AT27C516-70JI

Product Overview

Category

AT27C516-70JI 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 finds applications in various electronic devices where non-volatile memory is required.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: The AT27C516-70JI has a capacity of 512 kilobits (64 kilobytes).
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Package

The AT27C516-70JI comes in a 32-pin plastic J-lead chip carrier (PLCC) 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 AT27C516-70JI is typically packaged in reels containing a specified quantity of chips, usually 1000 units per reel.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

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. OE#
14. CE#
15. WE#
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

• Easy programming: The AT27C516-70JI can be programmed using standard PROM programming equipment.
• High reliability: This chip offers excellent data retention and endurance characteristics, ensuring long-term reliability.
• Compatibility: It is compatible with a wide range of microcontrollers and other digital devices.
• Low power consumption: The AT27C516-70JI operates on low power, making it suitable for energy-efficient applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Once programmed, the data cannot be modified or erased, limiting its flexibility compared to other types of memory.
• Limited write endurance compared to some other memory technologies.

Working Principles

The AT27C516-70JI utilizes a one-time programmable (OTP) technology. During programming, electrical charges are applied to specific memory cells, altering their state permanently. Once programmed, the data remains stored in the memory until the chip is replaced.

Detailed Application Field Plans

The AT27C516-70JI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Medical devices 5. Consumer electronics

Detailed and Complete Alternative Models

1. AT27C010-70JI: 1 megabit (128 kilobytes) capacity, 70 nanoseconds access time.
2. AT27C040-90JI: 4 megabit (512 kilobytes) capacity, 90 nanoseconds access time.
3. AT27C080-120JI: 8 megabit (1 megabyte) capacity, 120 nanoseconds access time.

These alternative models offer different capacities and access times to cater to specific application requirements.

In conclusion, the AT27C516-70JI is a programmable read-only memory chip that provides reliable and permanent data storage. With its high capacity, fast access time, and low power consumption, it finds applications in various electronic devices across different industries. While it has limitations in terms of flexibility and write endurance, alternative models with varying specifications are available to suit specific needs.