Datasheets for electronic components. This file is the datasheet for the following electronic components: 74LS – ?. Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS circuit, 74LS data sheet: TI – SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL,alldatasheet.

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Pin numbers shown are for D, J, and N packages. All data inputs are low.

74s190 The input pulses are supplied by generators having the following characteristics: Information published by Tl regarding third-party products or datqsheet does not constitute a license from Tl to use such products or dxtasheet or a warranty or endorsement thereof. Voltage values are with respect to network ground terminal. The counters can be easily cascaded by feeding the ripple clock output to the enable input of the succeeding counter if parallel clocking is used, or to the clock input if parallel enabling is used.

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.

When low, the counter counts up and when high, it counts down.

(PDF) 74LS190 Datasheet download

Previous 1 2 Reproduction of this information with alteration is 74ls1900 unfair and deceptive business practice. Add lo off parameter with lim it of pA max with 15 V. No abstract text available Text: I qq is measured with all inputs grounded and all outputs open. Count down to one, zero minimumfifteen, fourteen, and thirteen.


In the counting modes, state changes are initiated by the rising edge of the.

Texas Instruments

Data input D is shown by the dashed line. This mode of operation eliminates the output counting spikes normally associated with asyn- chronous ripple clock counters. Customers are responsible for their products and applications using Tl components.

74lx190 Tl is not responsible or liable for any such statements. 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 datashet at the data inputs. Except dwtasheet mandated by government requirements, testing of all parameters of each product is not necessarily performed. Delete arrow from 15 to 0.

State changes of datsheet counters are synchronous with the. Production processing does not necessarily include testing of all parameters. 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.

Two outputs have been made available to perform the cascading function: Lqad preset to binary thirteen. All four data inputs are shown by the solid line. A disadvantage ofdoesn’t apply, because the TC output of a given stage is not affected by its own CE.

Customers should obtain the latest relevant information before placing orders datashfet should verify that such information is current and complete. Wh en low, the counter counts up and when high, it counts down.

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These counter change on the positive transition of the clockeasy cascading of counters, which facilitates easy implementation of N-bit counters without using. Truth Table Abstract: All diodes are 1 N or equivalent. Load preset to BCD seven.

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. Synchronous operation is provided by having all flip- flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic. Tl is not responsible or liable for such altered documentation.

Tl assumes no liability for applications assistance or customer product design. Counting o c cu rs on the positive goin g transition of the clock input.

All products are sold subject to Tl’s terms and conditions of sale supplied at the time of order acknowledgment. All inputs are equipped w ith. An asynchronous parallel load input overrides coun ting and loads the data.

Dafasheet 1 shows the generic functions and Table 2.

Texas Instruments – datasheet pdf

Add arrow from 15 to 8. Data inputs A and D are shown by the solid line. For simplication, pulse rise times, reference levels, etc. The output will change to agree with the data inputs independently of the level of the clock input.

These counter change on the positive transition of the clock input. Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty.

Information of third parties may be subject to additional restrictions.

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