AT27C1024-15PC

Product Overview

Category

AT27C1024-15PC 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 retained, even when power is turned off. It allows users to program and store data that cannot be modified or erased.

Characteristics

• Non-volatile: The stored data remains intact even without power supply.
• High storage capacity: The AT27C1024-15PC has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: The chip operates at a speed of 150 nanoseconds.
• Durable: Designed to withstand multiple read and write cycles.
• Low power consumption: Consumes minimal power during operation.

Package

The AT27C1024-15PC is available in a 32-pin plastic dual in-line package (PDIP).

Essence

The essence of this PROM chip lies in its ability to store data permanently, making it ideal for applications where non-volatile memory is required.

Packaging/Quantity

The AT27C1024-15PC is typically sold in tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 150 nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin Plastic Dual In-Line Package (PDIP)

Detailed Pin Configuration

The AT27C1024-15PC has a total of 32 pins, each serving a specific function. The pin configuration is as follows:

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 Supply
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 - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. A14 - Address Input
29. A13 - Address Input
30. A8 - Address Input
31. A9 - Address Input
32. A11 - Address Input

Functional Features

• Non-volatile storage: The AT27C1024-15PC retains data even when power is turned off.
• High-speed access: With an access time of 150 nanoseconds, it provides fast data retrieval.
• Easy programming: The chip can be programmed using standard PROM programming equipment.
• Durable design: Built to withstand multiple read and write cycles, ensuring long-term reliability.

Advantages and Disadvantages

Advantages

• Permanent data storage: The stored data remains intact even without power supply.
• Fast access time: Allows for quick retrieval of information.
• Easy programming: Can be programmed using standard PROM programming equipment.
• Durable: Designed to withstand multiple read and write cycles.

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 AT27C1024-15PC operates based on the principle of electrical charge trapping. During programming, a high voltage is applied to the specific memory cells, causing electrons to be trapped in the floating gate. These trapped charges represent the programmed data. When reading, the presence or absence of trapped charges is detected, determining the stored information.

Detailed Application Field Plans

The AT27C1024-15PC finds applications in various fields where non-volatile memory is required. Some potential application areas include:

1. Embedded Systems: Used for storing firmware and configuration data in microcontrollers and microprocessors.
2. Automotive Electronics: Employed in automotive systems for storing critical data such as calibration parameters and diagnostic codes.
3. Industrial Control Systems: Utilized in industrial automation and control systems for storing program instructions and configuration settings.
4. Medical Devices: Integrated into