Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Hitachi Semiconductor, PRESETTABLE BCD/DECADE UP/DOWN. The SN54/74LS is an UP/DOWN BCD Decade () Counter .. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications.

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When counting up, count-down input must be high; when counting down, count-up input must be high. Posted by buffon in forum: This symbol is also similar to figure 5. Quote of the day. Load preset to BCD seven. The clear datasheer is independent of the count and load Inputs. Index point is provided on cop for terminal identification only. Swtpc grants anyone the right to use this work for any purposewithout any conditions, unless such conditions are required by law.

Eco Plan – The planned eco-friendly classification: All following user names refer to en. The is a counter IC that can count up or count down with a single input. The borrow output produces a pulse equal in width to the count-down input when the counter underflows, Similarly, the carry output produces a pulse equal in width to the count-up Input when an overflow condition exists.

Product device recommended for new designs. If I read your post correctly, you’ve used the pass-through pins.

Your name or email address: This work has been released into the public domain by its author, Swtpc at English Wikipedia. Additionally, it has 4-inputs that pass-through to 4-outputs. This page was last edited on 6 Juneat This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.


The direction of counting is determined by which count input Is pulsed while the other count input is datashet.

74LS Datasheet(PDF) – ON Semiconductor

This package is hermetically sealed with a ceramic lid using glass frit. Just google the numbers and The original description page was here. 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.

The timestamp is only as accurate as the clock in datashdet camera, and it may be completely wrong.

File:74LS192 Symbol.png

With every button press, you can increment the numbers, and with a different button press, you can decrement the numbers.

This image was drawn using Adobe Photoshop Elements 3. Sep 10, 6. Yes, my password is: Sep 10, 2. Author Swtpc at English Wikipedia. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. This feature allows the counters to be used as modulo-N dividers by simply modifying the count length with the preset inputs.

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. Swtpc at English Wikipedia.


Addendum-Page 3 Texas Instruments www. Production processing does not necessarily include vl’V testing of all parameters. This reduces the number of clock drivers, etc. Index point is provided on cap for terminal identification only on press ceramic glass frit seal only. Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty.

To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. Afterwards we added to connect the IC 74LS in the main ckt. We monitored the count sequence on d logic indicator. Apr 26, 3, 1, Tl does not warrant or represent that any license, either express or implied, is granted under any Tl patent right, copyright, mask work right, or other Tl intellectual property right relating to any combination, machine, or process in which Tl products or services are used.

The following other wikis use this file: The clear, count, and load inputs are buffered to lower the drive requirements. Public domain Public domain false false.

Volume 1 contained a tutorial on how to read and create these symbols. Sep 10, 5 0. This was the first edition of th. All linear dimensions ore in inches millimeters. At least, I am going to need to see a schematic of this Did you read the data sheet on each chip?