FR2448256B1 - - Google Patents
Info
- Publication number
- FR2448256B1 FR2448256B1 FR8001645A FR8001645A FR2448256B1 FR 2448256 B1 FR2448256 B1 FR 2448256B1 FR 8001645 A FR8001645 A FR 8001645A FR 8001645 A FR8001645 A FR 8001645A FR 2448256 B1 FR2448256 B1 FR 2448256B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
- H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7903449A GB2041591B (en) | 1979-01-31 | 1979-01-31 | Frequency divider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448256A1 FR2448256A1 (fr) | 1980-08-29 |
| FR2448256B1 true FR2448256B1 (en18) | 1982-03-05 |
Family
ID=10502864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8001645A Granted FR2448256A1 (fr) | 1979-01-31 | 1980-01-25 | Dispositif de division de serie d'impulsions a grande vitese et a large gamme de rapports de division |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4315166A (en18) |
| JP (1) | JPS55104137A (en18) |
| DE (1) | DE3001388C2 (en18) |
| FR (1) | FR2448256A1 (en18) |
| GB (1) | GB2041591B (en18) |
| SE (1) | SE445284B (en18) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634594A1 (de) * | 1986-10-10 | 1988-04-14 | Philips Patentverwaltung | Schaltungsanordnung zur erzeugung rationalzahliger frequenzverhaeltnisse |
| US5297273A (en) * | 1990-08-30 | 1994-03-22 | Westinghouse Electric Corp. | System for optically splitting high-speed digital signals using cascading tree-type configuration wherein the number of successive level of cascading increase by a factor of two |
| US5859890A (en) * | 1997-02-26 | 1999-01-12 | Motorola, Inc. | Dual modulus prescaler |
| US6389095B1 (en) | 2000-10-27 | 2002-05-14 | Qualcomm, Incorporated | Divide-by-three circuit |
| EP1241788A1 (en) * | 2001-03-13 | 2002-09-18 | STMicroelectronics Limited | Digital frequency divider |
| US6950958B2 (en) * | 2001-10-15 | 2005-09-27 | Intel Corporation | Method and apparatus for dividing a high-frequency clock signal and further dividing the divided high-frequency clock signal in accordance with a data input |
| US6988217B1 (en) | 2002-02-27 | 2006-01-17 | Advanced Micro Devices, Inc. | Method and mechanism for generating a clock signal with a relatively linear increase or decrease in clock frequency |
| US7395286B1 (en) * | 2004-01-05 | 2008-07-01 | National Semiconductor Corporation | Method for generating non-overlapping N-phases of divide-by-N clocks with precise 1/N duty ratio using a shift register |
| GB2437990B (en) | 2006-01-24 | 2008-06-25 | Toumaz Technology Ltd | Frequency divider circuits |
| US8504854B2 (en) | 2010-06-21 | 2013-08-06 | Advanced Micro Devices, Inc. | Managing multiple operating points for stable virtual frequencies |
| US9261949B2 (en) | 2010-10-29 | 2016-02-16 | Advanced Micro Devices, Inc. | Method for adaptive performance optimization of the soc |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3460129A (en) * | 1964-03-09 | 1969-08-05 | Ericsson Telefon Ab L M | Frequency divider |
| SE314012B (en18) * | 1964-07-07 | 1969-08-25 | T G Hesselgren | |
| US3375449A (en) * | 1965-05-12 | 1968-03-26 | Int Standard Electric Corp | Frequency divider with variable digital ratio |
| JPS5040656B2 (en18) * | 1971-11-12 | 1975-12-25 | ||
| GB1478200A (en) * | 1974-09-16 | 1977-06-29 | Nat Res Dev | Threshold logic gates |
| NL7415575A (nl) * | 1974-11-29 | 1976-06-01 | Philips Nv | Schakeling voor frequentiedeling van hoog- frequent impulsen. |
| US3970867A (en) * | 1975-02-18 | 1976-07-20 | Texas Instruments Incorporated | Synchronous counter/divider using only four NAND or NOR gates per bit |
| US4234849A (en) * | 1976-07-26 | 1980-11-18 | Hewlett-Packard Company | Programmable frequency divider and method |
-
1979
- 1979-01-31 GB GB7903449A patent/GB2041591B/en not_active Expired
-
1980
- 1980-01-16 DE DE3001388A patent/DE3001388C2/de not_active Expired
- 1980-01-21 US US06/113,843 patent/US4315166A/en not_active Expired - Lifetime
- 1980-01-25 FR FR8001645A patent/FR2448256A1/fr active Granted
- 1980-01-28 SE SE8000628A patent/SE445284B/sv not_active IP Right Cessation
- 1980-01-30 JP JP888680A patent/JPS55104137A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3001388A1 (de) | 1980-08-07 |
| FR2448256A1 (fr) | 1980-08-29 |
| GB2041591A (en) | 1980-09-10 |
| US4315166A (en) | 1982-02-09 |
| SE8000628L (sv) | 1980-08-01 |
| JPS55104137A (en) | 1980-08-09 |
| JPH038128B2 (en18) | 1991-02-05 |
| DE3001388C2 (de) | 1987-05-14 |
| GB2041591B (en) | 1983-05-05 |
| SE445284B (sv) | 1986-06-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |