AT27C512R-45TC

Product Overview

Category

AT27C512R-45TC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is commonly used for storing permanent data or code that needs to be retained even when power is turned off. It is widely utilized in various electronic devices such as computers, microcontrollers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even without power supply.
• Programmable: The memory can be written or programmed with specific data or code.
• Read-only: Once programmed, the data cannot be modified or erased.

Package

AT27C512R-45TC is available in a standard 32-pin dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide non-volatile storage for critical data or code in electronic systems.

Packaging/Quantity

AT27C512R-45TC is typically packaged in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Access Time: 45 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 10 years

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. /WE (Write Enable)
13. VSS (Ground)
14. NC (No Connection)
15. DQ0
16. DQ1
17. DQ2
18. DQ3
19. DQ4
20. DQ5
21. DQ6
22. DQ7
23. VCC (Supply Voltage)
24. A8
25. A9
26. A11
27. A10
28. /CE (Chip Enable)
29. /PGM (Program)
30. /BYTE (Byte/Word Organization)
31. NC (No Connection)
32. A13

Functional Features

• High-speed access: The 45 nanosecond access time ensures quick retrieval of data.
• Low power consumption: AT27C512R-45TC operates efficiently with low power requirements.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even without power supply.
• Reliable performance: The chip offers high-quality and consistent performance.
• Wide compatibility: Compatible with various electronic devices and systems.

Disadvantages

• Limited reprogrammability: Once programmed, the data cannot be modified or erased, limiting flexibility.
• Relatively small memory capacity: With a capacity of 512 kilobits, it may not be suitable for applications requiring larger storage.

Working Principles

AT27C512R-45TC utilizes a technology called electrically programmable read-only memory (EPROM). It consists of a grid of memory cells that can be individually programmed by applying specific voltages to the control pins. Once programmed, the data is stored in the memory cells and can be accessed as needed.

Detailed Application Field Plans

AT27C512R-45TC finds application in various fields, including: 1. Embedded systems: Used for storing firmware or boot code in microcontrollers. 2. Computer peripherals: Employed for storing device drivers or configuration data. 3. Industrial automation: Utilized for storing critical control algorithms or parameter settings. 4. Automotive electronics: Used in engine control units (ECUs) and other automotive systems for permanent data storage.

Detailed and Complete Alternative Models

1. AT27C256R-45TC: A similar PROM chip with a capacity of 256 kilobits.
2. AT27C010-45TC: A larger capacity PROM chip with 1 megabit storage.
3. AT28C64B-15PU: An electrically erasable programmable read-only memory (EEPROM) chip with 64 kilobits capacity.

These alternative models offer different capacities and features, providing flexibility based on specific application requirements.

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