Description, Synchronous Up/down Counters WITH Down/up MODE Control. Company, Texas Instruments, Inc. Datasheet, Download datasheet. Quote . Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated. datasheet, circuit, data sheet: TI – SYNCHRONOUS UP/ DOWN COUNTERS WITH DOWN/UP MODE CONTROL,alldatasheet, datasheet, .
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The ripple clock output produces a low-level output pulse equal in width datashest the low- level portion of the clock input when an overflow or underflow condition exists. I qq is measured with all inputs grounded and all outputs open. Tl is not responsible or liable for such altered documentation. Reproduction of Tl information in Tl data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices.
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PDF 74190 Datasheet ( Hoja de datos )
Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Tl assumes no liability for applications assistance or customer product datssheet. The output will change to agree with the data inputs independently of the level of the clock input.
This feature allows the counters to be used as modulo-N dividers 47190 simply modifying the count length with the preset inputs. Data inputs B and C are held at the low logic level.
Voltage values are with respect to network ground terminal. Customers are responsible for their products and applications using Tl components. Information published by Tl regarding third-party products or services does not constitute a license from Tl to use such products or services or a warranty or endorsement thereof.
Minimum count enable time is the interval immediately preceeding the rising edge of the clock datasheet during which interval the count enable input must be low to ensure counting.
Count down to one, zero minimumnine, vatasheet, and seven. Information of third parties may be subject to additional restrictions. All data inputs are low. Resale of Tl products datashewt services with statements different from or beyond the parameters stated by Tl for that product or service datasheett all express and any implied warranties for the associated Tl product or service and is an unfair and deceptive business practice.
This mode of operation eliminates the output counting spikes normally associated with asyn- chronous ripple clock counters.
To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. Data input D is shown by the dashed line. Lqad preset to binary thirteen. The counters can be easily cascaded by feeding the ripple clock output to the enable input datssheet the succeeding counter if parallel clocking is used, or to the clock input if parallel enabling is used.
SN Datasheet Texas Instruments pdf data sheet FREE from
SN54′, SN74′ Circuits 5. Data in is shown by the solid line for eatasheet devices. Tl warrants performance of its hardware products to the specifications applicable at the time of catasheet in accordance with Tl’s standard warranty. Pin numbers shown are for D, J, and N packages. When low, the counter count up and when high, it counts down.
Tl products are not authorized for use in safety-critical applications such as life support where a failure of the Tl product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing dxtasheet use.
Data inputs A and D are shown by the solid line. Count up to fourteen, fifteen maximumzero, one, and two.
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Hoja de datos ( Datasheet PDF ) – Synchronous Decade Up/Down Counters
The input pulses are supplied by generators having the following characteristics: Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty. Further, Buyers must fully indemnify Tl and its representatives against any damages arising out of the use of Tl products in such safety-critical applications.
All four data inputs are shown by the solid line. Two outputs have been made available to perform the cascading function: These counters are fully programmable; that is, the outputs may be preset to either level by placing a low on the load input and entering the desired data at the data inputs. The latter output produces a high-level output pulse with a duration approximately equal to one complete cycle of the clock when the counter overflows or underflows.
Tl is not responsible or liable for any such statements. Except where mandated by government requirements, datzsheet of all parameters of each product is not necessarily performed. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: