Encyclopedia Entry: 71256L25DB

Product Overview

Category

The 71256L25DB belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in electronic devices for data storage and retrieval purposes.

Characteristics

• Integrated circuit type: Memory chip
• Storage capacity: 71256 bits
• Operating voltage: 2.5V
• Package type: DIP (Dual In-line Package)
• Package dimensions: Length: 25mm, Width: 7mm
• Packaging/Quantity: Each package contains one 71256L25DB memory chip

Specifications

• Memory organization: 256 words x 8 bits
• Access time: 150 nanoseconds
• Data retention: Up to 10 years
• Operating temperature range: -40°C to +85°C
• Pin count: 28 pins

Detailed Pin Configuration

The 71256L25DB has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply voltage
2. A0-A7: Address inputs
3. CE: Chip enable input
4. OE: Output enable input
5. WE: Write enable input
6. I/O0-I/O7: Data input/output lines
7. NC: No connection (unused pin)

Functional Features

• High-speed access: The 71256L25DB offers fast data access with an access time of 150 nanoseconds.
• Low power consumption: This memory chip operates at a low voltage of 2.5V, resulting in reduced power consumption.
• Reliable data retention: With a data retention period of up to 10 years, this chip ensures long-term storage reliability.
• Easy integration: The DIP package allows for easy integration into various electronic devices.

Advantages and Disadvantages

Advantages: - Fast access time for efficient data retrieval. - Low power consumption, making it suitable for battery-powered devices. - Reliable data retention ensures data integrity over an extended period. - Easy integration due to the DIP package.

Disadvantages: - Limited storage capacity compared to modern memory chips. - Relatively larger package size compared to surface-mount packages.

Working Principles

The 71256L25DB operates based on the principles of semiconductor memory technology. It utilizes a combination of transistors and capacitors to store and retrieve digital data. The address inputs are used to select specific memory locations, while the control inputs (CE, OE, WE) determine the read or write operations.

Detailed Application Field Plans

The 71256L25DB is commonly used in various electronic devices that require non-volatile data storage, such as: - Microcontrollers - Embedded systems - Industrial automation equipment - Communication devices

Detailed and Complete Alternative Models

Some alternative models with similar specifications and functionality to the 71256L25DB include: - 71256S25DB: Same specifications but with a faster access time of 25 nanoseconds. - 71256L35DB: Same specifications but with a higher storage capacity of 35,256 bits.

In conclusion, the 71256L25DB is a memory chip belonging to the category of integrated circuits. It offers fast access, low power consumption, and reliable data retention. With its easy integration and suitability for various applications, it serves as a crucial component in electronic devices requiring non-volatile data storage.

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