This circuit is a synchronous up down 4-bit binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs. 74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, Synchronous 4-Bit Binary Counter with Dual Clock. SN54/74LS is an UP/DOWN MODULO Binary Counter. Separate. Count Up and Count Down Clocks are used and in either counting mode the.
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(PDF) 74193 Datasheet download
The information is contained in the truth-table in the datasheet. Do you have LOAD pin 11 held high?
Quote of the day. Jan 26, 8. My best guess is that the pulse is too slow, but even when I apply a Hz square wave nothing happens. Welcome to our site! Jan dataseet, 9. Russlk New Member Dec 16, Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.
They all just stay at low, even though I’m giving the counter input a pulse. I’d would not go with the because it counts ix binary. I hope I’ve described my situation well enough, I just can not figure out why the counter isn’t counting. Often there is a timing diagram that contains the same information along with the critical timing information as dtaasheet.
I have read the data-sheets and read quite a bit on this forum as well, but nothing I try seems to work. Media New media New comments Search media.
Jan 25, 3 0. Right now I have a chip debouncing datzsheet switch and and output from that going into the count-up terminal of the Your name or email address: You would then have a problem of converting from binary to bcd for use in the display. Do you already have an account? Confirm that 5V power is present on the Power pin pin 16 and ground is present on pin 8.
questions about counter | All About Circuits
Hardware, Tools, and Toolchain This is Part 1 of a step-by-step guide to bringing custom microcontroller designs to life. Jul 17, 22, 1, I’m wondering if I’m not sending it a pulse that it can recognize as a clock cycle, or if there’s just something weird with the chip. Nov 20, 2. The counter chip I had on hand was aand I’ve spend a lot of time reading up on it and trying to make it work, but for the life of me I can’t get the thing to count.
Jan 26, 2. This was my first experiment with digital logic though, so maybe it will just make more sense as I work with things. To participate you need to register. Jan 26, 4. Terminal count up pin 12 connects to clock pulse up pin 5 of the next stage.
Articles Top Articles Search resources. Mar 24, 21, 2, If not, it’ll always be loading the data inputs into the data outputs. Russlk New Member Dec 19,