DS1746-70IND+ - English Editing Encyclopedia Entry

Product Overview

Category

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

Use

This product is commonly used for data storage in applications where volatile memory is not suitable due to power loss or system shutdowns. The DS1746-70IND+ provides reliable and non-volatile storage capabilities.

Characteristics

• Non-volatile: Retains data even when power is lost.
• Static RAM: Provides fast read and write access times.
• Integrated Circuit: Compact and easily integrated into electronic systems.

Package

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

Essence

The essence of the DS1746-70IND+ lies in its ability to combine the benefits of non-volatile memory with the speed and convenience of static RAM, making it an ideal choice for critical data storage applications.

Packaging/Quantity

The DS1746-70IND+ is typically packaged in reels containing 1000 units per reel.

Specifications

• Operating Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 16 kilobits (2 kilobytes)
• Access Time: 70 nanoseconds
• Data Retention: Minimum 10 years

Detailed Pin Configuration

1. VCC - Power Supply
2. GND - Ground
3. CE - Chip Enable
4. OE - Output Enable
5. WE - Write Enable
6. A0-A10 - Address Inputs
7. DQ0-DQ7 - Data Inputs/Outputs
8. RST - Reset
9. NC - No Connection
10. VBAT - Battery Input

Functional Features

• Non-volatile data storage
• Fast read and write access times
• Low power consumption
• Automatic power-fail chip deselect
• Software write protection
• High reliability and endurance

Advantages and Disadvantages

Advantages

• Retains data even during power loss or system shutdowns
• Provides fast and reliable data access
• Compact and easily integrated into electronic systems
• Offers software write protection for added security

Disadvantages

• Limited memory size (16 kilobits)
• Relatively higher cost compared to volatile memory options

Working Principles

The DS1746-70IND+ utilizes a combination of non-volatile memory cells and static RAM technology. When power is applied, the device operates as a standard static RAM, allowing fast read and write operations. In the event of a power loss, an internal battery backup ensures that the data remains intact in the non-volatile memory cells. Upon power restoration, the device resumes normal operation, providing seamless data access.

Detailed Application Field Plans

The DS1746-70IND+ finds applications in various fields where reliable and non-volatile data storage is crucial. Some potential application areas include:

1. Industrial Control Systems: Used for storing critical configuration data and logs in industrial automation systems.
2. Medical Devices: Ensures data integrity in medical equipment, such as patient monitoring systems and diagnostic devices.
3. Automotive Electronics: Provides non-volatile storage for vehicle control units, enabling reliable operation and data retention.
4. Power Grid Infrastructure: Utilized in smart grid systems for storing real-time data and power usage information.
5. Aerospace and Defense: Used in avionics and military systems for secure and reliable data storage.

Detailed and Complete Alternative Models

1. DS1234-70IND+: Similar to DS1746-70IND+, but with a larger memory size of 64 kilobits.
2. DS2468-70IND+: Offers the same functionality as DS1746-70IND+, but with extended temperature range (-55°C to +125°C).
3. DS3812-70IND+: Provides higher endurance and faster access times compared to DS1746-70IND+, suitable for demanding applications.

In conclusion, the DS1746-70IND+ is a non-volatile static RAM integrated circuit that combines the benefits of non-volatile memory with the speed and convenience of static RAM. With its reliable data storage capabilities, fast access times, and compact design, it finds applications in various industries where data integrity is critical.