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 . 74LS21 datasheet, 74LS21 pdf, 74LS21 data sheet, datasheet, data sheet, pdf, Hitachi Semiconductor, Dual 4-input Positive AND Gates. SN54/74LS DUAL 4-INPUT AND GATE. LOW POWER SCHOTTKY. J SUFFIX. CERAMIC. CASE N SUFFIX. PLASTIC. CASE 1. 1.

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Course topics EE Lx Lab Notes – A collection of topics related to constructing the 74ls221 projects soldering, wire wrapping, debugging, etc. Most are designed to test PALs on a demo board in the lab. For all your product inquiries, send us a message datassheet our Contact Page with the Product Inquiry subject.

Others were snagged from web sites wherever we could find them. Uno R3 Arduino Datsheet Some of the documents may not be relevant to the current semester’s project but are left here for reference purposes. It’s definitely worth at least one trip there just to see the place, and its storage area outside in the back. This is collection of documents from a variety of sources for use by the students in EE Lx.

For information on the Freescale microcontrollers that were used in EE up until aboutand sample code for them, click here. Popular Products Tinkduino Leo. Order Information Free shipping. SN datasheet – doctor- SN datasheet Author: 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 datsaheet examples of sending and receiving data over the ATmegaP and MCJL16 serial ports.

These devices contain two independent 4-input gates each of which performs the catasheet AND function.


These were originally written for the ATmegaA and should run unchanged on that processor. They have a large inventory, the prices are reasonable, and we usually get the order pretty quickly.

The notes below mostly apply to both microcontrollers even if the description of the document only mentions one of them. However the size of the catalog sometimes make it hard to find things. The administrators are still migrating contents to our new home. However they are still present in the our stock of parts so if you want to use them you can. These sample schematics for devices unrelated to the class projects are similar to the types of schematics that should be produced for your project.

Ql5 datasheet pdf QL5 datasheet, S – Displays a sequence of hexadecimal numbers on a seven-segment display.

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. Texas Instruments dataeheet TI has a large collection of datasheets online, both for current chips and for many obsolete ones.

Datasheft way, they have a large collection of datasheets online and they are good quality. Tinkbox is currently in beta mode. Many figures didn’t survive the translation too well or are missing entirely.

IC Datasheet: 74LS21

Parts in stock dattasheet This is a list of most of the parts that the EE class has in stock for project construction. Motorola does not convey any 74lw21 under its patent rights nor the rights of others. Engineered in the Philippines. S – Controls an LED with a switch. If you are looking for TTL datasheets, try the links below. Contact Infomation If you have any amazing things you want to discuss with Tinkbox, don’t hesitate to contact us: Download their PDF catalog.

This document discusses programming the ATmegaP but much of the information also applies to other ATmega or ATtiny microcontrollers used in the class. Datasheets for the newer parts were mostly obtained from the manufacturers or from Jameco and Digi-Key where we order most of our parts. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.


Their prices on some stuff is very good, provided you can find what you need. If you can’t find a non-scanned copy somewhere else, get it from here. Create new account Request new password.

SN54/74LS21 Motorola DUAL 4-INPUT and GATE ChipFind Datasheet Archive |

Output can be confirmed with an oscilloscope. You can place your order any day and time. Motorola Literature Distribution; P. Implements a 3-bit up-down Gray code counter with binary outputs and the seven-segment display outputs the message “EE L”.

However they do have a PDF of a dahasheet version of their logic data book.

74LS21 Datasheet pdf – Dual 4-input Positive AND Gates – Hitachi Semiconductor

Powered by Rethink Tech Inc. Motorola and are registered trademarks of Motorola, Inc. Many of their files are scans of pages from their printed databooks and the images come out looking pretty bad.