JPS618972B2 - - Google Patents
Info
- Publication number
- JPS618972B2 JPS618972B2 JP52158680A JP15868077A JPS618972B2 JP S618972 B2 JPS618972 B2 JP S618972B2 JP 52158680 A JP52158680 A JP 52158680A JP 15868077 A JP15868077 A JP 15868077A JP S618972 B2 JPS618972 B2 JP S618972B2
- Authority
- JP
- Japan
- 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
-
- 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
- G06F7/57—Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 – G06F7/556 or for performing logical operations
- G06F7/575—Basic arithmetic logic units, i.e. devices selectable to perform either addition, subtraction or one of several logical operations, using, at least partially, the same circuitry
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
- G06F2207/48—Indexing scheme relating to groups G06F7/48 - G06F7/575
- G06F2207/4802—Special implementations
- G06F2207/4806—Cascode or current mode logic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Quality & Reliability (AREA)
- Detection And Correction Of Errors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/756,457 US4084253A (en) | 1977-01-03 | 1977-01-03 | Current mode arithmetic logic circuit with parity prediction and checking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5389334A JPS5389334A (en) | 1978-08-05 |
| JPS618972B2 true JPS618972B2 (US07923587-20110412-C00022.png) | 1986-03-19 |
Family
ID=25043573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15868077A Granted JPS5389334A (en) | 1977-01-03 | 1977-12-29 | Parity forecasting and inspecting current mode arithmetic logic circuit |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4084253A (US07923587-20110412-C00022.png) |
| JP (1) | JPS5389334A (US07923587-20110412-C00022.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0224468U (US07923587-20110412-C00022.png) * | 1988-07-30 | 1990-02-19 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4163211A (en) * | 1978-04-17 | 1979-07-31 | Fujitsu Limited | Tree-type combinatorial logic circuit |
| DE3338742C2 (de) * | 1983-10-25 | 1985-09-05 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Prüfbiterzeugung |
| JP2621480B2 (ja) * | 1989-06-06 | 1997-06-18 | 日本電気株式会社 | 加算回路検査装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2056229A5 (US07923587-20110412-C00022.png) * | 1969-07-31 | 1971-05-14 | Ibm | |
| US3758760A (en) * | 1972-04-07 | 1973-09-11 | Honeywell Inf Systems | Error detection for arithmetic and logical unit modules |
| US3925647A (en) * | 1974-09-30 | 1975-12-09 | Honeywell Inf Systems | Parity predicting and checking logic for carry look-ahead binary adder |
| US3986015A (en) * | 1975-06-23 | 1976-10-12 | International Business Machines Corporation | Arithmetic unit for use in a digital data processor and having an improved system for parity check bit generation and error detection |
-
1977
- 1977-01-03 US US05/756,457 patent/US4084253A/en not_active Expired - Lifetime
- 1977-12-29 JP JP15868077A patent/JPS5389334A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0224468U (US07923587-20110412-C00022.png) * | 1988-07-30 | 1990-02-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4084253A (en) | 1978-04-11 |
| JPS5389334A (en) | 1978-08-05 |
