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Retrieved July 27, IC manufacturers continue to make a core subset of this group, but many of these part numbers are considered obsolete and no longer manufactured. For more datashret, refer primarily to the Texas Instruments documentation mentioned in the References section.
74lz78 in this section have a pin count of 14 pins or more. The original series integrated circuits were made by Texas Instruments with the prefix “SN” to create the name SN74xx.
, Dual J-K Flip-Flop With Preset, Common Clock, And Common Clear, DIP, 74 LS, 74LS78
All chips in this section have three gates, noted by the “3G” in the part numbers. Some of the manufacturers that make these smaller IC chips are: All chips in the following sections are available 4 to 12 pin surface mount packages. Digital electronics Electronic design Electronics lists Integrated circuits. Articles lacking in-text citations from June All articles lacking in-text citations.
74LS78 datasheet & applicatoin notes – Datasheet Archive
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 by Views Read Edit View history.
A few alphabetic characters to designate a specific logic subfamily may immediately follow the 74 or 54 in the part number, e. Please help to improve this adtasheet by introducing more precise citations. In a few instances, such as the andthe same suffix in different families do datazheet have completely equivalent logic functions. The “x” in the part number is a place holder for the logic family name.
Some xxx parts, however, do not have a direct counterpart 74ls7 the standard 74xxx range but deliver new functionality instead, which needs making use of the xxx series’ higher pin count.
PLA 12 inputs, 32 terms, 6 outputs. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. Archived PDF from the original on July 9, June Learn how and when to remove this template message.
7478, Dual J-K Flip-Flop With Preset, Common Clock, And Common Clear, DIP, 74 LS, 74LS78
PLA 12 inputs, 32 terms, 6 outputs, 4 state registers. 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.
See List of series integrated circuits. AND-gated positive edge triggered J-K flip-flopasynchronous datasheef and clear. All chips in this section have two gates, noted by the “2G” in the part numbers. 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.
Not all functions are available in all families. List of books about series integrated circuits. Surface mount parts with a single gate often in a 5-pin or 6-pin package are prefixed with G instead of This page was last edited on 27 Novemberat The following is a list of series digital logic integrated circuits.
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.
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. These parts are prefixed with 54 instead of 74 in the part number. Conversely, the series has “borrowed” from the series – such as the CD and CD being pin-for-pin functional replacements for 74C and 74C