AT27C1024-55PC

Product Overview

Category

AT27C1024-55PC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used in electronic devices for storing permanent data that cannot be modified or erased. It provides non-volatile memory storage, making it ideal for applications where data integrity is crucial.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT27C1024-55PC has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: With a speed of 55 nanoseconds, it ensures quick retrieval of data.
• Low power consumption: Designed to operate efficiently with minimal power requirements.

Package

The AT27C1024-55PC comes in a 32-pin plastic dual in-line package (PDIP). This package offers easy integration into circuit boards and provides mechanical protection to the chip.

Essence

The essence of AT27C1024-55PC lies in its ability to provide reliable and secure storage of data in electronic systems. Its non-volatile nature ensures that critical information remains intact, even during power outages or system failures.

Packaging/Quantity

The AT27C1024-55PC is typically packaged in tubes or trays, containing multiple units per package. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Memory Type: Programmable Read-Only Memory (PROM)
• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 55 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin Plastic Dual In-Line Package (PDIP)

Detailed Pin Configuration

The AT27C1024-55PC 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. /OE - Output Enable
13. /CE - Chip Enable
14. VSS - Ground
15. Q7 - Data Output
16. Q6 - Data Output
17. Q5 - Data Output
18. Q4 - Data Output
19. Q3 - Data Output
20. Q2 - Data Output
21. Q1 - Data Output
22. Q0 - Data Output
23. VCC - Supply Voltage
24. NC - No Connection
25. /WE - Write Enable
26. A14 - Address Input
27. A13 - Address Input
28. A8 - Address Input
29. A9 - Address Input
30. A11 - Address Input
31. A10 - Address Input
32. /PGM - Program Mode

Functional Features

• Non-volatile storage: The AT27C1024-55PC retains data even when power is removed.
• High-speed access: With an access time of 55 nanoseconds, it ensures quick retrieval of stored information.
• Easy integration: The 32-pin PDIP package allows for straightforward integration into electronic systems.
• Low power consumption: Designed to operate efficiently with minimal power requirements.

Advantages and Disadvantages

Advantages

• Reliable and secure storage of permanent data.
• Fast access time for quick retrieval of information.
• Easy integration into electronic systems.
• Low power consumption.

Disadvantages

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

Working Principles

The AT27C1024-55PC is based on the principle of electrical charge trapping. During the manufacturing process, the memory cells are programmed by trapping charges in specific locations within the chip. These trapped charges represent the stored data and remain intact even when power is removed. When the chip is powered on, the stored data can be accessed by providing the appropriate address inputs.

Detailed Application Field Plans

The AT27C1024-55PC finds applications in various fields where non-volatile storage of data is required. Some common application areas include:

1. Embedded Systems: Used for storing firmware, boot code, and configuration data in microcontrollers and embedded devices.
2. Automotive Electronics: Employed in automotive control units for storing critical data such as calibration parameters and fault codes.
3. Industrial Automation: Utilized in