Title:
COUNTER STANDALONE TYPE DIGITAL FREQUENCY DIVIDER CIRCUIT
Document Type and Number:
Japanese Patent JP2008172649
Kind Code:
A
Abstract:
To share a counter among a plurality of dividers with different division ratios and phases, and to reduce a logical amount and the power consumption of the whole divider circuit by making the division ratio and the phase of the divider independent of a counter period and phase.
The divider 2 having the division ratio and the phase independent of the period and the phase of the counter 1 is attained by predicting a counter value 101 after one division period by an adder 21 and the counter 1 is shared by the plurality of dividers having similar structures.
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JPS5534527 | DIVIDER CIRCUIT |
Inventors:
HAYAKAWA KOSEN
Application Number:
JP2007005301A
Publication Date:
July 24, 2008
Filing Date:
January 15, 2007
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H03K23/00; H03K21/00; H03K23/64
Attorney, Agent or Firm:
Manabu Inoue