AT27C1024-45PU

Product Overview

Category

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

Use

This chip 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 storage capacity: The AT27C1024-45PU has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: The chip offers a fast access time of 45 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT27C1024-45PU comes in a plastic DIP (Dual In-line Package) with 32 pins. This package provides protection and facilitates easy integration into electronic circuits.

Essence

The essence of the AT27C1024-45PU lies in its ability to store large amounts of data reliably and securely, while offering fast access times and low power consumption.

Packaging/Quantity

These chips are typically packaged in tubes or trays, with each tube or tray containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 45 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Plastic DIP
• Pin Count: 32

Detailed Pin Configuration

The AT27C1024-45PU chip has 32 pins arranged as follows:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
13. WE#
14. OE#
15. CE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Non-volatile storage of data.
• Fast access time for efficient data retrieval.
• Low power consumption, suitable for battery-powered devices.
• Durable and reliable, ensuring data integrity over time.

Advantages and Disadvantages

Advantages

• Large storage capacity.
• Fast access time.
• Low power consumption.
• Reliable and durable.

Disadvantages

• Data cannot be modified or erased once programmed.
• Limited flexibility compared to other types of memory.

Working Principles

The AT27C1024-45PU operates based on the principle of electrical programming. The data is written onto the chip using a specific programming voltage. Once programmed, the data remains stored in the chip until it is powered off. The chip does not allow for modification or erasure of the programmed data.

Detailed Application Field Plans

The AT27C1024-45PU finds applications in various fields, including: 1. Embedded systems: Used for firmware storage in microcontrollers and other embedded devices. 2. Automotive electronics: Employed for storing critical data such as calibration parameters and configuration settings. 3. Industrial control systems: Used for storing program code and configuration data in industrial automation applications. 4. Medical devices: Utilized for storing patient data, firmware, and device configurations.

Detailed and Complete Alternative Models

1. AT27C010-45PU: Similar to the AT27C1024-45PU but with a smaller capacity of 131,072 bits (16 kilobytes).
2. AT27C040-90PU: Offers a larger capacity of 524,288 bits (64 kilobytes) and a slower access time of 90 nanoseconds.
3. AT27C080-70PU: Provides a capacity of 524,288 bits (64 kilobytes) and a faster access time of 70 nanoseconds.

These alternative models offer different capacities and access times, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the AT27C1024-45PU is a programmable read-only memory chip that offers high storage capacity, fast access time, and low power consumption. It finds applications in various fields such as embedded systems, automotive electronics, industrial control systems