JPS5557948A - Digital adder - Google Patents
Digital adderInfo
- Publication number
- JPS5557948A JPS5557948A JP13056578A JP13056578A JPS5557948A JP S5557948 A JPS5557948 A JP S5557948A JP 13056578 A JP13056578 A JP 13056578A JP 13056578 A JP13056578 A JP 13056578A JP S5557948 A JPS5557948 A JP S5557948A
- Authority
- JP
- Japan
- Prior art keywords
- adder
- data
- bits
- order
- low
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/50—Adding; Subtracting
- G06F7/504—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Complex Calculations (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13056578A JPS5557948A (en) | 1978-10-25 | 1978-10-25 | Digital adder |
US06/084,457 US4285047A (en) | 1978-10-25 | 1979-10-12 | Digital adder circuit with a plurality of 1-bit adders and improved carry means |
CA338,276A CA1115421A (en) | 1978-10-25 | 1979-10-24 | Digital adder |
DE2943148A DE2943148C2 (de) | 1978-10-25 | 1979-10-25 | Digitaladdierer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13056578A JPS5557948A (en) | 1978-10-25 | 1978-10-25 | Digital adder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5557948A true JPS5557948A (en) | 1980-04-30 |
JPS5760660B2 JPS5760660B2 (ja) | 1982-12-21 |
Family
ID=15037285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13056578A Granted JPS5557948A (en) | 1978-10-25 | 1978-10-25 | Digital adder |
Country Status (4)
Country | Link |
---|---|
US (1) | US4285047A (ja) |
JP (1) | JPS5557948A (ja) |
CA (1) | CA1115421A (ja) |
DE (1) | DE2943148C2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3572232D1 (en) * | 1985-05-07 | 1989-09-14 | Itt Ind Gmbh Deutsche | Monolithic digital integrated circuit |
US4774686A (en) * | 1986-03-21 | 1988-09-27 | Rca Licensing Corporation | Serial digital signal processing circuitry |
DE59010847D1 (de) * | 1990-12-11 | 1998-09-24 | Siemens Ag | Schaltungsanordnung zur digitalen Bit-seriellen Signalverarbeitung |
US5790891A (en) * | 1996-01-11 | 1998-08-04 | Galileo Technology Ltd. | Synchronizing unit having two registers serially connected to one clocked elements and a latch unit for alternately activating the registers in accordance to clock signals |
US5754455A (en) * | 1996-04-10 | 1998-05-19 | Motorola, Inc. | Method and apparatus for setting a bit-serial filter to an all-zero state |
US5771182A (en) * | 1996-05-31 | 1998-06-23 | Motorola, Inc. | Bit-serial digital compressor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE552274A (ja) * | 1955-11-04 | |||
US3291973A (en) * | 1964-09-22 | 1966-12-13 | Sperry Rand Corp | Binary serial adders utilizing nor gates |
US3454751A (en) * | 1966-01-20 | 1969-07-08 | Westinghouse Electric Corp | Binary adder circuit using denial logic |
FR2212952A5 (ja) * | 1972-12-29 | 1974-07-26 | Cit Alcatel |
-
1978
- 1978-10-25 JP JP13056578A patent/JPS5557948A/ja active Granted
-
1979
- 1979-10-12 US US06/084,457 patent/US4285047A/en not_active Expired - Lifetime
- 1979-10-24 CA CA338,276A patent/CA1115421A/en not_active Expired
- 1979-10-25 DE DE2943148A patent/DE2943148C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2943148A1 (de) | 1980-04-30 |
JPS5760660B2 (ja) | 1982-12-21 |
US4285047A (en) | 1981-08-18 |
DE2943148C2 (de) | 1984-08-09 |
CA1115421A (en) | 1981-12-29 |
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