AT27C256R-15TI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27C256R-15TI is a high-performance, low-power, 256K (32K x 8) Electrically Erasable Programmable Read-Only Memory (EEPROM) IC. It is designed to store and retrieve data in various electronic devices.

Characteristics: - High performance - Low power consumption - Non-volatile memory - Fast read and write operations - Reliable data retention - Easy to integrate into electronic systems

Package: The AT27C256R-15TI comes in a small form factor package, making it suitable for space-constrained applications. It is available in a Thin Small Outline Package (TSOP) with 28 pins.

Essence: The essence of the AT27C256R-15TI lies in its ability to provide non-volatile storage for electronic devices, allowing them to retain data even when powered off.

Packaging/Quantity: The AT27C256R-15TI is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 256K (32K x 8)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 150ns
• Standby Current: 100μA (max)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years (minimum)

Pin Configuration

The AT27C256R-15TI has a total of 28 pins, each serving a specific purpose. Here is a 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. VSS - Ground
10. A8 - Address Input
11. A9 - Address Input
12. A10 - Address Input
13. OE - Output Enable
14. CE - Chip Enable
15. WE - Write Enable
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. VCC - Power Supply
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

The AT27C256R-15TI offers the following functional features:

• High-speed access: The IC provides fast read and write operations, allowing for efficient data retrieval and storage.
• Low power consumption: It is designed to minimize power usage, making it suitable for battery-powered devices.
• Non-volatile memory: The stored data remains intact even when power is removed, ensuring reliable data retention.
• Easy integration: The IC can be easily integrated into various electronic systems due to its compact size and standard pin configuration.

Advantages and Disadvantages

Advantages: - High performance and reliability - Low power consumption - Non-volatile memory - Easy integration into electronic systems

Disadvantages: - Limited storage capacity (256K) - Relatively slower access time compared to some modern memory technologies

Working Principles

The AT27C256R-15TI utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs a technique called electrically erasable programmable read-only memory (EEPROM), which allows for both reading and writing operations. The IC uses address inputs to select specific memory locations and control signals to enable read or write operations.

Detailed Application Field Plans

The AT27C256R-15TI finds applications in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and handheld gaming devices for storing firmware, configuration settings, and user data.
2. Automotive Systems: Employed in automotive electronics for storing critical data such as engine parameters, vehicle diagnostics, and firmware updates.
3. Industrial Control Systems: Utilized in industrial automation systems for storing program code, configuration data, and historical logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

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