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Computer Science 2500
Computer Organization
Rensselaer Polytechnic Institute
Spring 2009
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Lecture 13: Building Memory
Date: Tuesday, March 17, 2009
- Announcements
- Happy St. Patrick's Day.
- Welcome back! It's been a while.
- Another exam soon - a week from Friday, details coming. It
will cover digital logic through memory circuitry.
- Exam recap
- Lab 5 recap
- Lab 6 out
- Be sure to read and understand this assignment before
Friday, when you will have a chance to ask questions about it.
- Building memory
- 4 ×1 memory device
- 4 ×4 memory device
Due at the start of class, Friday, March 20.
Turn in circuit diagrams for the memory circuits described below.
Please turn in a hard copy (hand-drawn is fine). We will discuss
these during class, so no late submissions are accepted.
- Implement a 1 ×4 memory using D-type flip flops as
building blocks.
- Implement a 4 ×4 memory using the 1 ×4 memory
from the previous question as building blocks.