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Parts in this section have a pin count of 14 pins or more. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.

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. Digital electronics Electronic design Electronics lists Integrated circuits.

PLA 12 inputs, 32 terms, 6 outputs, 4 state registers. Retrieved July 27, From Wikipedia, the free encyclopedia. A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by Views Read Edit View history.

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List of books about series integrated circuits. PLA 12 inputs, 50 terms, 6 outputs. AND-gated datxsheet edge triggered J-K flip-flopasynchronous preset and clear. Some TTL logic parts were made with an extended military-specification temperature range. PLA 12 inputs, 32 terms, 6 outputs. In a few instances, such as the andthe same suffix in different families do not have completely equivalent logic functions.


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All chips in this section have three gates, noted by the “3G” in the part numbers. The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades.

All chips in this section have one gate, noted by the “1G” in the part numbers. In other projects Wikimedia Commons. Surface mount parts with a single gate often in a 5-pin or 6-pin package datashset prefixed with G instead of For more details, refer primarily to the Texas Instruments documentation mentioned in the References section. All chips in this section datasehet two gates, noted by the “2G” in the part numbers. Some of the manufacturers that make these smaller IC chips are: 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.

All chips in the following sections are datashert 4 to 12 pin surface mount packages.

Some manufacturers released some datssheet 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.

June Learn how and when to remove this template message. Due to the popularity of these parts, other manufacturers have released pin-to-pin compatible devices which kept the sequence number 7ls78 an aid to identification of compatible parts. Older discontinued parts may be available from a limited number of sellers as new old stock NOSthough some are much harder to dataeheet.


Please help to improve this article by introducing more precise citations. The following is a list of series digital logic integrated circuits.

List of 7400-series integrated circuits

Articles lacking in-text citations from June All articles lacking in-text citations. The “x” in the part number is a place holder for the logic family name. See List of series integrated circuits. IC manufacturers continue to make a core subset of this group, but many of these part numbers are considered obsolete and no longer manufactured.

74LS78 Cross Reference

Dataasheet using this site, you agree to the Terms of Use and Privacy Policy. 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. Not all functions are available in all families. 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.

Another extension to the series is the xxx variant, representing mostly the bit wide datasheer of otherwise 8-bit-wide “base” chips with the same three ending digits. Retrieved from ” https: