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Datasheet Page , pdf datasheet & application note
The following is a list of series digital logic integrated circuits. A few alphabetic characters to designate a specific logic subfamily may immediately follow the 74 or 54 in the part number, e.
This page was last edited on 27 Novemberat Parts in this section have a pin count of 14 pins or more. All chips in the following sections are available 4 to 12 pin surface mount packages. All chips in this section have three gates, noted by the “3G” in the part numbers. The original series integrated datsaheet were made by Texas Instruments with the prefix “SN” to create the name SN74xx.
Older discontinued parts may be available from a limited number of sellers as new old stock NOSdataeheet some are much harder to find. 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.
Articles lacking in-text citations from June All articles lacking in-text citations. Retrieved July 27, PLA 12 inputs, 32 terms, 6 outputs, 4 state registers.
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, higher frequency capabilities, lower “on” resistances in analog switches, etc.
In a few instances, such as the andthe same suffix in different families do not have completely equivalent logic functions. The “x” in the part number is a place holder for the logic family name.
74LS78 Cross Reference
Another extension to the series is the xxx variant, representing mostly the bit wide counterpart of otherwise 8-bit-wide “base” chips with the same three ending digits. IC manufacturers continue to make a core subset of this group, but many of these part numbers adtasheet considered obsolete and no longer manufactured. Surface mount parts with a single gate often in a 5-pin or 6-pin package are prefixed with G instead of Due to the popularity of these parts, other manufacturers have released pin-to-pin compatible devices which kept the sequence number as an aid to identification of compatible parts.
However, different manufacturers will use different prefixes or no prefix at all.
List of 7400-series integrated circuits
Some TTL logic parts were made with an extended military-specification temperature range. Not all functions are available in all families.
Archived PDF from the original on July 9, As board designs have migrated away from large amounts of logic chips, so has the need for many of the same gate in one package. Retrieved from ” https: Some of the manufacturers that make these smaller IC chips are: PLA 12 inputs, 50 terms, 6 74lx78.
A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by June Learn how and when to remove this template message.
The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades. Conversely, the series has “borrowed” from the series – such as the CD and CD being pin-for-pin functional replacements for 74C and 74C These parts are prefixed with 54 instead of 74 in the part number.
This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. For more details, refer primarily to the Texas Instruments documentation mentioned in the References section. List of books about series integrated circuits.
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In other projects Wikimedia Commons. All chips in this section have one gate, noted by the “1G” in the part numbers. 774ls78 chips in this section have two gates, noted by the “2G” in the part numbers. From Wikipedia, the free encyclopedia.