JPS58101343A - 乗算方式 - Google Patents
乗算方式Info
- Publication number
- JPS58101343A JPS58101343A JP56199554A JP19955481A JPS58101343A JP S58101343 A JPS58101343 A JP S58101343A JP 56199554 A JP56199554 A JP 56199554A JP 19955481 A JP19955481 A JP 19955481A JP S58101343 A JPS58101343 A JP S58101343A
- Authority
- JP
- Japan
- Prior art keywords
- carry
- register
- bit
- sum
- adder
- 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 OR CALCULATING; 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
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
- G06F7/5324—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel partitioned, i.e. using repetitively a smaller parallel parallel multiplier or using an array of such smaller multipliers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Complex Calculations (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56199554A JPS58101343A (ja) | 1981-12-11 | 1981-12-11 | 乗算方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56199554A JPS58101343A (ja) | 1981-12-11 | 1981-12-11 | 乗算方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58101343A true JPS58101343A (ja) | 1983-06-16 |
| JPS6250853B2 JPS6250853B2 (cg-RX-API-DMAC7.html) | 1987-10-27 |
Family
ID=16409752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56199554A Granted JPS58101343A (ja) | 1981-12-11 | 1981-12-11 | 乗算方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101343A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811269A (en) * | 1985-10-09 | 1989-03-07 | Hitachi, Ltd. | Bit slice multiplication circuit |
| US5136537A (en) * | 1991-11-19 | 1992-08-04 | Advanced Micro Devices, Inc. | Method and apparatus for determining the product of two numbers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638590U (cg-RX-API-DMAC7.html) * | 1979-08-31 | 1981-04-11 |
-
1981
- 1981-12-11 JP JP56199554A patent/JPS58101343A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5638590U (cg-RX-API-DMAC7.html) * | 1979-08-31 | 1981-04-11 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811269A (en) * | 1985-10-09 | 1989-03-07 | Hitachi, Ltd. | Bit slice multiplication circuit |
| US5136537A (en) * | 1991-11-19 | 1992-08-04 | Advanced Micro Devices, Inc. | Method and apparatus for determining the product of two numbers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6250853B2 (cg-RX-API-DMAC7.html) | 1987-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6115729A (en) | Floating point multiply-accumulate unit | |
| US5790446A (en) | Floating point multiplier with reduced critical paths using delay matching techniques | |
| US4866652A (en) | Floating point unit using combined multiply and ALU functions | |
| US3993891A (en) | High speed parallel digital adder employing conditional and look-ahead approaches | |
| US4156922A (en) | Digital system for computation of the values of composite arithmetic expressions | |
| KR840006089A (ko) | 조합 프로세서 | |
| US5253195A (en) | High speed multiplier | |
| JPS6053329B2 (ja) | 加算装置 | |
| EP0271255A2 (en) | High-speed binary and decimal arithmetic logic unit | |
| JPS62194577A (ja) | 複素乗算器及び複素乗算方法 | |
| US4692888A (en) | Method and apparatus for generating and summing the products of pairs of numbers | |
| JPS6125245A (ja) | 丸め処理回路 | |
| US5661673A (en) | Power efficient booth multiplier using clock gating | |
| US4740906A (en) | Digital lattice filter with multiplexed fast adder/full adder for performing sequential multiplication and addition operations | |
| JPS60140429A (ja) | 10進乗算装置 | |
| US4677583A (en) | Apparatus for decimal multiplication | |
| US4319335A (en) | Arithmetic logic unit controller | |
| JPS58101343A (ja) | 乗算方式 | |
| JPH07107664B2 (ja) | 乗算回路 | |
| US3840727A (en) | Binary multiplication by addition with non-verlapping multiplier recording | |
| US5724280A (en) | Accelerated booth multiplier using interleaved operand loading | |
| JP3227538B2 (ja) | 2進整数乗算器 | |
| JPH0820942B2 (ja) | 高速乗算器 | |
| JPH02210576A (ja) | 集積回路アキュムレータ | |
| US4679165A (en) | Multiplication unit and method for the operation thereof |