosure Bulletin "Double Frequency Clock Generator)" Aug. 1991 Nishihara vol. 34, No. 3 pp. 55-57. |
"Advanced Clock Controller Cuts Power Needs, Size of Static CMOS Systems" (Electronic Design Oct. 4, 1984) Curtis A Mroz & Walt Niewierski Oct. 1984 pp. 185-191. |
"Clocking Subsystems Pace High Performance Logic" (Computer Design Nov. 1, 1987) Jacob Shuhani & Don Draper Nov. 1987 H20, pp. 95-100. |
Microprocessor and Peripheral Handbook vol. 1 Microprocessor Intel 1987 p. 53.1, 3-24 BIS 3-25, Fig. 21. |