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In the design of any ALU, shift registers are generally used to perform addition (for carry movement), multiplication and for any floating point arithmetic. The shift registers currently used are made up of flip-flops which require n clock pulses for n shifts which can increase the delay. So, the aim is to design a high speed shift register i.e., barrel shifter which needs a single clock pulse for n shifts. In this paper, three types of Barrel shifter circuits called left rotator, right rotator and bidirectional rotators are designed in Cadence Virtuoso tool for 180nm and 45nm technology using universal gates (conventional model) and transmission gates. Compared to conventional design, the circuits of barrel shifters with transmission gates in 45nm technology require less power and reduced transistor count.The designed barrel shifter circuits are showing improved performance than conventional models already presented in the literature.
", "languages": [ { "id": "eng", "title": { "en": "English" } } ], "publication_date": "2020-04-30", "publisher": "Zenodo", "related_identifiers": [ { "identifier": "2249-8958", "relation_type": { "id": "iscitedby", "title": { "de": "Wird zitiert von", "en": "Is cited by" } }, "resource_type": { "id": "publication-article", "title": { "de": "Zeitschriftenartikel", "en": "Journal article" } }, "scheme": "issn" } ], "resource_type": { "id": "publication-article", "title": { "de": "Zeitschriftenartikel", "en": "Journal article" } }, "rights": [ { "description": { "en": "The Creative Commons Attribution license allows re-distribution and re-use of a licensed work on the condition that the creator is appropriately credited." }, "icon": "cc-by-icon", "id": "cc-by-4.0", "props": { "scheme": "spdx", "url": "https://creativecommons.org/licenses/by/4.0/legalcode" }, "title": { "en": "Creative Commons Attribution 4.0 International" } } ], "subjects": [ { "subject": "Transmission gates, Multiplexer (MUX), Barrel Shifter, Logical left shifter, logical right shifter." } ], "title": "Design and Analysis of an Energy Efficient 4-bit Barrel Shifter Circuits in 45nm Technology" }, "parent": { "access": { "owned_by": { "user": 251627 } }, "communities": {}, "id": "5556304", "pids": {} }, "pids": { "doi": { "identifier": "10.35940/ijeat.D7596.049420", "provider": "external" }, "oai": { "identifier": "oai:zenodo.org:5556305", "provider": "oai" } }, "revision_id": 3, "stats": { "all_versions": { "data_volume": 74818108.0, "downloads": 62, "unique_downloads": 61, "unique_views": 118, "views": 121 }, "this_version": { "data_volume": 74818108.0, "downloads": 62, "unique_downloads": 61, "unique_views": 118, "views": 121 } }, "status": "published", "updated": "2021-11-09T06:31:42.181389+00:00", "versions": { "index": 1, "is_latest": true } }