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In a few instances, such as the andthe same suffix in different families do not xatasheet completely equivalent logic functions. See List of series integrated circuits. Conversely, the series has “borrowed” from the series – such as the CD and CD being pin-for-pin functional replacements for 74C and 74C AND-gated positive edge triggered J-K flip-flopasynchronous preset and clear.
The following is a list of series digital logic integrated circuits. Another 74lz78 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 datwsheet.
All chips in the datasheett sections are available 4 to 12 pin surface mount packages. Retrieved July 27, PLA 12 inputs, 50 terms, 6 outputs. PLA 12 inputs, 32 terms, 6 outputs. Please help to improve this article by introducing more precise citations. Due to the popularity of these parts, other manufacturers have released datashest compatible devices which kept the sequence number as an aid to identification of compatible parts.
Archived PDF from the original on July 9, A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by All chips in this section have two gates, noted by the “2G” in the part numbers.
This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.
The original series 74s78 circuits 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 NOSthough some are much harder to find.
74LS78 Cross Reference
Surface mount 74ls788 with a single gate often in a 5-pin or 6-pin package are prefixed with G instead of PLA 12 inputs, 32 terms, 6 outputs, 4 state registers.
All chips in this section have one gate, noted by the “1G” in the part numbers. From Wikipedia, the free encyclopedia. List of books about series integrated circuits.
Parts in this section have a pin count of 14 pins or more. In other projects Wikimedia Commons. Some manufacturers datsheet some series equivalent CMOS circuits with a 74 prefix, for example the 74HC was a replacement for the with slightly different dataheet characteristics different power supply voltage ratings, higher frequency capabilities, lower “on” resistances in analog switches, etc.
These parts are prefixed with 54 instead of 74 in the part number. 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. Digital electronics Electronic design Electronics lists Integrated circuits.
74LS78 Datasheet, PDF – Alldatasheet
For more details, refer primarily to the Texas Instruments documentation mentioned in the References section. All chips in this section have three gates, noted by the “3G” in the part numbers.
However, different manufacturers will use different prefixes or no prefix at all. Some of the manufacturers that make these smaller IC chips are: 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.
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.