AT27C1024-45JU

Product Overview

Category

AT27C1024-45JU belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing data that needs to be permanently written and cannot be modified or erased. It is commonly employed in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High density: The AT27C1024-45JU has a capacity of 1,048,576 bits (128K x 8).
• Fast access time: The chip operates at a speed of 45 nanoseconds.
• Low power consumption: It requires minimal power to operate efficiently.

Package

The AT27C1024-45JU is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and permanent storage of data in electronic systems.

Packaging/Quantity

The AT27C1024-45JU is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Capacity: 1,048,576 bits (128K x 8)
• Access Time: 45 nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C1024-45JU has a total of 32 pins. The pin configuration is as follows:

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. VPP
12. WE#
13. OE#
14. CE#
15. I/O0
16. I/O1
17. I/O2
18. I/O3
19. I/O4
20. I/O5
21. I/O6
22. I/O7
23. NC
24. GND
25. VCC
26. A8
27. A9
28. A11
29. A10
30. A13
31. NC
32. NC

Functional Features

• Easy integration: The AT27C1024-45JU can be easily integrated into various electronic systems.
• High reliability: It offers reliable data storage with low risk of data corruption.
• Fast access time: The chip provides quick access to stored data, enhancing system performance.
• Low power consumption: It operates efficiently with minimal power requirements.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High-density storage capacity.
• Fast access time improves system performance.
• Low power consumption.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited storage capacity compared to other memory technologies.
• Requires external programming equipment for initial data programming.

Working Principles

The AT27C1024-45JU is based on the principle of electrically programmable read-only memory (EPROM). It utilizes a floating-gate transistor structure that allows data to be permanently stored by trapping charge in the gate oxide. This trapped charge determines the logic state of each memory cell, which remains unchanged until the chip is physically replaced.

Detailed Application Field Plans

The AT27C1024-45JU finds applications in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the AT27C1024-45JU include: - AT28C256-15PU - AM27C010-120DC - M27C4001-12F1

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

In conclusion, the AT27C1024-45JU is a programmable read-only memory chip that provides reliable and permanent data storage. With its high density, fast access time, and low power consumption, it is suitable for various applications in different industries. However, its inability to modify or erase programmed data and limited storage capacity should be taken into consideration.