Encyclopedia Entry: 71256SA20TPGI

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, non-volatile, random access memory
• Package: Surface mount technology (SMT)
• Essence: Stores and retrieves digital information in electronic devices
• Packaging/Quantity: Typically sold in reels or trays containing multiple chips

Specifications

• Type: Static Random Access Memory (SRAM)
• Capacity: 71256 bits (8 kilobytes)
• Organization: 32K x 8 bits
• Access Time: 20 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 71256SA20TPGI IC 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 and retrieval.
• Non-volatile memory retains stored data even when power is removed.
• Random access capability enables direct addressing of specific memory locations.
• Low power consumption ensures efficient operation in various electronic devices.

Advantages and Disadvantages

Advantages: - Fast access time enhances overall system performance. - Non-volatile nature ensures data integrity during power cycles. - Random access feature allows for flexible data manipulation. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Relatively higher cost per bit compared to larger memory chips. - Susceptible to electromagnetic interference (EMI) due to its high-speed operation.

Working Principles

The 71256SA20TPGI is based on static random access memory technology. It utilizes flip-flops to store each bit of data, which eliminates the need for constant refreshing. When powered on, the chip initializes and waits for commands from the controlling device. The chip enables reading or writing operations based on the control signals received.

Detailed Application Field Plans

The 71256SA20TPGI memory chip finds applications in various electronic devices, including: 1. Personal Computers (PCs) 2. Servers and Workstations 3. Networking Equipment 4. Industrial Control Systems 5. Automotive Electronics 6. Consumer Electronics

Detailed and Complete Alternative Models

• 6116SA20TPGI: 2K x 8-bit SRAM with a 20 ns access time.
• 6264SA20TPGI: 8K x 8-bit SRAM with a 20 ns access time.
• 62256SA20TPGI: 32K x 8-bit SRAM with a 20 ns access time.
• 628128SA20TPGI: 128K x 8-bit SRAM with a 20 ns access time.

These alternative models offer different storage capacities while maintaining the same access time as the 71256SA20TPGI.

In conclusion, the 71256SA20TPGI is a high-speed, non-volatile memory chip used in various electronic devices. Its functional features, advantages, and disadvantages make it suitable for specific applications. Additionally, alternative models provide flexibility in terms of storage capacity.