AT27C516-45VC

Product Overview

Category

AT27C516-45VC belongs to the category of programmable read-only memory (PROM) chips.

Use

This chip is commonly used for storing data that needs to be permanently written and cannot be modified or erased. It finds applications in various electronic devices such as computers, microcontrollers, and embedded systems.

Characteristics

• Non-volatile: The data stored in AT27C516-45VC remains intact even when power is turned off.
• 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 45 nanoseconds, it provides quick retrieval of stored information.
• Low power consumption: AT27C516-45VC operates efficiently with low power requirements.

Package

The AT27C516-45VC chip is available in a 40-pin dual in-line package (DIP), which is a common packaging format for integrated circuits.

Essence

The essence of AT27C516-45VC lies in its ability to provide non-volatile storage of data, making it suitable for applications where permanent data storage is required.

Packaging/Quantity

AT27C516-45VC 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: 45 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 40-pin DIP

Detailed Pin Configuration

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. A12
14. A13
15. A14
16. A15
17. A16
18. A17
19. A18
20. VPP
21. NC
22. GND
23. Q0
24. Q1
25. Q2
26. Q3
27. Q4
28. Q5
29. Q6
30. Q7
31. Q8
32. Q9
33. Q10
34. Q11
35. Q12
36. Q13
37. Q14
38. Q15
39. Q16
40. VCC

Functional Features

• Non-volatile storage: AT27C516-45VC retains data even when power is disconnected.
• High-speed access: The chip provides quick retrieval of stored information with a low access time.
• Easy integration: It can be easily integrated into various electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Permanent data storage: AT27C516-45VC ensures that the stored data remains intact, making it suitable for applications where data integrity is crucial.
• Fast access time: The chip allows for quick retrieval of information, enhancing overall system performance.
• Low power consumption: It operates efficiently with minimal power requirements.

Disadvantages

• Lack of flexibility: Once programmed, the data cannot be modified or erased, limiting its use in applications requiring frequent updates.
• Limited capacity: With a capacity of 512 kilobits, it may not be suitable for applications requiring larger storage capacities.

Working Principles

AT27C516-45VC utilizes a technology known as electrically programmable read-only memory (EPROM). The data is stored in a grid of memory cells, and programming is achieved by applying electrical signals to specific address lines. Once programmed, the data remains unchanged until the chip is replaced.

Detailed Application Field Plans

AT27C516-45VC finds applications in various fields, including: 1. Computer systems 2. Microcontrollers 3. Embedded systems 4. Automotive electronics 5. Industrial control systems

Detailed and Complete Alternative Models

1. AT27C256R-45PU: 256 kilobit PROM chip with similar characteristics and package.
2. AT27C010-70PU: 1 megabit PROM chip with higher capacity and slightly slower access time.
3. AT27LV010A-12JC: 1 megabit low-voltage PROM chip with faster access time and lower power consumption.

These alternative models offer different capacities, access times, and power requirements, allowing users to choose the most suitable option for their specific application.

In conclusion, AT27C516-45VC is a programmable read-only memory chip that provides non-volatile storage of data. With its high capacity, fast access time, and low power