DS1746-70+ English Editing Encyclopedia Entry

Product Overview

Category

The DS1746-70+ belongs to the category of non-volatile static RAM (NVSRAM) integrated circuits.

Use

It is commonly used as a memory storage device in various electronic systems and applications.

Characteristics

• Non-volatile: Retains data even when power is disconnected.
• Static RAM: Provides fast read and write access times.
• Integrated Circuit: Compact and easily integrated into electronic systems.
• High reliability: Ensures data integrity and long-term storage.

Package

The DS1746-70+ is available in a standard 28-pin DIP (Dual Inline Package).

Essence

The essence of the DS1746-70+ lies in its ability to combine the benefits of non-volatile memory with the speed and versatility of static RAM.

Packaging/Quantity

The DS1746-70+ is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Operating Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 16 kilobits (2K x 8)
• Access Time: 70 nanoseconds
• Data Retention: Over 10 years
• Write Endurance: 1 million cycles

Detailed Pin Configuration

The DS1746-70+ has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VCC: Power supply voltage
2. GND: Ground reference
3. CE: Chip enable
4. OE: Output enable
5. WE: Write enable
6. A0-A10: Address inputs
7. DQ0-DQ7: Data input/output
8. RST: Reset input
9. NC: No connection

Functional Features

• Non-volatile storage: Retains data even during power loss or system shutdown.
• Fast access time: Allows for quick read and write operations.
• Low power consumption: Optimized for energy efficiency.
• Automatic store on power loss: Ensures data integrity during unexpected power interruptions.
• Hardware write protection: Prevents accidental modification of stored data.

Advantages and Disadvantages

Advantages

• Reliable non-volatile memory solution
• Fast access times for efficient data retrieval
• Low power consumption for energy-efficient operation
• Automatic store on power loss ensures data integrity
• Hardware write protection prevents accidental data modification

Disadvantages

• Limited memory size (16 kilobits)
• Higher cost compared to traditional volatile RAM

Working Principles

The DS1746-70+ combines the principles of static RAM and non-volatile memory. It utilizes a small onboard battery to provide backup power, allowing it to retain data even when the main power source is disconnected. The device uses a combination of volatile and non-volatile storage elements to achieve fast access times and reliable data retention.

Detailed Application Field Plans

The DS1746-70+ finds applications in various fields, including but not limited to:

1. Industrial automation systems
2. Automotive electronics
3. Medical devices
4. Communication equipment
5. Aerospace and defense systems

In these applications, the DS1746-70+ serves as a reliable and efficient memory storage solution, ensuring data integrity and providing fast access to critical information.

Detailed and Complete Alternative Models

1. DS1234-80+: Similar to DS1746-70+, but with higher memory capacity (32 kilobits).
2. DS2567-60+: Offers lower access time (60 nanoseconds) while maintaining the same memory size as DS1746-70+.
3. DS5128-90+: Provides higher memory capacity (64 kilobits) with a slightly slower access time (90 nanoseconds).

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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