IDT71256L20Y8

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 units or reels of 1,000 units

Specifications

• Memory Type: Static Random Access Memory (SRAM)
• Density: 256 kilobits (32 kilobytes)
• Organization: 32,768 words x 8 bits
• Access Time: 20 nanoseconds
• Operating Voltage: 5 volts
• Standby Current: 10 microamps
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The IDT71256L20Y8 has a total of 28 pins. The pin configuration is as follows:

___________ | | A16|1 28|Vcc A14|2 27|A12 A12|3 26|A7 A7|4 25|A6 A6|5 24|A5 A5|6 23|A4 A4|7 22|A3 A3|8 21|A2 A2|9 20|A1 A1|10 19|A0 A0|11 18|DQ7 DQ0|12 17|DQ6 DQ1|13 16|DQ5 DQ2|14 15|DQ4 |___________|

Functional Features

• High-speed access: The IDT71256L20Y8 offers a fast access time of 20 nanoseconds, allowing for quick retrieval and storage of data.
• Low-power consumption: This memory chip is designed to operate with low power requirements, making it suitable for battery-powered devices.
• Non-volatile storage: The IDT71256L20Y8 retains stored data even when the power supply is disconnected, ensuring data integrity.

Advantages and Disadvantages

Advantages: - Fast access time enables efficient data processing. - Low-power consumption prolongs battery life in portable devices. - Non-volatile storage ensures data retention.

Disadvantages: - Limited storage capacity compared to newer memory technologies. - Relatively higher cost per unit compared to other memory options.

Working Principles

The IDT71256L20Y8 is based on Static Random Access Memory (SRAM) technology. It stores data using flip-flops, which retain their state as long as power is supplied. When an address is provided, the chip retrieves the corresponding data from the memory array and outputs it through the data pins.

Detailed Application Field Plans

The IDT71256L20Y8 is commonly used in various applications that require high-speed and reliable memory storage. Some potential application fields include:

1. Computer Systems:

   • Cache memory in microprocessors
   • Buffer memory in data communication systems

2. Industrial Control Systems:

   • Programmable Logic Controllers (PLCs)
   • Robotics and automation systems

3. Consumer Electronics:

   • Gaming consoles
   • Set-top boxes
   • Printers

4. Automotive Electronics:

   • Engine control units
   • Infotainment systems

Detailed and Complete Alternative Models

1. IDT71256SA: Similar specifications, but with a lower access time of 15 nanoseconds.
2. IDT71256L25Y: Higher density variant with 32 kilobits x 8 bits organization.
3. IDT71256L15Y: Lower power consumption variant with standby current of 5 microamps.

These alternative models offer different trade-offs in terms of speed, capacity, and power consumption, allowing users to choose the most suitable option for their specific requirements.

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