AT27C516-45VI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C516-45VI is a programmable read-only memory (PROM) IC. It is commonly used for storing fixed data or program code that needs to be non-volatile and cannot be modified.

Characteristics: - Non-volatile memory - High storage capacity - Fast access time - Low power consumption

Package: The AT27C516-45VI is available in a 40-pin DIP (Dual In-line Package) format, which is a common package type for integrated circuits.

Essence: The essence of the AT27C516-45VI is its ability to store large amounts of data permanently, even when power is removed. This makes it ideal for applications where the stored information should not be lost or modified.

Packaging/Quantity: The AT27C516-45VI is typically sold in tubes or trays containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 512 kilobits (64 kilobytes)
• Access Time: 45 nanoseconds
• Operating Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: More than 20 years

Pin Configuration

The AT27C516-45VI has a total of 40 pins. Here is the 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. A16 - Address Input
18. A17 - Address Input
19. A18 - Address Input
20. VPP - Programming Voltage Supply
21. NC - No Connection
22. GND - Ground
23. Q0 - Data Output
24. Q1 - Data Output
25. Q2 - Data Output
26. Q3 - Data Output
27. Q4 - Data Output
28. Q5 - Data Output
29. Q6 - Data Output
30. Q7 - Data Output
31. Q8 - Data Output
32. Q9 - Data Output
33. Q10 - Data Output
34. Q11 - Data Output
35. Q12 - Data Output
36. Q13 - Data Output
37. Q14 - Data Output
38. Q15 - Data Output
39. VCC - Power Supply
40. NC - No Connection

Functional Features

The AT27C516-45VI offers the following functional features:

• Easy programming: The IC can be programmed using standard PROM programming equipment.
• Non-volatile storage: The stored data is retained even when power is removed.
• High-speed access: The IC provides fast access times, allowing for efficient retrieval of data.

Advantages and Disadvantages

Advantages: - Large storage capacity - Non-volatile memory - Fast access time - Low power consumption

Disadvantages: - Cannot be modified once programmed - Limited endurance (number of write cycles)

Working Principles

The AT27C516-45VI uses a technology called floating-gate MOS (Metal-Oxide-Semiconductor) to store data. The programming process involves applying a high voltage to the control gate, which traps charge in the floating gate. This trapped charge represents the programmed data and can be read back later.

Detailed Application Field Plans

The AT27C516-45VI is commonly used in various applications, including:

1. Embedded Systems: The IC can store program code for microcontrollers or other embedded devices.
2. Automotive Electronics: It can be used for storing firmware or configuration data in automotive electronic systems.
3. Industrial Control Systems: The IC can store fixed data or lookup tables used in industrial control systems.
4. Consumer Electronics: It can be used in devices such as gaming consoles, set-top boxes, or digital cameras for storing firmware or data.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT27C516-45VI include:

1. AT28C64B-15PU: 64 kilobit (8 kilobyte) EEPROM IC with a 150 nanosecond access time.
2. AM29F040B-90JC: 4 megabit (