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Some of the manufacturers that make these smaller IC chips are: For more details, refer primarily to the Texas Instruments documentation mentioned in the References section.
Surface mount parts with a single gate often in a 5-pin or 6-pin package are prefixed 74os78 G instead of All chips in this section have three gates, noted by the “3G” in the part numbers. Parts in this section have a pin count of 14 pins or more.
74LS78 Datasheet catalog
Views Read Edit View history. Digital electronics Electronic design Electronics lists Integrated circuits. Some manufacturers released some series equivalent CMOS circuits with a 74 prefix, for example the 74HC was a replacement for the with slightly different electrical characteristics different power supply voltage ratings, 74lw78 frequency capabilities, lower “on” resistances in analog switches, etc.
The “x” in the part number is a place holder for the logic family name. Now logic can be placed where it is physically needed on a board, instead of running long signal traces to a full-size logic chip that has many of the same gate. Retrieved from ” https: Some TTL logic parts were made with an extended military-specification temperature range.
Retrieved July 27, This page was last edited on 27 Novemberat As board designs have migrated away from large daatsheet of logic chips, so has the need for many of the same gate in one package.
PLA 12 inputs, 50 terms, 6 outputs. See List of series integrated circuits.
IC Datasheet: 74LS78 : Free Download, Borrow, and Streaming : Internet Archive
The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades. List of books about series integrated circuits. Due to the popularity of these parts, other manufacturers 74,s78 released pin-to-pin compatible devices which kept the sequence number as an aid to identification of compatible parts.
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All chips in the following sections are available 4 to 12 pin surface mount packages. In a few instances, such as dataasheet andthe same suffix in different families do not have completely equivalent logic functions.
These parts are prefixed with 54 instead of 74 in the part number. Conversely, the series has “borrowed” from the series – such as the CD and CD being pin-for-pin functional replacements for 74C and 74C Archived PDF from the original on July 9, PLA 12 inputs, 32 terms, 6 outputs.
The following is a list of series digital logic integrated circuits. However, different manufacturers will use different prefixes or no prefix at all. A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this datwsheet had been dropped from the TI literature by Some xxx parts, however, do not have a direct counterpart from the standard 74xxx range but deliver new functionality instead, which needs making use of the xxx series’ higher pin count.
Older discontinued parts may be available from a limited number of sellers as new old stock NOSthough some are much harder to find.
PLA 12 inputs, 32 terms, 6 outputs, 4 state registers. A few alphabetic characters to designate a specific logic subfamily may immediately follow the 74 or 54 in the part number, e.
Articles lacking in-text citations from June All articles lacking in-text citations.
74LS78 Cross Reference
In other projects Wikimedia Commons. All chips in this section have two gates, noted by the “2G” in the part numbers. The original series integrated circuits were made by Texas Instruments with the prefix “SN” to create the name SN74xx.
Not all functions are available in all families. All chips in this section have one gate, noted by the “1G” in the part numbers. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.
IC manufacturers continue to make a core subset dataaheet this group, but many of these part numbers are considered obsolete and no longer manufactured. From Wikipedia, the free encyclopedia. AND-gated positive edge triggered J-K flip-flopasynchronous preset and clear.