Donor challenge: Your generous donation will be matched 2-to-1 right now. Your $5 becomes $15! Dear Internet Archive Supporter,. I ask only. 74LS78 datasheet, cross reference, circuit and application notes in pdf format. 74LS73, 74LS73 Datasheet, 74LS73 pdf, buy 74LS73, 74LS73 Dual JK Flip-Flop .

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Conversely, the series has “borrowed” from the series – such as the CD and CD being pin-for-pin functional replacements for 74C and 74C The following is a daasheet of series digital logic integrated circuits. For more details, refer primarily to the Texas Instruments documentation mentioned in the References section.

Some of the manufacturers that make these smaller IC chips are: All chips in this section have one gate, noted by the “1G” in the part numbers. The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades. 74ls87

Digital electronics Electronic design Electronics lists Integrated circuits. Views Read Edit View history. The “x” in the part number is a place holder for the logic family name. 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. In other projects Wikimedia Commons. Parts in this section have a pin count of 14 pins or more.

IC manufacturers continue to make a core subset of this group, but many of these part numbers are considered obsolete and no longer manufactured. Vatasheet 12 inputs, 32 terms, 6 outputs, 4 state registers. 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. This page was last edited on 27 Novemberat 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.


A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature dataseet All chips in this section have two gates, noted by the “2G” in the part numbers. These parts are prefixed with 54 instead of 74 in the part number.

The original series integrated circuits were made by Texas Instruments with the prefix “SN” to create the name SN74xx. Articles lacking in-text citations from June All articles lacking in-text citations. In a few instances, such as the andthe same suffix in different families do not have completely equivalent logic functions.

PLA datasehet inputs, 32 terms, 6 outputs. Not all functions are available in all families.

Some TTL logic parts were made with dataxheet extended military-specification temperature range. Archived PDF from the original on July 9, PLA 12 inputs, 50 terms, 6 outputs. However, different manufacturers will use different prefixes or no prefix at all.

Please help to improve this article by introducing more precise citations. June Learn how and when to remove this template message. Surface mount parts with a single gate often in a 5-pin datasheet 6-pin package are prefixed with G instead of By using this site, you agree to the Terms of Use and Privacy Policy.


From Wikipedia, the free encyclopedia. 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.

A few alphabetic characters to designate a specific logic subfamily may immediately follow the 74 or 54 in datahseet part number, e. Some manufacturers datashfet 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.

74LS76P, 74LS78, 74LS795

See List of series integrated circuits. Older discontinued parts may be available from a limited number of sellers as new old stock NOSthough some are much harder to find.

AND-gated positive edge triggered J-K datasheeyasynchronous preset and clear. Retrieved from ” https: List of books about series integrated circuits.

74LS78 Cross Reference,74LS78 Datasheet,74LS78 PDF –

All chips in this section have three gates, noted by the “3G” in the part numbers. All chips in 7l4s78 following sections are available 4 to 12 pin surface mount packages.

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 July 27, This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.