DS1746WP-120+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS1746WP-120+ belongs to the category of non-volatile static RAM (NVSRAM) integrated circuits.

Use

This product is commonly used for applications that require both non-volatile data storage and high-speed read/write operations.

Characteristics

• Non-volatile: The DS1746WP-120+ retains data even when power is lost.
• High-speed operation: It offers fast read and write access times.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The DS1746WP-120+ is available in a compact 28-pin DIP (Dual Inline Package) format.

Essence

The essence of the DS1746WP-120+ lies in its ability to combine the benefits of non-volatile memory with the speed and convenience of random access memory (RAM).

Packaging/Quantity

The DS1746WP-120+ is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

• Memory Size: 16 kilobits (2 kilobytes)
• Supply Voltage: 4.5V to 5.5V
• Access Time: 120 nanoseconds
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 10 years

Detailed Pin Configuration

The DS1746WP-120+ features a total of 28 pins, each serving a specific function. Here is a detailed pin configuration:

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 inputs/outputs
8. DS - Data Strobe
9. RST - Reset
10. NC - No Connection

Functional Features

• Non-volatile data storage: The DS1746WP-120+ retains data even when power is lost, ensuring data integrity.
• High-speed operation: It offers fast read and write access times, allowing for efficient data processing.
• Easy integration: The device can be easily integrated into existing systems due to its standard pin configuration and interface.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention during power loss.
• High-speed operation allows for quick data access and manipulation.
• Low power consumption makes it suitable for battery-powered applications.
• Easy integration into existing systems.

Disadvantages

• Limited memory size (16 kilobits) may not be sufficient for certain applications requiring larger storage capacity.
• Relatively higher cost compared to traditional RAM.

Working Principles

The DS1746WP-120+ combines the functionality of a non-volatile memory chip with that of a static RAM. It utilizes a combination of volatile and non-volatile elements to achieve high-speed read/write operations while retaining data during power loss. This is made possible through the use of a built-in energy source, such as a small battery or supercapacitor, which provides backup power to the non-volatile memory cells.

Detailed Application Field Plans

The DS1746WP-120+ finds application in various fields, including but not limited to:

1. Industrial automation: Used for storing critical data in programmable logic controllers (PLCs) and industrial control systems.
2. Automotive electronics: Employed in automotive systems for data logging, event tracking, and fault diagnosis.
3. Medical devices: Utilized in medical equipment for storing patient data, calibration settings, and event logs.
4. Communication systems: Integrated into networking devices for storing configuration data and firmware updates.

Detailed and Complete Alternative Models

1. DS1746WP-120: Similar to the DS1746WP-120+, but with a different operating temperature range (-20°C to +70°C).
2. DS1746W-120+: A variant with the same specifications as the DS1746WP-120+, but in a surface-mount package (SOIC).

These alternative models provide similar functionality and can be considered as alternatives based on specific application requirements.

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