AT27C512R-55TC

Product Overview

Category

AT27C512R-55TC belongs to the category of programmable read-only memory (PROM) chips.

Use

This product is primarily used for storing and retrieving data in electronic devices. It provides non-volatile memory storage, meaning that the stored data remains even when power is turned off.

Characteristics

• Non-volatile memory
• High storage capacity
• Fast access times
• Reliable and durable

Package

AT27C512R-55TC is available in a standard 28-pin dual in-line package (DIP).

Essence

The essence of AT27C512R-55TC lies in its ability to store large amounts of data reliably and provide fast access times.

Packaging/Quantity

This product is typically packaged in tubes or trays, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Capacity: 512 kilobits (64 kilobytes)
• Operating Voltage: 5V
• Access Time: 55 nanoseconds
• Organization: 64K x 8 bits
• Erase/Write Cycle Endurance: 10,000 cycles
• Data Retention: 20 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. /CE (Chip Enable)
14. VCC (+5V Power Supply)
15. NC (No Connection)
16. DQ0 (Data Output Bit 0)
17. DQ1 (Data Output Bit 1)
18. DQ2 (Data Output Bit 2)
19. DQ3 (Data Output Bit 3)
20. DQ4 (Data Output Bit 4)
21. DQ5 (Data Output Bit 5)
22. DQ6 (Data Output Bit 6)
23. DQ7 (Data Output Bit 7)
24. VSS (Ground)
25. A8
26. A9
27. A11
28. A13

Functional Features

• High-speed access: The AT27C512R-55TC offers fast access times, allowing for efficient data retrieval.
• Non-volatile storage: The stored data remains intact even when power is turned off, ensuring data integrity.
• Easy integration: The chip can be easily integrated into various electronic devices due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages

• Large storage capacity: With a capacity of 512 kilobits, this chip can store a significant amount of data.
• Fast access times: The 55 nanosecond access time ensures quick retrieval of stored information.
• Reliable and durable: The AT27C512R-55TC is known for its reliability and durability, making it suitable for long-term use.

Disadvantages

• Lack of reprogrammability: Unlike some other memory chips, the AT27C512R-55TC cannot be reprogrammed once the data has been written.

Working Principles

The AT27C512R-55TC operates based on the principle of electrical charge trapping. When data is written to the chip, electrical charges are trapped in specific memory cells, representing the stored information. During read operations, these charges are detected and converted back into usable data.

Detailed Application Field Plans

The AT27C512R-55TC finds applications in various fields, including: 1. Embedded systems: It is commonly used in embedded systems to store firmware, configuration data, and lookup tables. 2. Consumer electronics: This chip can be found in devices such as gaming consoles, set-top boxes, and audio players for storing system software and user data. 3. Automotive industry: It is utilized in automotive applications for storing critical data like calibration parameters, firmware, and diagnostic information.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT27C512R-55TC include: - AT28C64B-15PU: 64 kilobit parallel EEPROM with a 150 nanosecond access time. - AM29F040B-90JC: 4 megabit flash memory with a 90 nanosecond access time. - M27C256B-12F1: 256 kilobit EPROM with a 120 nanosecond access time.

These alternative models provide different storage capacities, access times, and technologies, allowing users to choose the most suitable option for their specific requirements.

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