IDT71256SA25TPI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory chip
• Characteristics: High-speed, low-power consumption
• Package: 28-pin Plastic Dual In-Line Package (PDIP)
• Essence: Static Random Access Memory (SRAM)
• Packaging/Quantity: Tray packaging, quantity varies

Specifications

• Organization: 32K x 8 bits
• Voltage Supply: 4.5V to 5.5V
• Access Time: 25ns
• Operating Temperature: -40°C to +85°C
• Standby Current: 10µA (typical)
• Data Retention: 10 years (minimum)

Detailed Pin Configuration

The IDT71256SA25TPI 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 fast data access.
• Low-power consumption makes it suitable for battery-powered devices.
• Non-volatile storage ensures data retention even when power is lost.
• Easy integration with other components due to standard pin configuration.

Advantages and Disadvantages

Advantages: - Fast access time improves overall system performance. - Low standby current reduces power consumption. - Compact package size saves board space. - Reliable data retention ensures data integrity.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Relatively higher cost per bit compared to larger memory chips. - Sensitivity to electromagnetic interference (EMI) may require additional shielding.

Working Principles

The IDT71256SA25TPI is a static random access memory (SRAM) chip. It stores data using flip-flop circuits, which retain information as long as power is supplied. The chip uses address inputs to select specific memory locations and read/write operations are controlled by the chip enable, output enable, and write enable signals.

Detailed Application Field Plans

The IDT71256SA25TPI is commonly used in various electronic devices that require fast and reliable data storage. Some application fields include:

1. Computer Systems: Used as cache memory or for storing critical system data.
2. Communication Equipment: Utilized for buffering and temporary data storage.
3. Industrial Control Systems: Employed for storing real-time data and program code.
4. Automotive Electronics: Used in engine control units, infotainment systems, etc.
5. Medical Devices: Utilized for data logging, patient monitoring, and equipment control.

Detailed and Complete Alternative Models

1. IDT71256SA15TPG: Similar specifications but with a 15ns access time.
2. IDT71256SA35TPG: Similar specifications but with a 35ns access time.
3. IDT71256SA70TPG: Similar specifications but with a 70ns access time.
4. IDT71256SA120TPG: Similar specifications but with a 120ns access time.

These alternative models offer different access times to cater to specific speed requirements in various applications.

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