AT27C020-15JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C020-15JC is a programmable read-only memory (PROM) IC. It is commonly used for storing non-volatile data in electronic devices.

Characteristics: - Non-volatile memory - High storage capacity - Fast access time - Low power consumption

Package: The AT27C020-15JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: This IC is designed to provide reliable and secure storage of data in various electronic applications.

Packaging/Quantity: The AT27C020-15JC is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years

Detailed Pin Configuration

The AT27C020-15JC has a total of 32 pins, each serving a specific function. Here is the detailed pin configuration:

1. A16: Address Input
2. A15: Address Input
3. A12: Address Input
4. A7: Address Input
5. A6: Address Input
6. A5: Address Input
7. A4: Address Input
8. A3: Address Input
9. A2: Address Input
10. A1: Address Input
11. A0: Address Input
12. VPP: Programming Voltage Input
13. OE: Output Enable
14. CE: Chip Enable
15. WE: Write Enable
16. I/O0: Data Input/Output
17. I/O1: Data Input/Output
18. I/O2: Data Input/Output
19. I/O3: Data Input/Output
20. I/O4: Data Input/Output
21. I/O5: Data Input/Output
22. I/O6: Data Input/Output
23. I/O7: Data Input/Output
24. VCC: Supply Voltage
25. GND: Ground
26. NC: No Connection
27. A14: Address Input
28. A13: Address Input
29. A8: Address Input
30. A9: Address Input
31. A11: Address Input
32. A10: Address Input

Functional Features

• Non-volatile storage: The AT27C020-15JC retains data even when power is removed.
• High-speed access: With a fast access time of 150 nanoseconds, it allows for quick retrieval of stored data.
• Low power consumption: The IC operates efficiently with low power requirements.

Advantages and Disadvantages

Advantages: - Reliable and secure data storage - High storage capacity - Fast access time - Low power consumption

Disadvantages: - Limited to read-only memory, not suitable for applications requiring write capability - Relatively larger physical size compared to other memory technologies

Working Principles

The AT27C020-15JC uses a combination of electronic circuits and memory cells to store and retrieve data. It employs a floating-gate transistor technology that allows for non-volatile storage of information. When the chip enable (CE) and output enable (OE) signals are activated, the addressed data is accessed from the memory array and made available on the data input/output pins.

Detailed Application Field Plans

The AT27C020-15JC finds application in various electronic devices and systems, including: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. AT27C010-15JC: 1 Megabit (128 Kilobytes) capacity, similar specifications.
2. AT27C040-15JC: 4 Megabit (512 Kilobytes) capacity, similar specifications.
3. AT27C080-15JC: 8 Megabit (1 Megabyte) capacity, similar specifications.

These alternative models offer different memory capacities while maintaining similar characteristics and functionality to the AT27C020-15JC.

In conclusion, the AT27C020-15JC is a reliable and high-capacity programmable read-only memory IC. With its fast access time and low power consumption, it is suitable for various applications in the field of electronics.