AT27C516-55JC

Product Overview

Category

The AT27C516-55JC 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 data stored in the AT27C516-55JC remains intact even when power is removed.
• High capacity: This chip has a storage capacity of 512 kilobits (64 kilobytes).
• Fast access time: The AT27C516-55JC offers a fast access time of 55 nanoseconds, allowing for quick retrieval of data.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT27C516-55JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the AT27C516-55JC lies in its ability to provide reliable and non-volatile storage for critical data in various electronic systems.

Packaging/Quantity

This chip is typically sold in reels or tubes, with each reel or tube containing a specific quantity of AT27C516-55JC chips.

Specifications

• Storage Capacity: 512 kilobits (64 kilobytes)
• Access Time: 55 nanoseconds
• Operating Voltage: 5V
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27C516-55JC chip has a total of 32 pins, which are assigned specific functions as follows:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. A16 - Address Input
18. A17 - Address Input
19. A18 - Address Input
20. VCC - Power Supply
21. OE - Output Enable
22. CE - Chip Enable
23. WE - Write Enable
24. I/O0 - Data Input/Output
25. I/O1 - Data Input/Output
26. I/O2 - Data Input/Output
27. I/O3 - Data Input/Output
28. I/O4 - Data Input/Output
29. I/O5 - Data Input/Output
30. I/O6 - Data Input/Output
31. I/O7 - Data Input/Output
32. GND - Ground

Functional Features

The AT27C516-55JC offers the following functional features:

• Non-volatile storage: The chip retains data even when power is removed.
• Fast access time: Allows for quick retrieval of stored data.
• Easy integration: Can be easily integrated into various electronic systems.
• Low power consumption: Operates on low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Reliable non-volatile storage
• High storage capacity
• Fast access time
• Low power consumption

Disadvantages

• Data cannot be modified or erased once written
• Limited write cycles

Working Principles

The AT27C516-55JC operates based on the principle of electrical charge trapping. The data is stored in a grid of memory cells, with each cell representing a bit. When a voltage is applied to the appropriate address lines, the stored data is read from or written to the selected memory cell.

Detailed Application Field Plans

The AT27C516-55JC 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

Some alternative models to the AT27C516-55JC include: 1. AT28C64B-15PU: 64 kilobit (8 kilobyte) EEPROM chip with a slower access time of 150 nanoseconds. 2. AM29F040B-90JC: 4 megabit (512 kilobyte) flash memory chip with a faster access time of 90 nanoseconds. 3. M27C256B-12F1: 256 kilobit (32 kilobyte) EPROM chip with a similar access time of 120 nanoseconds