AT27C256R-12TI

Product Overview

Category

AT27C256R-12TI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT27C256R-12TI has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a speed of 120 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Reliable: It offers high endurance and data retention capabilities.

Package

The AT27C256R-12TI is available in a standard 28-pin dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT27C256R-12TI is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin DIP

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
12. CE
13. WE
14. I/O0
15. I/O1
16. I/O2
17. I/O3
18. I/O4
19. I/O5
20. VCC
21. GND
22. NC
23. A8
24. A9
25. A11
26. A10
27. /PGM
28. /BYTE

Functional Features

• Easy integration: The AT27C256R-12TI can be easily integrated into various electronic systems.
• High-speed operation: It offers fast access times, enabling efficient data retrieval.
• Low power consumption: The device is designed to minimize power usage, making it suitable for battery-powered applications.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss.

Advantages and Disadvantages

Advantages

• Non-volatile storage
• High capacity
• Fast access time
• Low power consumption
• Reliable data retention

Disadvantages

• Limited rewrite capability (typically one-time programmable)

Working Principles

The AT27C256R-12TI utilizes a technology called electrically erasable programmable read-only memory (EEPROM). It stores data using floating-gate transistors that can be electrically programmed and erased. The stored data can be accessed by sending appropriate signals to the memory address and control pins.

Detailed Application Field Plans

The AT27C256R-12TI finds applications in various fields, including: 1. Embedded systems 2. Automotive electronics 3. Industrial control systems 4. Consumer electronics 5. Communication devices

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a different package type (DIP)
2. AT29C256-90JC: Higher access speed (90 nanoseconds) with a different package type (PLCC)
3. AT27C512R-45PU: Double the capacity (512 kilobits) with a different package type (DIP)

These alternative models offer similar functionality and can be considered as replacements for the AT27C256R-12TI based on specific requirements.

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