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File:TexasInstruments 7400 chip, view and element placement.jpg

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TexasInstruments_7400_chip,_view_and_element_placement.jpg ‎(434 × 536 pixels, file size: 85 KB, MIME type: image/jpeg)

Captions

Captions

Schematic and exterior photograph of TI 7400 integrated circuit containing four NAND logical elements

Summary edit

Description
English: The view and element placement of the popular chip 7400. The chip contains four logical elements AND-NOT (NAND). The two additional contacts supply power (+5 V) and connect the ground. This chip was made in the 45th week of 1976.
Source

Used GFDL images from Commons

Composed by Audrius Meskauskas.
Author Audrius Meskauskas

Licensing edit

Notes edit

The former Soviet Union manufactured the analog K155ЛA3, where even contacts were placed identically (the voltage supply was also + 5 V, so at least in some cases the chips were replaceable). It was a very popular chip, widely used by amateurs.

Literature

Used GFDL images from Commons

Composed by Audrius Meskauskas.


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Date/TimeThumbnailDimensionsUserComment
current04:36, 27 August 2013Thumbnail for version as of 04:36, 27 August 2013434 × 536 (85 KB)Dicklyon (talk | contribs)Enhanced a bit.
09:39, 23 January 2006Thumbnail for version as of 09:39, 23 January 2006434 × 536 (29 KB)Audriusa (talk | contribs)The view and element placement of the popular chip 7400. The chip contains four logical elements AND-NOT (NAND). The two additional contacts supply power (+5 V) and connect the ground. Literature *http://opencircuitdesign.com/xcircuit/tutorial/tutorial2.

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