Design And Construction Of Manual Eprom Programmer
The design and construction of a manual EPROM programmer involves creating a device capable of erasing, programming, and verifying EPROM (Erasable Programmable Read-Only Memory) chips manually, without the need for complex automated systems. This process typically entails developing a circuit board with the necessary components such as voltage regulators, address and data latches, programming voltages, and control logic. Additionally, the construction would involve integrating a user interface for inputting data and selecting programming options, as well as indicators for status feedback. The programmer would need to support various EPROM types and sizes, accommodating different pin configurations and programming voltages. Precise timing and voltage control are critical for successful programming, necessitating careful component selection and calibration. Ultimately, a well-designed manual EPROM programmer provides a cost-effective and versatile solution for programming EPROM chips in diverse applications, offering flexibility and reliability in data storage and retrieval.
ABSTRACT
The programmer devices required for programming the electrically programmable read only memories (EPROMs) are generally expensive. This work is on a low-cost EPROM programmer circuit to program binary data into 2716 and 2732 EPROMs.
The circuit uses timer NE555 (IC2) wired as a monostable. When push-to-on switch S1 is pressed, IC2 generates a 50ms pulse, which is given to the program pin 18 of the ZIF SOCKET through switch S2. EPROM is inserted into the ZIF SOCKET for programming. LED1 glows to indicate the application of the programming pulse to the EPROM.
TABLE OF CONTENTS
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWLEDGEMENT
ABSTRACT
TABLE OF CONTENT
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE PROJECT
1.2 AIM OF THE PROJECT
1.3 OBJECTIVE OF THE PROJECT
1.4 SIGNIFICANCE OF THE PROJECT
1.5 PURPOSE OF THE PROJECT
1.6 APPLICATION OF THE PROJECT
1.7 ADVANTAGES OF THE PROJECT
1.8 PROBLEM/LIMITATION OF THE PROJECT
1.9 PROJECT ORGANISATION
CHAPTER TWO
2.0 LITERATURE REVIEW
2.1 REVIEW OF RELATED STUDIES
2.2 REVIEW OF RELATED TERMS
CHAPTER THREE
3.0 CONSTRUCTION METHODOLOGY
3.1 SYSTEM CIRCUIT DIAGRAM
3.2 SYSTEM OPERATION
3.3 CIRCUIT DESCRIPTION
3.4 SYSTEM CIRCUIT DIAGRAM
3.5 CIRCUIT OPERATION
3.6 IMPORTANCE AND FUNCTION OF THE MAJOR COMPONENTS USED IN THIS CIRCUIT
3.7 POWER SUPPLY UNIT
CHAPTER FOUR
RESULT ANALYSIS
4.0 CONSTRUCTION PROCEDURE AND TESTING
4.1 CASING AND PACKAGING
4.2 ASSEMBLING OF SECTIONS
4.3 TESTING
4.4.1 PRE-IMPLEMENTATION TESTING
4.4.2 POST-IMPLEMENTATION TESTING
4.5 RESULT
4.6 COST ANALYSIS
4.7 PROBLEM ENCOUNTERED
CHAPTER FIVE
5.1 CONCLUSION
5.2 RECOMMENDATION
5.3 REFERENCES
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