AT27C516-55VI

Product Overview

Category

AT27C516-55VI 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 used in applications where non-volatile memory is required.

Characteristics

• Non-volatile: The data stored in AT27C516-55VI remains intact even when power is turned off.
• High storage capacity: This chip has a storage capacity of 512 kilobits, allowing it to store a large amount of data.
• Fast access time: With an access time of 55 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: AT27C516-55VI operates on low power, making it suitable for battery-powered devices.

Package

AT27C516-55VI is available in a 40-pin DIP (Dual In-line Package) format.

Essence

The essence of AT27C516-55VI lies in its ability to provide non-volatile memory storage with high capacity and fast access times.

Packaging/Quantity

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

Specifications

• Storage Capacity: 512 kilobits
• Access Time: 55 nanoseconds
• Operating Voltage: 5 volts
• Package Type: 40-pin DIP

Detailed Pin Configuration

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. CE - Chip Enable Input
18. OE - Output Enable Input
19. WE - Write Enable Input
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. VCC - Power Supply
29. GND - Ground

Functional Features

• Non-volatile storage: AT27C516-55VI retains data even when power is disconnected.
• High-speed access: The chip provides quick access to stored information with an access time of 55 nanoseconds.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and package type.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity.
• 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

• Data cannot be modified or erased once programmed.
• Limited write cycles compared to other types of memory.

Working Principles

AT27C516-55VI operates based on the principle of electrical programming. Once programmed, the data remains stored in the memory cells until a new programming operation is performed. The chip uses a combination of address inputs, control signals, and data inputs/outputs to read or write data.

Detailed Application Field Plans

AT27C516-55VI 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 AT27C516-55VI include: 1. AT28C64B-15PU: 64 kilobit EEPROM chip with a 150 nanosecond access time. 2. AM29F040B-90JC: 4 megabit flash memory chip with a 90 nanosecond access time. 3. M27C256B-12F1: 256 kilobit EPROM chip with a 120 nanosecond access time.

These alternative models offer different storage capacities, access times, and features, providing flexibility for various application requirements.

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