AT27LV520-70XC

Product Overview

Category

The AT27LV520-70XC 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 stored and cannot be modified. It is commonly used in various electronic devices such as computers, mobile phones, and automotive systems.

Characteristics

• Non-volatile memory: The AT27LV520-70XC retains data even when power is turned off.
• High storage capacity: This chip has a storage capacity of 520 kilobits.
• Fast access time: With an access time of 70 nanoseconds, it provides quick retrieval of stored data.
• Low power consumption: The AT27LV520-70XC operates at low power levels, making it energy-efficient.
• Wide operating voltage range: It can operate within a voltage range of 2.7V to 5.5V.

Package

The AT27LV520-70XC is available in a compact and durable package, ensuring its protection from external elements and physical damage.

Essence

The essence of the AT27LV520-70XC lies in its ability to store data permanently and provide fast access to the stored information.

Packaging/Quantity

This chip is typically packaged individually or in reels, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities of 25 or 50 units.

Specifications

• Storage Capacity: 520 kilobits
• Access Time: 70 nanoseconds
• Operating Voltage Range: 2.7V to 5.5V
• Package Type: DIP (Dual In-line Package)
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27LV520-70XC has a total of 32 pins, which are configured 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. /OE - Output Enable
18. /CE - Chip Enable
19. DQ0 - Data Output/Input
20. DQ1 - Data Output/Input
21. DQ2 - Data Output/Input
22. DQ3 - Data Output/Input
23. DQ4 - Data Output/Input
24. DQ5 - Data Output/Input
25. DQ6 - Data Output/Input
26. DQ7 - Data Output/Input
27. VCC - Power Supply
28. GND - Ground
29. NC - No Connection
30. NC - No Connection
31. /WE - Write Enable
32. /RP - Reset/Program

Functional Features

• Permanent data storage: The AT27LV520-70XC allows for the permanent storage of data, ensuring its retention even when power is turned off.
• Fast access time: With an access time of 70 nanoseconds, this chip enables quick retrieval of stored information.
• Low power consumption: The chip operates at low power levels, making it suitable for energy-efficient devices.
• Wide operating voltage range: It can operate within a voltage range of 2.7V to 5.5V, providing flexibility in various electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High storage capacity for storing large amounts of data.
• Fast access time allows for quick retrieval of information.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range provides compatibility with different systems.

Disadvantages

• Data cannot be modified once programmed.
• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory chips.

Working Principles

The AT27LV520-70XC operates based on the principles of programmable read-only memory. It uses a series of address inputs to locate specific memory locations and retrieve stored data. The chip is designed to retain data even when power is turned off, making it suitable for applications that require permanent storage.

Detailed Application Field Plans

The AT27LV520-70XC finds application in various fields, including: 1. Computer systems: Used for storing firmware, BIOS, and other critical system data. 2. Mobile devices: Used for storing bootloaders, device drivers, and other essential software components