74190 DATASHEET PDF

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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Voltage values are with respect to network ground terminal. The latter output produces a high-level output pulse with a duration approximately equal to one complete cycle of the datxsheet when the counter overflows or underflows.

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For simplication, pulse rise times, reference levels, etc. Data inputs A, B, and C are shown by the solid line. Two outputs have been made available to perform the cascading function: Count down to one, zero minimumfifteen, fourteen, and thirteen. The ripple clock output produces a low-level output pulse equal in width to the low- level portion of the clock input when an overflow or underflow condition exists.

All four data inputs datzsheet shown by the solid line. All diodes are 1 N or equivalent.

To test Qq output of ‘ and ‘LS Pin numbers shown are for D, J, and N packages. Data inputs A and D are shown by the solid line. Tl products are not authorized for use in safety-critical applications such as life support where a failure of the Tl product 7419 reasonably be expected to cause severe personal injury or death, unless officers of the parties catasheet executed an agreement specifically governing such use.

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The input pulses are supplied by generators having the following characteristics: Buyers acknowledge and agree that, if they use any non-designated products in automotive applications, Tl will not be responsible for any failure to meet such requirements.

Level changes at the enable input should be made only when the clock datasgeet put is high. When low, the counter count up and when high, it counts down. Resale of Tl products or services with statements different from or beyond the parameters stated by Tl for that product or service voids all express and any implied warranties for the associated Tl product or service and is an unfair and deceptive business practice.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions: This feature allows the counters to be used as modulo-N dividers by simply modifying the count length with the preset inputs.

I qq is measured with all inputs grounded and all outputs open. Lqad preset to binary thirteen. 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. A high at the enable input inhibits counting. 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.

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Conditions on other inputs are irrelevant. Data in is shown by the solid line for both devices. Count down to one, zero minimumnine, eight, and seven.

Datasheft minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Tl products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by Tl.

Hoja de datos ( Datasheet PDF ) – Synchronous Decade Up/Down Counters

Search the history of over billion web pages on the Internet. The output will change to agree with the data inputs independently of the level of the clock input. Reproduction of this information with alteration is an unfair and dataaheet business practice.

Tl is not responsible or liable for such altered documentation.

Minimum count enable time is the interval immediately preceeding the rising edge of the clock pulse during which interval the count enable input must be low to ensure counting.