CD40193 DATASHEET PDF

February General Description. These up down counters are monolithic complementary. CDBC are binary counters. Counting up and counting down is performed by two count.

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The following is a list of series digital logic integrated circuits. The original series integrated circuits were made by Texas Instruments with the prefix "SN" to create the name SN74xx. Due to the popularity of these parts, other manufacturers released pin-to-pin compatible logic devices which kept the sequence number as an aid to identification of compatible parts. However, different manufacturers use different prefixes or no prefix at all. Some TTL logic parts were made with an extended military-specification temperature range.

These parts are prefixed with 54 instead of 74 in the part number. A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature range; this prefix had been dropped from the TI literature by Surface mount parts with a single gate often in a 5-pin or 6-pin package are prefixed with G instead of Some manufacturers released some series equivalent CMOS circuits with a 74 prefix, for example the 74HC [2] 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.

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

Not all functions are available in all families. The generic descriptive feature of these alphabetic characters was diluted by various companies participating in the market at its peak, and are not always consistent especially with more recent offerings.

In a few instances, such as the and , the same suffix in different families do not have completely equivalent logic functions. 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. Thus e. 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.

For more details, refer primarily to the Texas Instruments documentation mentioned in the References section. Parts in this section have a pin count of 14 pins or more. The lower part numbers were established in the s and s, then higher part numbers were added incrementally over decades. IC manufacturers continue to make a core subset of this group, but many of these part numbers are considered obsolete and no longer manufactured.

Older discontinued parts may be available from a limited number of sellers as new old stock NOS , though some are much harder to find. 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.

All chips in the following sections are available 4 to 12 pin surface mount packages. The "x" in the part number is a place holder for the logic family name. All chips in this section have one gate, noted by the "1G" in the part numbers.

All chips in this section have two gates, noted by the "2G" in the part numbers. All chips in this section have three gates, noted by the "3G" in the part numbers. From Wikipedia, the free encyclopedia.

Wikipedia list article. Texas Instruments. Retrieved National Semiconductor. Integrated Device Technology. Fairchild Semiconductor. Archived from the original on ON Semiconductor. June Archived PDF from the original on See also: List of books about series integrated circuits. Categories : Digital electronics Electronic design Electronics lists Integrated circuits. Hidden categories: Articles with short description Use dmy dates from January Namespaces Article Talk. Views Read Edit View history.

In other projects Wikimedia Commons. By using this site, you agree to the Terms of Use and Privacy Policy. AND-gated positive edge triggered J-K flip-flop , asynchronous preset and clear. PLA 12 inputs, 50 terms, 6 outputs. PLA 12 inputs, 32 terms, 6 outputs, 4 state registers. PLA 12 inputs, 32 terms, 6 outputs. ADC for 3. Pentium clock synthesizer.

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