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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S – Controls an LED with a switch. These will be fixed someday, maybe.

S – Displays a sequence of hexadecimal numbers on a seven-segment display. Modern Device – They seem to have a interesting variety of components including many sensors and related components. Others were snagged from web sites wherever we could find them. 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.

74LS21 Datasheet(PDF) – TI store

Parts in stock – This is a list of most of the parts that the EE class has in stock for project construction. Newark and Mouser Electronics – These two are major suppliers vatasheet the electronics industry with very large inventories. Some functions may be missing or not functioning. They are all copyrighted by someone but we’re not going to worry about dtaasheet.

It’s definitely worth at least one trip there just to see the place, and its storage area outside in the back.


Texas Instruments – TI has a large collection of datasheets online, both for current chips and for many obsolete ones. The notes below mostly apply to both microcontrollers even if the description of the document only mentions one of them.

You can also visit their store at Oxnard St. Arduino basics with 744ls21n Danica. On Semiconductor – I think they are mainly a distributer of ICs, 74lw21n a manufacturer. This is collection of documents from a variety of sources for use by the students in EE Lx. If you’re having trouble, please go to Support or click on the Feedback button found at the bottom. If you are looking for TTL datasheets, try the links below.

If you have any amazing things you want to discuss with Tinkbox, don’t hesitate to contact us:. S – Displays a sequence of hexadecimal numbers on a seven-segment display using an internal timer and interrupts for delays.

Other Atmel microcontroller documents and links AVR microcontroller interrupt vectors – A list 74ls221n the interrupt vector names for the AVR microcontrollers listed above. They have a large inventory, the prices are reasonable, and we usually get the order pretty quickly. It will also get you on their mailing list for future catalogs. Here’s some of the stuff we use and recommend.

The administrators are still migrating contents to our new home. Digi-Key – This is our other primary dataeheet. Micro – They sell a wide variety of interesting stuff. These devices contain two independent 4-input gates each of which performs the logic AND function.

Texas Instruments

Jameco Electronics – We used to buy most of our stuff from Jameco before they “improved” their web site. Datxsheet Microcontrollers For information on the Freescale microcontrollers that were used in EE dataeheet until aboutand sample code for them, click here. If you can’t find a non-scanned copy somewhere else, get it from here. If you are interested in purchasing electronic components for building projects, here are some links to places we buy parts from.


Most are designed to test Ddatasheet on a demo board in the lab. Their inventory changes a lot so you might datasbeet be able to buy the same things six months from now. Most are not scanned images so if you can find these, it will be easier to read and 74lz21n out.

The datasheets listed below have been obtained from various places on the Internet. Tinkbox is currently in beta mode. Many of their files are scans of pages from their printed databooks and the images come out looking pretty bad.

However they do have a PDF of a pocket version of their logic data book. These were originally written for the ATmegaA and should run unchanged on that processor. Many figures didn’t survive the translation too well or are missing entirely. All students should read this before starting construction of your project in the lab.

74LS21 | Inventoteca Soluciones Disruptivas

Popular Products Tinkduino Leo. You can place your order any day and time. Order Information Free shipping. Output can be confirmed with an oscilloscope.