74LS, 74LS Datasheet, 74LS Decade Up/Down Counter Datasheet, buy 74LS, 74LS pdf, ic 74LS Datasheet – Free download as PDF File .pdf), Text File .txt) or read online for free. Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise .

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Jul 2, The following other wikis use this file: Public domain Public domain false false. Tl is not responsible or liable for such altered documentation. Truth Table IC, daasheet schematic diagram,uses and functions, counter truth table of ic A schematic diagram for the IC of Text: Jun 30, 7. Retrieved from ” https: Jun 30, 2. Not recommended for new designs. Testing and other quality control techniques datashert used to the extent Tl deems necessary to support this warranty.

Load preset catasheet binary thirteen. The problem is, my circuit’s not working I’ve constructed Up-counters, using before and it’s a very easy build, however this one is proving much more difficult. 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.

The direction of counting is determined by which count input Is pulsed while the other count input is high. Phase Detector MC pin 3. This reduces the datxsheet of clock drivers, etc.

FileLS – Wikimedia Commons

It might have to do with the low-active components of the [opposed to high-active, which is when a high signal triggers the IC though i’m sure most of you knew that ]. Jul 17, 22, 1, Quote of the day. Full text of ” IC Datasheet: At first I used a dual timer just got them in the mail today but the results weren’t working i figured that i was either wiring them wrong or they were faultyso I then used to separate timers. IC decoder pin diagram Abstract: 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.


Tl products are not authorized for use in safety-critical applications such as life support where a failure of the Tl product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. The counter may be preset by the asynchronous parallel load capability of the circuit.

Search the history of over billion web pages on the Internet. Apr 20, 15, What is the part number on your timer? 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.

Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. Okay, I’m going to bed after messing around with this thing for a long time. Device has been announced but is not in production. I did however omit a couple of wires: Similarly, the carry output produces a pulse equal in width to theborrow and carry outputs to the count-down and count-up inputs respectively of the succeeding counterNOM 5 M AX 5.

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. Customers should contact their board assembly site for stencil design recommendations.


The only think that worked was manually switching the output cable from the UP input to the DOWN input, and there was still some switch-bouncing.

In some countries this may not be legally possible; if so: The h- 10′ counter output is used to generate an internal clock signal for the through 36 x counter stages, which are fully synchronouscounter division, and by the oscillator or external input frequency.

This was the first edition of th. Count up to eight, nine, carry, zero, one, and two.

(PDF) 74192 Datasheet download

When counting up, count-down Input must be high; when counting down, count-up input must be high. Product device recommended for new designs.

The outputs of the four master-slave flip-flops are trig- gered by a low-to-high-level transition of either count clock input. Use of such information may require a license from a third party under the patents or other intellectual property of datashete third party, or a license from Tl under the patents or other intellectual property of Tl.

From Wikimedia Commons, the free media repository. This page was last edited on 6 Juneat If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. Here’s the datasheets for the 2 IC’s datasheet: PD-user Scans by User: All Counter chips pin Jun 30, 9.

If you want to try just the ‘, use ohm resistors in series with the LED’s to limit current. Public domain Public domain false false. Tl has discontinued the production of the device. This package can be hermetically sealed with a ceramic lid using glass frit.