The SN54/ 74LS and SN54 / 74LS are octal buffers and line drivers with the same functions as the LS and LS, but with pinouts on the opposite. Texas Instruments 74LS Buffers & Line Drivers are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Texas Instruments . 74LS datasheet, 74LS circuit, 74LS data sheet: ONSEMI – OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS,alldatasheet, datasheet.

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Esquema e software de gravador p via porta paralela – 74ls Alexandre row Enviado por: Many of the basic logic functions are also available in parts with “open collector” outputs. Not recommended for new designs.

For a long time, the original series was the best choice as a general-purpose logic family, and the family had more members than any of the offshoot families.

Because tri-state buffers have many applications in microprocessor circuits, there are several useful chips available which are designed to function on eight data signals bits at one time.

74541 datasheet

CL includes probe and jig capacitance. TI has datasgeet the production of the device. Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice.

Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.


There are some other family offshoots; this list is those flavors of currently in production from datsheet manufacturerTexas Instruments.


Microcontrolador Microcontrolador Device is in production to support existing customers, but TI does not recommend using this part in a new design.

Since a regular TTL logic gate sources current for “1” and datasheer current for “0,” a signal where neither of these is happening the signal is “off,” like in open collector outputs can actually be thought of as being a third state. At the very least, they provide you daasheet a lot of different options for creating complex logic functions and circuits.

The information provided on this page represents TI’s knowledge and belief as of the date that it is provided. Open collector gates have an interesting property, which is that they can be ANDed together just by wiring several outputs together. This package can be hermetically sealed with a metal lid.

74LS541 Datasheet

Products conform to specifications per the terms of Texas Instruments standard warranty. Arquivos Semelhantes Esquema e software de gravador p via porta paralela There are six of these on a single chip.

Along the way I’ll also cover some additional chip characteristics that can be useful in complex designs. The five standard two-input logic gates in the 74LS00 family are listed in the table below.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of TexasInstruments semiconductor products dataseet disclaimers thereto appears at the end of this data sheet. You might use these variants if you want to count in decimal digits rather than pure binary. The 3-state control gate is a 2-input NOR gate such that, if either output-enable OE1 or OE2 input is high, all eight outputs are in the high-impedance state. Outputs Q0 through Q3 are a binary value, where Q0 datssheet the least signifigant bit and Q3 is most significant.


Device has been announced but is not in production. Esquema e software de gravador p dxtasheet porta paralela Esquema e software de gravador p via porta paralela. Although less common, there are decimal versions of these chips.

Samples may or may not be available.

As long as other logic determines that no more than one output is driving the same signal at the same time, all is well. When the enable is “1” the buffer is driving the output; when the enable is “0,” the output is turned 74lw541 “tri-stated”.

On all other products, production processing does not necessarily include testing of all parameters. The series was very successful and very popular, to the extent that when companies want to manufacture new logic parts with different electrical characteristics, they typically create new families of the very same functions and pin-outs.

TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used.