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Articles Top Articles Search resources. As a time of day clock source, that’s a steadily decreasing error of over 2 minutes 15 seconds per day. If you already have the kHz crystal on hand, and are satisfied with the output frequency not being exactly 60 Hz, that’s fine, but there are other crystal frequencies available that can be divided down exactly to 60 Hz.

Were can i buy SN chip. Started by fastline Yesterday at 8: There is a project I did which got published on Silicon Chip magazine, which describes how to exactly obtain 50 or 60 Hz and its 2nd harmonic in the instance that you are driving a common alarm clock derived from a watch crystal and utilizing the CD assisted by a small 8 pin micro.

Based on nothing datssheet the schematic, it looks like the 60 Hz output is off by 0. Thread starter chemelec Start date Jan 20, My Age is Getting to me and My Brain just isn’t working for this. Click here catasheet register now. IMPORTANT NOTICE 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 customers to obtain the latest version of relevant information to datsaheet, before placing orders, that information being relied on is current and complete.


Started by fastline Yesterday at 8: If I’m reading Fig 1 of the ‘ datasheet correctly, I think it goes like this: The 32, Crystal is one I already have.

Articles Top Articles Search resources. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets.

CD4059 – CD4059 Program Divide-by-N Counter

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

No, That was an older chip. For a better experience, please enable JavaScript in your ccd4059 before proceeding. There will be some jitter, but for a timekeeping purpose, it is usually of no consequence.

Thread starter ben7 Start date Oct 28, Replacing a 4 pin leaded inductor with a 2 pin Started catasheet gkmaia Yesterday at CD, To Divide by Just saying hello Started by MichaelaJoy Yesterday at 6: To participate you need to register. Forums New posts Search forums. Home – IC Supply – Link.

Mikebits Well-Known Member Oct 29, In other words, you achieve the required ratio by speeding up and slowing down the counter. But not sure Which Pins need to go High and Low. But separate from that – If you have a PIC, why do you need the ? Texas Instruments and its subsidiaries TI reserve the right to make changes to their products or to discontinue.

The microcontroller keeps track of the cycle counts and also divides the Hz to 60 Hz.

CD4059, To Divide by 546

TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in. Media New media New comments Search media. You datashheet log in or register to reply here. Media New media New comments Search media. If you just need divide by 60, dataseet would have better luck finding a CD However I also have some 76, ones and that divides out to precisely 60 Hz, by division of So a division of would be close enough.


BobW Active Member Jan 23, Specific testing of all parameters of each device is not necessarily.

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Click here to register now. Help is very appreciated! All products are sold. Were can I buy a SN ttl By continuing to use this site, you are consenting to our use of cookies. Forums New posts Search forums.

Does the jam input need to be or Potentiometer Questions Started by norbss Yesterday at All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. TI does not warrant or represent. To participate you need to register. For a better experience, please enable JavaScript in your browser before proceeding.

It then reloads the number and counts down to zero again, thus giving you the divide by you want. Testing and other quality control techniques are utilized to the extent. Because to obtain exactly Hz from Hz, one has to jam the counter for a divisor for 14 periods, and then jam for a divisor for 1 period.