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A decade counter may have each (that is, it may count in binary-coded decimal, as the 7490 integrated circuit did) or other binary encodings. A decade counter is a binary counter designed to count to 1001 (decimal 9). An ordinary four-stage counter can be easily modified to a decade counter by adding a NAND gate as in the schematic to the right.
synchronous presettable up/down 4-bit decade counter, clear 16 SN74LS192: 74x193 1 synchronous presettable up/down 4-bit binary counter, clear 16 SN74LS193: 74x194 1 4-bit bidirectional universal shift register 16 SN74194: 74x195 1 4-bit parallel-access shift register 16 SN74195: 74x196 1 presettable 4-bit decade counter/latch 14 SN74196: 74x197 1
40110 – Up/down decade counter with 7-segment display decoder with 25 mA output drivers. 40192 – Up/down decade counter with 4-bit BCD preset. 40193 – Up/down binary counter with 4-bit binary preset. Decoders. 4028 – 4-bit BCD to 10-output decoder (can be used as 3-bit binary to 8-output decoder)
The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...
A synchronous 4-bit up/down decade counter symbol (74LS192) in accordance with ANSI/IEEE Std. 91-1984 and IEC Publication 60617-12. There are two sets of symbols for elementary logic gates in common use, both defined in ANSI/IEEE Std 91-1984 and its supplement ANSI/IEEE Std 91a-1991.
While 4-bit computing is mostly obsolete, 4-bit values are still used in the same decimal-centric roles they were developed for, and modern implementations are generally much wider and process multiple 4-bit values in parallel. An example of such a system is the HP Saturn design of the 1980s. By the 1990s, most such uses had been replaced by ...
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Today, surface-mounted CMOS versions of the 7400 series are used in various applications in electronics and for glue logic in computers and industrial electronics. The original through-hole devices in dual in-line packages (DIP/DIL) were the mainstay of the industry for many decades.