DS1747W-120IND

Product Overview

Category

The DS1747W-120IND belongs to the category of non-volatile static RAM (NVSRAM) integrated circuits.

Use

This product is commonly used in applications that require both non-volatile storage and random access memory capabilities.

Characteristics

• Non-volatile: The DS1747W-120IND retains data even when power is removed.
• Static RAM: Provides fast read and write access times.
• Integrated Circuit: Compact and easily integrated into electronic systems.

Package

The DS1747W-120IND is available in a standard 28-pin DIP (Dual Inline Package).

Essence

The essence of the DS1747W-120IND lies in its ability to combine the benefits of non-volatile storage with the speed and versatility of static RAM.

Packaging/Quantity

The DS1747W-120IND is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 128 kilobits (16 kilobytes)
• Access Time: 120 nanoseconds
• Data Retention: Over 10 years

Detailed Pin Configuration

The DS1747W-120IND features a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. Chip Enable (CE)
2. Output Enable (OE)
3. Write Enable (WE)
4. Address Inputs (A0-A13)
5. Data Inputs/Outputs (DQ0-DQ7)
6. Ground (GND)
7. Vcc (Power Supply)

Functional Features

• Non-volatile Storage: The DS1747W-120IND can retain data even when power is removed, ensuring data integrity.
• Random Access Memory: Provides fast read and write access times, making it suitable for real-time applications.
• Battery Backup: The integrated battery backup circuitry ensures data retention during power outages.

Advantages and Disadvantages

Advantages

• Non-volatile storage eliminates the need for external memory backup.
• Fast access times enable efficient data retrieval and manipulation.
• Compact size allows for easy integration into various electronic systems.

Disadvantages

• Limited memory size compared to other storage options.
• Relatively higher cost compared to traditional RAM.

Working Principles

The DS1747W-120IND utilizes a combination of volatile and non-volatile memory technologies. It employs static RAM cells for fast read and write operations, while also incorporating non-volatile elements to retain data during power loss. This is achieved through the use of an integrated battery backup circuit that powers the non-volatile memory components.

Detailed Application Field Plans

The DS1747W-120IND finds application in various fields, including:

1. Industrial Automation: Used for storing critical system parameters and configuration data.
2. Automotive Electronics: Enables quick and reliable access to vehicle settings and diagnostics.
3. Medical Devices: Stores patient data and device settings for seamless operation.

Detailed and Complete Alternative Models

1. DS1234W-120IND: Similar to the DS1747W-120IND, but with a larger memory size of 256 kilobits.
2. DS1765W-120IND: Offers the same functionality as the DS1747W-120IND, but with faster access times of 90 nanoseconds.

(Note: The above alternative models are provided for illustrative purposes and may not reflect actual products available in the market.)

In conclusion, the DS1747W-120IND is a non-volatile static RAM integrated circuit that combines the benefits of non-volatile storage with the speed and versatility of static RAM. With its compact size, fast access times, and ability to retain data during power loss, it finds application in various industries where reliable and efficient memory solutions are required.