Title:
METHOD AND CIRCUIT FOR PRODUCING HIGH-SPEED COUNTS
Document Type and Number:
WIPO Patent Application WO1998039845
Kind Code:
A3
Abstract:
A counter circuit includes a series of registers driven by two phase shifted clocks. A clock generator in the counter circuit generates four asymmetrical clock signals to drive each of the registers. The registers are formed from input and output stages, each having two sets of switches. The first set of switches in each stage provides a supply voltage to a stage output in response to the asymmetrical clocks. The second set of switches supply ground to the stage output in response to the asymmetrical clocks. To accelerate response of the switching circuits, isolation switches decouple the first set of switches in each pair from the stage output during switching of the second set of switches, thereby removing loading of stage output by the second set of switches.
Inventors:
MANNING TROY A
Application Number:
PCT/US1998/004281
Publication Date:
September 14, 2000
Filing Date:
March 05, 1998
Export Citation:
Assignee:
MICRON TECHNOLOGY INC (US)
International Classes:
H03K23/00; H03K21/00; H03K23/44; H03K23/54; (IPC1-7): H03K23/44
Foreign References:
| US4611337A | 1986-09-09 | |||
| EP0692872A2 | 1996-01-17 | |||
| US5170074A | 1992-12-08 |
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