AT27C512R-70JC

Product Overview

Category

AT27C512R-70JC 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 AT27C512R-70JC has a capacity of 512 kilobits, allowing for substantial data storage.
• Fast access time: With a speed rating of 70 nanoseconds, this chip ensures quick retrieval of stored information.
• Low power consumption: The AT27C512R-70JC operates efficiently, minimizing power usage.

Package and Quantity

The AT27C512R-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package. Each package contains one chip.

Specifications

• Capacity: 512 kilobits
• Access Time: 70 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Pin Configuration

The detailed pin configuration of the AT27C512R-70JC is as follows:

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. /OE
12. /WE
13. VPP
14. NC
15. Q7
16. Q6
17. Q5
18. Q4
19. Q3
20. Q2
21. Q1
22. Q0
23. VCC
24. GND
25. A8
26. A9
27. A11
28. A10
29. /PGM
30. /BYTE
31. /ACC
32. /CE

Functional Features

• Read-only memory: The AT27C512R-70JC allows for the retrieval of stored data but does not support writing or erasing operations.
• High-speed access: With a fast access time of 70 nanoseconds, this chip ensures quick data retrieval.
• Reliable storage: The non-volatile nature of PROM ensures that the stored data remains intact even in the absence of power.

Advantages

• Non-volatile storage: The AT27C512R-70JC retains data even when power is removed, ensuring data integrity.
• High capacity: With a capacity of 512 kilobits, this chip provides ample storage space for various applications.
• Fast access time: The 70 nanosecond access time enables efficient retrieval of stored information.

Disadvantages

• Lack of write/erase capability: Unlike other memory chips, the AT27C512R-70JC does not support writing or erasing operations, limiting its flexibility.

Working Principles

The AT27C512R-70JC operates based on the principle of electrical charge trapping. During programming, the memory cells are selectively charged to represent the desired data. When reading, the stored charges are detected and converted into digital signals.

Application Field Plans

The AT27C512R-70JC finds application in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Medical devices - Consumer electronics

Alternative Models

Other alternative models with similar features and specifications include: - AT27C256R-70JC - AT27C010-70JC - AT27LV512A-70JC

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the AT27C512R-70JC is a programmable read-only memory chip that offers high capacity, fast access time, and non-volatile storage. While it lacks write/erase capability, its reliability and suitability for various applications make it a valuable component in electronic devices.