GB2011669B - Programmable logic array adders - Google Patents

Programmable logic array adders

Info

Publication number: GB2011669B
Authority: GB; United Kingdom
Prior art keywords: programmable logic; logic array; array adders; adders; programmable
Prior art date: 1978-01-03
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

Application number

GB7845544A

Other versions

GB2011669A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

Priority date (The priority date 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 date listed.)

1978-01-03

Filing date

1978-11-22

Publication date

1982-01-13

1978-11-22 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1979-07-11 Publication of GB2011669A publication Critical patent/GB2011669A/en

1982-01-13 Application granted granted Critical

1982-01-13 Publication of GB2011669B publication Critical patent/GB2011669B/en

Status Expired legal-status Critical Current

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
- G06F7/50—Adding; Subtracting
- G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
- G06F7/5057—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination using table look-up; using programmable logic arrays

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)
Logic Circuits (AREA)
Error Detection And Correction (AREA)

GB7845544A 1978-01-03 1978-11-22 Programmable logic array adders Expired GB2011669B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US86668878A	1978-01-03	1978-01-03

Publications (2)

Publication Number	Publication Date
GB2011669A GB2011669A (en)	1979-07-11
GB2011669B true GB2011669B (en)	1982-01-13

Family

ID=25348172

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7845544A Expired GB2011669B (en)	1978-01-03	1978-11-22	Programmable logic array adders

Country Status (4)

Country	Link
JP (1)	JPS5495137A (en)
DE (1)	DE2855947A1 (en)
FR (1)	FR2413714A1 (en)
GB (1)	GB2011669B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4506341A (en) *	1982-06-10	1985-03-19	International Business Machines Corporation	Interlaced programmable logic array having shared elements
US4942548A (en) *	1987-06-25	1990-07-17	International Business Machines Corporation	Parallel adder having removed dependencies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1322657A (en) *	1971-09-10	1973-07-11	Ibm	Adders

1978
- 1978-11-22 GB GB7845544A patent/GB2011669B/en not_active Expired
- 1978-12-12 JP JP15276178A patent/JPS5495137A/en active Pending
- 1978-12-20 FR FR7836584A patent/FR2413714A1/en not_active Withdrawn
- 1978-12-23 DE DE19782855947 patent/DE2855947A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
JPS5495137A (en)	1979-07-27
GB2011669A (en)	1979-07-11
DE2855947A1 (en)	1979-07-05
FR2413714A1 (en)	1979-07-27

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Legal Events

Date	Code	Title	Description
1983-06-22	PCNP	Patent ceased through non-payment of renewal fee