AT27C516-55VC

Product Overview

Category

AT27C516-55VC 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 AT27C516-55VC remains intact even when power is removed.
• High storage capacity: This chip has a 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: AT27C516-55VC operates efficiently with low power requirements.

Package

The AT27C516-55VC chip is available in a 28-pin dual in-line package (DIP), which is a common packaging format for integrated circuits.

Essence

The essence of AT27C516-55VC lies in its ability to provide non-volatile storage of data, making it suitable for applications that require permanent data retention.

Packaging/Quantity

AT27C516-55VC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Capacity: 512 kilobits
• Access Time: 55 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin DIP

Detailed Pin Configuration

1. A14
2. A12
3. A7
4. A6
5. A5
6. A4
7. A3
8. A2
9. A1
10. A0
11. /OE (Output Enable)
12. /CE (Chip Enable)
13. VSS (Ground)
14. D7
15. D6
16. D5
17. D4
18. D3
19. D2
20. D1
21. D0
22. /WE (Write Enable)
23. NC (No Connection)
24. VCC (Power Supply)
25. A8
26. A9
27. A11
28. A13

Functional Features

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

Advantages and Disadvantages

Advantages

• Permanent data storage: Data written to AT27C516-55VC cannot be modified or erased, ensuring the integrity of stored information.
• Fast access time: The chip allows for quick retrieval of data, enhancing overall system performance.
• Low power consumption: AT27C516-55VC operates efficiently with minimal power requirements.

Disadvantages

• Lack of flexibility: Once programmed, the data stored in AT27C516-55VC cannot be changed, limiting its adaptability to evolving needs.
• Limited capacity: With a capacity of 512 kilobits, this chip may not be suitable for applications requiring larger storage capacities.

Working Principles

AT27C516-55VC utilizes a technology known as electrically programmable read-only memory (EPROM). This type of memory is programmed by applying specific electrical voltages to the chip's pins, which alters the state of individual memory cells. Once programmed, the data remains stored in the chip until it is physically replaced.

Detailed Application Field Plans

AT27C516-55VC finds applications in various fields, including: 1. Embedded systems: It can be used to store firmware or configuration data in microcontrollers and other embedded devices. 2. Automotive electronics: The chip can be employed for storing critical data in automotive control units, such as engine management systems. 3. Industrial automation: AT27C516-55VC can be utilized in industrial control systems to store calibration data or program code.

Detailed and Complete Alternative Models

1. AT27C010-70PU: This chip offers a capacity of 1 megabit and operates at an access time of 70 nanoseconds.
2. AT27C040-90PU: With a capacity of 4 megabits and an access time of 90 nanoseconds, this chip provides higher storage capabilities.
3. AT27LV010A-12JC: This low-voltage variant offers a capacity of 1 megabit and operates at an access time of 12 nanoseconds.

These alternative models provide different capacities and access times, allowing users to choose the most suitable option based