Encyclopedia Entry: 71V256SA20PZG8

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 71V256SA20PZG8 is a high-speed, low-power, 256K x 8-bit CMOS static random access memory (SRAM) IC. It is designed for use in various electronic devices and systems that require fast and reliable data storage and retrieval.

Characteristics: - High-speed operation - Low power consumption - Non-volatile data retention - Easy interfacing with other digital circuits - Wide operating voltage range - Small form factor

Package: The 71V256SA20PZG8 is available in a 32-pin plastic small outline integrated circuit (SOIC) package.

Essence: This IC serves as a key component in electronic devices and systems, providing temporary data storage capabilities for efficient processing and execution of tasks.

Packaging/Quantity: The 71V256SA20PZG8 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Organization: 256K x 8 bits
• Supply Voltage: 3.0V - 3.6V
• Access Time: 20 ns
• Standby Current: 10 μA (typical)
• Operating Temperature Range: -40°C to +85°C
• Data Retention Voltage: 2.0V (min)
• Package Type: SOIC-32

Detailed Pin Configuration

The 71V256SA20PZG8 features a total of 32 pins, each serving a specific function. Here is a detailed pin configuration:

1. A0-A17: Address Inputs
2. DQ0-DQ7: Data Inputs/Outputs
3. CE1, CE2: Chip Enable Inputs
4. OE: Output Enable Input
5. WE: Write Enable Input
6. VCC: Power Supply (+3.0V to +3.6V)
7. GND: Ground (0V)

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low power consumption ensures efficient energy usage.
• Non-volatile data retention ensures that stored information is preserved even when power is disconnected.
• Easy interfacing with other digital circuits simplifies integration into various systems.
• Wide operating voltage range provides flexibility in different applications.
• Small form factor enables space-saving designs.

Advantages and Disadvantages

Advantages: - Fast access time improves overall system performance. - Low power consumption prolongs battery life in portable devices. - Non-volatile data retention ensures data integrity during power cycles. - Easy interfacing simplifies system integration. - Wide operating voltage range accommodates different power supply configurations. - Small form factor allows for compact device designs.

Disadvantages: - Limited storage capacity compared to larger memory ICs. - Relatively higher cost per bit compared to some alternative memory technologies. - Susceptible to electromagnetic interference (EMI) due to its CMOS nature.

Working Principles

The 71V256SA20PZG8 operates based on the principles of static random access memory (SRAM). It utilizes flip-flops to store and retrieve data. When powered, the IC maintains the stored data as long as the power supply remains stable. The address inputs are used to select specific memory locations, while the control inputs (CE1, CE2, OE, and WE) determine the read or write operations.

Detailed Application Field Plans

The 71V256SA20PZG8 finds application in various electronic devices and systems, including but not limited to: - Personal computers - Networking equipment - Telecommunications devices - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. 71V256SA10PHG8: Similar to the 71V256SA20PZG8, but with a faster access time of 10 ns.
2. 71V512SA20PHG8: A higher-capacity variant with 512K x 8-bit organization.
3. 71V128SA20PHG8: A lower-capacity variant with 128K x 8-bit organization.

These alternative models offer different specifications and may better suit specific application requirements.

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