Each of these monolithic counters contains four masterslave flipflops and additional gating to provide a dividebytwo counter and a threestage binary counter for which the count cycle length is dividebyfive for the 90a and ls90, dividebysix for the 92a and ls92, and the divideby eight for the 93a and ls93. If preset to state 10, 1 1, within two clock pulses. Each of these monolithic counters contains four master slave flipflops and additional gating to provide a divideby two counter and a threestage binary. The ls160a and ls162a can be preset to any state, but will not count beyond 9. Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
The sn54 74ls90, sn54 74ls92 and sn54 74ls93 are highspeed 4bit ripple type counters partitioned into two sections. Oct 25, 2015 7493 datasheet pdf decade and binary counter ti, 7493 datasheet, 7493 pdf, 7493 pinout, equivalent, data, 7493 circuit, output, schematic, parts. Dm5490dm7490a, dm7493a decade and binary counters july 1992 dm5490dm7490a, dm7493a decade and binary counters general description each of these monolithic counters contains four masterslave flipflops and additional gating to provide a dividebytwo counter and a threestage binary counter for which the. Simultaneous division of 2, 4, 8, and 16 are performed at the q 0, q1, q2, and q 3 outputs as shown in the truth table. Apr 26, 2019 74ls93 datasheetpdf motorola, inc now logic can be placed where it is physically needed on a board, instead of running long signal datasehet to a fullsize logic chip that original design. The j and k inputs shown without connection are for reference only arid are functionally at a high ievel. The 74ls90 counting sequence is triggered on the negative going edge of the clock signal, that is when the clock signal clk goes from logic 1 high to logic 0 low.
Synchronous operation is provided by hav ing all flipflops clocked simultaneously. The 74ls93 is a up counter built using four jk flipflops. The counters four outputs are designated by the letter symbol q with a numeric subscript equal to the binary weight of the corresponding bit in the bcd counter circuits code. Decade counter dividebytwelve counter 4bit binary counter, 74ls93 pdf download motorola freescale, 74ls93 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. The 74ls93 is a upcounter built using four jk flipflops. Synchronous operation is provided by having all flipflops clocked simultaneously on the. If you have any questions about issues, please report us to resolve them. Decade, dividebytwelve and binary counters datasheet rev. Each counter has a dividebytwo section and either a dividebyfive ls90, dividebysix ls92 ordividebyeight ls93 section which are triggered by a hightolow transition.
Updown counter presettable 4bit binary updown counter the sn5474ls192 is an updown bcd decade 8421 counter and the sn5474ls193 is an updown modulo16 binary counter. Mar 16, 2019 datasheet 74ls93 pdf admin march 16, 2019 leave a comment 74ls93 datasheet, 74ls93 pdf, 74ls93 data sheet, datasheet, data sheet, pdf, hitachi semiconductor, 4bit binary counters. Separate count up and count down clocks are used and in either counting mode the circuits operate synchronously. Mar 22, 2019 74ls93, 74ls93 datasheet, 74ls93 pdf, buy 74ls93, 74ls93 4bit binary counter. Independent use of the first flipflop is available if the reset function coin cides with reset of the 3bit ripplethrough counter. All chips in this section implemented and working, the same was to be repeated in. Electronic component search and free download site. The dm74ls193 circuit is a synchronous updown 4bit binary counter.
Input pulses are supplied by a generator having the following characteristics. Sep 22, 2019 the sn5474ls90, sn5474ls92 and sn54 74ls93 are highspeed. Mar 19, 2020 74ls93 datasheet, 74ls93 pdf, 74ls93 data sheet, datasheet, data sheet, pdf, hitachi semiconductor, 4bit binary counters. The 74ls93 is a 4bit binary counter made of two upcounters. Each counter has a dividebytwo section and either a dividebyfive ls90, dividebysix ls92 ordividebyeight ls93 section which are triggered by a hightolow transition on the. Technical information motorola semiconductor 74ls93 datasheet.
Each counter has a dividebytwo section and either a dividebyfive. Sn5474ls160a sn5474ls161a sn5474ls162a sn5474ls163a state diagram ls160a ls162a ls161a ls163a 12, 14, or 15, it will return to its normal sequence note. If the cpu clock is pulsed while cpd is held high, the device will count up. The sn5474ls90, sn5474ls92 and sn5474ls93 are highspeed. Decade, dividebytwelve and binary counters, 74ls93 pdf download texas instruments, 74ls93 datasheet pdf, pinouts, data sheet, equivalent.
Only one device marking contained in parentheses and separated by a will appear on a device. The sn54 74ls90, sn54 74ls92 and sn54 74ls93 are highspeed. Jan, 2020 74ls90n datasheet pdf the sn5474ls90, sn5474ls92 and sn54 74ls93 are highspeed. Download 74ls93 datasheet from hitachi semiconductor. Decade and binary counters others with the same file for datasheet. Bcd counter circuit using the 74ls90 decade counter. Find the pdf datasheet, specifications and distributor information. Testing and other quality control techniques are utilized to the extent tl deems necessary to support this warranty. Dm74ls193 synchronous 4bit binary counter with dual clock. The sn5474ls90, sn5474ls92 and sn5474ls93 are highspeed 4bit ripple type counters partitioned into two sections. It can be used as a divide by 10 counter by connecting q a with clock input2, grounding all the reset pins, and giving pulse at clock input1. The cp1 and q0 forms a mod2 counter using a single flipflop and the cp0 with q1, q2 and q3 with three flipflops forms the mod8 counter. Decade, dividebytwelve and binary counters datasheet.