74LS21N DATASHEET PDF

74LS21N from Texas Instruments High-Performance Analog. Find the PDF Datasheet, Specifications and Distributor Information. SN54/74LS DUAL 4-INPUT AND GATE. LOW POWER SCHOTTKY. J SUFFIX. CERAMIC. CASE N SUFFIX. PLASTIC. CASE 1. 1. 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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74LS21 데이터시트(PDF) – TI store

Fairchild Semiconductor – They used to have a good collection of very presentable datasheets but it looks like most of the 74LS ones have been removed. You can also visit their store at Oxnard St. Here’s some of the stuff we use and recommend. Arduino Pro Mini These parts are not normally used in current EELx projects. Contact Infomation If you have any amazing things you want to discuss with Tinkbox, don’t hesitate to contact us: The “74LS” will find it in one of the more common logic family, and the “N” says to find a standard plastic package.

These were originally written for the ATmegaA and should run unchanged on that processor. The notes below mostly apply to both microcontrollers even if the description of the document only mentions one of them. Arduino basics with Tinker Danica. It’s usually easier to find parts in that catalog than online.

If you can’t find a non-scanned copy somewhere else, get it from here. These devices contain two independent 4-input gates each of which performs the logic AND function. Engineered in the Philippines. All students should read this before starting construction of your project in the lab. For all your product inquiries, send us a message on our Contact Page with the Product Inquiry subject.

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74LS21 Dual 4-Input Positive and Gates IC

You can also call us at or send us a message through our Facebook page. Micro – They sell a wide variety of interesting stuff. However they do have a PDF of a pocket version of their logic data book. However they are still present in the our stock of parts so if you want to use them you can.

You can place your order any day and time. Tinkbox is currently in beta mode. Newark and Mouser Electronics – These two are major suppliers to the electronics industry with very 74lz21n inventories. Using the serial communications interface on the ATmegaP and MCJL16 microcontrollers – An explanation of the serial port and and how to use it to exchange data with other devices, along with examples of sending and receiving data over the ATmegaP and MCJL16 serial ports.

They are all copyrighted by someone but we’re not going to worry about that. None of these sites are particulary easy to use if you don’t know what part you are looking for. They send out a printed catalog of over pages.

Questions, corrections and comments about the content of this page should be sent to Allan Weber. Modern Device – They seem to have a interesting variety of components including many sensors and related components.

How to Make Learning More Fun? Mega R3 Arduin Either way, they have a large collection of datasheets online and they are good quality. This document discusses programming the ATmegaP but much of the information also applies to other ATmega or ATtiny microcontrollers used in the class.

Other Services Custom Projects. Texas Instruments – TI has a dayasheet collection of datasheets online, both for current chips and for many obsolete ones. It will also get you on their mailing list for future catalogs.

Parts in stock – This is a list of most of datashedt parts that the EE class has in stock for project construction.

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These sample schematics for devices unrelated to the class projects are similar to the types of schematics that should be produced for your project. Other Atmel microcontroller documents and links AVR microcontroller interrupt vectors – A list of the dataseet vector names for the AVR ddatasheet listed above.

Search form Search this site. Datasheets for the newer parts were mostly obtained from the manufacturers or from Jameco and Digi-Key where we order most of our parts. We have no 74lls21n using the program at this time but it’s probably worth checking out.

Uno R3 Arduino Comp Using the analog-to-digital conversion module on the ATmegaP microcontroller – An description of how the ADC module on the P works and how to configure it for doing conversions.

Texas Instruments – datasheet pdf

Jameco Electronics – We used to buy most of our stuff from Jameco before they “improved” their web site. Some of the following documents are in PDF format. They may have absorbed Motorola’s TTL product line, or at least their tech library.

For information on the Freescale microcontrollers that were used in EE up until aboutand sample code for them, click here. Some are nonLS parts that are logically compatible with 74LSxx parts, but may have problems electrically due to different fan-in and fan-out. All Electronics – This is basically a surplus store with both new and used components. It’s definitely worth at least one trip there just to see the place, and its storage area outside in the back. Implements a modulo 5 up-down counter with binary outputs and decoded 1-of-5 outputs.

These will be fixed someday, maybe.