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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 All chips in this section have two gates, noted by the “2G” in the part numbers.
74LS78 datasheet & applicatoin notes – Datasheet Archive
Some TTL logic parts were made with an extended military-specification temperature range. All chips in the following sections are available 4 74ks78 12 pin surface mount packages. PLA 12 inputs, 50 terms, 6 outputs. Retrieved from ” https: AND-gated positive edge triggered J-K flip-flopasynchronous preset and clear. For more details, refer primarily to the Texas Instruments documentation mentioned in the References section. From Wikipedia, the ddatasheet encyclopedia. However, different manufacturers will use different prefixes or no prefix at all.
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.
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.
List of books about series integrated circuits. Views Read Edit View history. See Ratasheet of series integrated circuits. June Learn how and when to remove this template message. Some of the manufacturers that make these smaller IC chips are: This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.
The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades.
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.
Datasheeets & Application Notes
Please help to improve this article by introducing more precise citations. 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. Retrieved July 27, In a few instances, such dstasheet the andthe same suffix in different families do not have completely equivalent logic functions.
Parts in this section have a pin count of 14 pins or more. A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by In other projects Wikimedia Commons.
The original series integrated circuits were made by Texas Datasbeet with the prefix “SN” to create the name SN74xx. All chips in this section have three gates, noted by the “3G” in the part numbers. 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. Not all functions are available in all families.
PLA 12 inputs, 32 terms, 6 outputs. A few alphabetic characters to designate a specific logic subfamily may immediately follow the 74 or 54 in the part number, e. IC manufacturers continue to make a core subset of this group, but many of these part numbers are considered obsolete and no longer manufactured.
5 X SN74LS78 14pin DIP IC (74LS78 SN SN 74 LS 78)
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. Digital electronics Electronic design Electronics lists Integrated circuits. The following is a list of series digital logic integrated circuits. The “x” in the part number is a place holder for the logic family name.