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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74LS | Inventoteca Soluciones Disruptivas

Full text of ” IC Datasheet: Counting o c cu rs on the positive goin g datashete of the clock input. 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.

When low, the counter counts up and when high, it counts down. Wh en low, the counter counts up and when high, it counts down. Minimum count enable time is the interval immediately preceeding the rising edge of the clock datqsheet during which interval the count enable input datashret be low to ensure counting. Load preset to BCD seven. Tl warrants performance of its hardware products to dataheet specifications applicable at the time of sale in accordance with Tl’s standard warranty.

These counter change on the positive transition of datashdet clockeasy cascading of counters, which facilitates easy implementation of N-bit counters without using. Data in is shown by the solid line for both devices. Count down to one, zero minimumfifteen, fourteen, and thirteen. Errors in Truth Table. Customers are responsible for their products and applications using 74ls109 components.

Tl is not responsible or liable for such altered documentation. Previous 1 2 These counter change on the positive transition of the clock input. All data inputs are low. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. Lqad preset to binary thirteen. I qq is measured with all inputs grounded and all outputs open. State changes of the counters are synchronous with the.


LOAD is active l o w and Load the load data. All 7l4s190 are sold subject to Tl’s terms and conditions of sale supplied at the time of order acknowledgment. This feature allows the counters to be used as modulo-N dividers by simply modifying the count length with the preset inputs.

When low, the counter count up and when high, it counts down. Production processing does not necessarily include testing of all parameters.

An asynchronous parallel load input overrides coun ting and loads the data. The output will change datasueet agree with the data inputs independently of the level of the clock input. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards.

Data inputs B and C are held at the low logic level.

Voltage values are with respect to network ground terminal. Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty. No abstract text available Text: Buyers acknowledge and agree that any such use of Tl products which Tl has not designated 74ls10 military-grade is solely at the Buyer’s risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.

Add arrow from 15 to 8. Delete arrow from 15 to 0. A disadvantage ofdoesn’t apply, because the TC output of a given stage is not affected by its own CE. To test Qq output of ‘ and ‘LS A disadvantage of this configuration, in someoutput of a given stage is not affected by its datqsheet CE.


Count up to fourteen, fifteen maximumzero, one, and two. Level changes at the enable input should be made only when the clock in- put is high.

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. All diodes are 1 N or equivalent. Count down to one, zero minimumnine, eight, and seven. Truth Table IC, counter schematic diagram,uses and functions, counter truth table of ic Satasheet schematic diagram for the IC of Text: Output states in row 11 apply for input states in rows 11 through 14DC Characteristics Table.

Buyers datasheeet that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and 74ls1990 that they are solely responsible for all legal, regulatory and safety-related datashheet 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.

A high at the enable input inhibits counting. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.

74LS190 Datasheet

Count up to dstasheet, nine maximumzero, one, and two. Add lo off parameter with lim it of pA max with 15 V.

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.