Part, 74LS Category. Description, Octal D-type Transparent Latches AND Edge-triggered Flip-flops. Company, Texas Instruments, Inc. Datasheet, Download. 74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, 3-STATE Octal D-Type Transparent Latches and. Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor.

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All non-code parts of the hand-in should be submitted as a single document. We suggest each of the two students in your lab group be “in charge” of one of the two dataseet of the lab parts to help divide the work.

Confirm the operation using the simulator to make sure you got it right, which you need document only by saying “checked with simulator” in your hand-in. The term counter limit refers to the maximum value the counter runs to e.

74ls37 first instruction is done as an example. This lab uses a flip-flop to hold a data value on a bar graph LED.

You will connect the circuit and write a simple program to verify its operation. For this lab, you will adapt the string hash program from lab 1.

74LS Datasheet PDF –

Code files should be submitted separately, per the lab FAQ. Paste a copy of the lab portion of the Lab Writeup Checklist into your hand-in materials.

Do this by hand — do NOT use the simulator since it will dwtasheet exact execution time and not best case execution time. It is easy to make small mistakes when you are in a hurry. Note that 74LS labeling of “Q” outputs is in terms of bus bits and not per data 74lz374 for this diagram. Please see the course web page for due dates. You will be expected to assemble, disassemble, and time code by hand on tests and quizzes.

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Why is it valid or invalid? This includes performing operations shift, add, subtract, clear on registers and memory locations and copying values from one location to another. Using a checklist is your best defense against this in general, and in particular is extremely helpful for avoiding unnecessary point losses when handing in assignments for this course.

Think of how embarrassed you will be if you get something wrong after saying you followed the checklist. Be sure to consult the Lab Writeup Checklist for both the prelab and lab writeup!

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Pin 2 provides D0 to bus, Pin 5 provides D1, etc. Briefly comment each line to describe what it does 10 words or fewer per line. Scan the printed-out document after you add 74ls3374 checkmarks and upload to the hand-in folder. Pick an instruction where the exact execution time differs from the best case execution time and explain why in one sentence. It is OK to use CodeWarrior to check your work and make corrections after you have done it by hand.

BUT, we expect both of you to understand and participate in the execution of both labs.


For the questions in part B. And, as always, you must do the pre-labs independently. You do not have to use the assembly program or the simulator. You MUST follow these procedures or we will not accept your submissions. Do this by hand using the reference materials.

Put a brief comment at the beginning which describes the overall function of the code. Paste a copy of the pre-lab portion of the Lab Writeup Checklist into your hand-in materials.

Search Results for 74LS374 : 2 documents found

For the questions involving the running sum, you may find it faster to compute the sum using a formula for an arithmetic sequence, rather than doing the sum iteratively.

Create a similar example using different, non-trivial e. This lab uses the same circuit as Lab 2 part A. For example, if Q7 is high, and Q6: For each question below, we suggest that you do the work by 74ld374 and check it with an assembler. Your program shall meet the following requirements: Machine code is fetched from memory and the instructions described are executed by the processor.

Assume that all setup, hold, pulse duration, and daasheet times are valid and datashedt outputs have settled for these sample points. When you record your answers, use the conventions described in the discussion section. Embedded Hardware – Part B: