IDT71256L25Y8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power consumption
• Package: 28-pin DIP (Dual In-line Package)
• Essence: Non-volatile memory storage
• Packaging/Quantity: Available in tubes of 25 or reels of 500

Specifications

• Memory Type: Static Random Access Memory (SRAM)
• Density: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 25 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 50 microamps (maximum)
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The IDT71256L25Y8 has a total of 28 pins. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A14)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Power Supply (+5V)
7. Ground (GND)

Functional Features

• High-speed operation allows for quick data access.
• Low power consumption makes it suitable for battery-powered devices.
• Non-volatile memory retains data even when power is disconnected.
• Easy integration with other ICs due to standard pin configuration.

Advantages and Disadvantages

Advantages

• Fast access time improves overall system performance.
• Low power consumption extends battery life.
• Non-volatile memory ensures data integrity during power interruptions.
• Standard pin configuration simplifies integration into existing designs.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Relatively high cost per kilobit compared to other memory options.
• Requires a 5-volt power supply, which may not be compatible with all systems.

Working Principles

The IDT71256L25Y8 is based on static random access memory (SRAM) technology. It stores data in a volatile manner, meaning that it requires a continuous power supply to retain information. The chip uses a combination of transistors and capacitors to store and retrieve data quickly.

Detailed Application Field Plans

The IDT71256L25Y8 is commonly used in various applications, including:

1. Computer systems: Used as cache memory or for temporary storage.
2. Communication devices: Provides fast data buffering and storage.
3. Industrial control systems: Stores critical data for real-time operations.
4. Automotive electronics: Used for storing configuration settings and data logging.

Alternative Models

Here are some alternative models that offer similar functionality:

1. IDT71256SA: Same capacity and speed, but operates at 3.3 volts.
2. AT28C256: EEPROM (Electrically Erasable Programmable Read-Only Memory) alternative with non-volatile storage.
3. CY62256: Low-power SRAM option with similar specifications.

These alternatives can be considered based on specific requirements and compatibility with the target system.

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